Class: Trello::Card

Inherits:
BasicData show all
Includes:
HasActions
Defined in:
lib/trello/card.rb

Overview

A Card is a container that can house checklists and comments; it resides inside a List.

Constant Summary collapse

SYMBOL_TO_STRING = 
{
  id: 'id',
  short_id: 'idShort',
  name: 'name',
  desc: 'desc',
  due: 'due',
  due_complete: 'dueComplete',
  closed: 'closed',
  url: 'url',
  short_url: 'shortUrl',
  board_id: 'idBoard',
  member_ids: 'idMembers',
  cover_image_id: 'idAttachmentCover',
  list_id: 'idList',
  pos: 'pos',
  last_activity_date: 'dateLastActivity',
  card_labels: 'idLabels',
  labels: 'labels',
  badges: 'badges',
  card_members: 'members',
  source_card_id: "idCardSource",
  source_card_properties: "keepFromSource"
}

Instance Attribute Summary collapse

Attributes inherited from BasicData

#client

Class Method Summary collapse

Instance Method Summary collapse

Methods included from HasActions

#actions

Methods inherited from BasicData

#==, client, #hash, #initialize, many, one, parse, parse_many, path_name, #refresh!, register_attributes, save

Methods included from JsonUtils

included

Constructor Details

This class inherits a constructor from Trello::BasicData

Instance Attribute Details

#badges ⇒ Hash (readonly)

Returns:



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#board_id ⇒ String

Returns A 24-character hex string.

Returns:

  • (String) —

    A 24-character hex string



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#card_labels ⇒ Array<Hash>

Returns:



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#card_members ⇒ Object (readonly)

Returns:

  • (Object) 


45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#closed ⇒ Boolean

Returns:

  • (Boolean) 


45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#cover_image_id ⇒ String

Returns A 24-character hex string.

Returns:

  • (String) —

    A 24-character hex string



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#desc ⇒ String

Returns:



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#due ⇒ Datetime

Returns:

  • (Datetime) 


45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#id ⇒ String (readonly)

Returns:



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#labels ⇒ Array<Trello::Labels>

Returns:

  • (Array<Trello::Labels>) 


45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#last_activity_date ⇒ Dateime (readonly)

Returns:

  • (Dateime) 


45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#list_id ⇒ String

Returns A 24-character hex string.

Returns:

  • (String) —

    A 24-character hex string



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#member_ids ⇒ Array<String>

Returns An Array of 24-character hex strings.

Returns:

  • (Array<String>) —

    An Array of 24-character hex strings



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#name ⇒ String

Returns:



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#pos ⇒ Float

Returns:

  • (Float) 


45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#short_id ⇒ Fixnum (readonly)

Returns:

  • (Fixnum) 


45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#short_url ⇒ String (readonly)

Returns:



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#source_card_id ⇒ String

Returns A 24-character hex string.

Returns:

  • (String) —

    A 24-character hex string



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#source_card_properties ⇒ Array<String>

Returns Array of strings.

Returns:



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

#url ⇒ String (readonly)

Returns:



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/trello/card.rb', line 45

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :due_complete, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :labels, :card_labels,
    :cover_image_id, :badges, :card_members, :source_card_id, :source_card_properties,
    readonly: [ :id, :short_id, :url, :short_url, :last_activity_date, :badges, :card_members ]
  validates_presence_of :id, :name, :list_id
  validates_length_of   :name, in: 1..16384
  validates_length_of   :desc, in: 0..16384

  include HasActions

  SYMBOL_TO_STRING = {
    id: 'id',
    short_id: 'idShort',
    name: 'name',
    desc: 'desc',
    due: 'due',
    due_complete: 'dueComplete',
    closed: 'closed',
    url: 'url',
    short_url: 'shortUrl',
    board_id: 'idBoard',
    member_ids: 'idMembers',
    cover_image_id: 'idAttachmentCover',
    list_id: 'idList',
    pos: 'pos',
    last_activity_date: 'dateLastActivity',
    card_labels: 'idLabels',
    labels: 'labels',
    badges: 'badges',
    card_members: 'members',
    source_card_id: "idCardSource",
    source_card_properties: "keepFromSource"
  }

  class << self
    # Find a specific card by its id.
    #
    # @raise [Trello::Error] if the card could not be found.
    #
    # @return [Trello::Card]
    def find(id, params = {})
      client.find(:card, id, params)
    end

    # Create a new card and save it on Trello.
    #
    # If using source_card_id to duplicate a card, make sure to save
    # the source card to Trello before calling this method to assure
    # the correct data is used in the duplication.
    #
    # @param [Hash] options
    # @option options [String] :name The name of the new card.
    # @option options [String] :list_id ID of the list that the card should
    #     be added to.
    # @option options [String] :desc A string with a
    #     length from 0 to 16384.
    # @option options [String] :member_ids A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [String] :card_labels A comma-separated list of
    #     objectIds (24-character hex strings).
    # @option options [Date] :due A date, or `nil`.
    # @option options [String] :pos A position. `"top"`, `"bottom"`, or a
    #     positive number. Defaults to `"bottom"`.
    # @option options [String] :source_card_id ID of the card to copy
    # @option options [String] :source_card_properties A single, or array of,
    #     string properties to copy from source card.
    #     `"all"`, `"checklists"`, `"due"`, `"members"`, or `nil`.
    #     Defaults to `"all"`.
    #
    # @raise [Trello::Error] if the card could not be created.
    #
    # @return [Trello::Card]
    def create(options)
      client.create(:card,
        'name' => options[:name],
        'idList' => options[:list_id],
        'desc'   => options[:desc],
        'idMembers' => options[:member_ids],
        'idLabels' => options[:card_labels],
        'due' => options[:due],
        'due_complete' => options[:due_complete] || false,
        'pos' => options[:pos],
        'idCardSource' => options[:source_card_id],
        'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
      )
    end
  end

  # Update the fields of a card.
  #
  # Supply a hash of string keyed data retrieved from the Trello API representing
  # a card.
  #
  # Note that this this method does not save anything new to the Trello API,
  # it just assigns the input attributes to your local object. If you use
  # this method to assign attributes, call `save` or `update!` afterwards if
  # you want to persist your changes to Trello.
  #
  # @param [Hash] fields
  # @option fields [String] :id
  # @option fields [String] :short_id
  # @option fields [String] :name The new name of the card.
  # @option fields [String] :desc A string with a length from 0 to
  #     16384.
  # @option fields [Date] :due A date, or `nil`.
  # @option fields [Boolean] :due_complete
  # @option fields [Boolean] :closed
  # @option fields [String] :url
  # @option fields [String] :short_url
  # @option fields [String] :board_id
  # @option fields [String] :member_ids A comma-separated list of objectIds
  #     (24-character hex strings).
  # @option fields [String] :pos A position. `"top"`, `"bottom"`, or a
  #     positive number. Defaults to `"bottom"`.
  # @option fields [Array]  :labels An Array of Trello::Label objects
  #     derived from the JSON response
  # @option fields [String] :card_labels A comma-separated list of
  #     objectIds (24-character hex strings).
  # @option fields [Object] :cover_image_id
  # @option fields [Object] :badges
  # @option fields [Object] :card_members
  # @option fields [String] :source_card_id
  # @option fields [Array]  :source_card_properties
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
    attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
    attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
    attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
    attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
    attributes[:due]                    = fields[:due] if fields.has_key?(:due)
    attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
    attributes[:due_complete]           ||= false
    attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
    attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
    attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
    attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
    attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
    attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
    attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
    attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
    attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
    attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
    attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
    attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
    attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
    attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
    attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
    self
  end

  # Returns a reference to the board this card is part of.
  one :board, path: :boards, using: :board_id
  # Returns a reference to the cover image attachment
  one :cover_image, path: :attachments, using: :cover_image_id

  # Returns a list of checklists associated with the card.
  #
  # The options hash may have a filter key which can have its value set as any
  # of the following values:
  #    :filter => [ :none, :all ] # default :all
  many :checklists, filter: :all

  # Returns a list of plugins associated with the card
  many :plugin_data, path: "pluginData"

  # List of custom field values on the card, only the ones that have been set
  many :custom_field_items, path: 'customFieldItems'

  def check_item_states
    states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
    MultiAssociation.new(self, states).proxy
  end

  # Returns a reference to the list this card is currently in.
  one :list, path: :lists, using: :list_id

  # Returns a list of members who are assigned to this card.
  #
  # @return [Array<Trello::Member>]
  def members
    members = member_ids.map do |member_id|
      Member.from_response client.get("/members/#{member_id}")
    end
    MultiAssociation.new(self, members).proxy
  end

  # Returns a list of members who have upvoted this card
  # NOTE: this fetches a list each time it's called to avoid case where
  # card is voted (or vote is removed) after card is fetched. Optimizing
  # accuracy over network performance
  #
  # @return [Array<Trello::Member>]
  def voters
    Member.from_response client.get("/cards/#{id}/membersVoted")
  end

  # Saves a record.
  #
  # @raise [Trello::Error] if the card could not be saved
  #
  # @return [String] The JSON representation of the saved card returned by
  #     the Trello API.
  def save
    # If we have an id, just update our fields.
    return update! if id

    from_response client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      idLabels: card_labels,
      pos: pos,
      due: due,
      dueComplete: due_complete,
      idCardSource: source_card_id,
      keepFromSource: source_card_properties
    })
  end

  # Update an existing record.
  #
  # Warning: this updates all fields using values already in memory. If
  # an external resource has updated these fields, you should refresh!
  # this object before making your changes, and before updating the record.
  #
  # @raise [Trello::Error] if the card could not be updated.
  #
  # @return [String] The JSON representation of the updated card returned by
  #     the Trello API.
  def update!
    @previously_changed = changes
    # extract only new values to build payload
    payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
    @changed_attributes.clear

    client.put("/cards/#{id}", payload)
  end

  # Delete this card
  #
  # @return [String] the JSON response from the Trello API
  def delete
    client.delete("/cards/#{id}")
  end

  # Check if the card is not active anymore.
  def closed?
    closed
  end

  # Close the card.
  #
  # This only marks your local copy card as closed. Use `close!` if you
  # want to close the card and persist the change to the Trello API.
  #
  # @return [Boolean] always returns true
  #
  # @return [String] The JSON representation of the closed card returned by
  #     the Trello API.
  def close
    self.closed = true
  end

  def close!
    close
    save
  end

  # Is the record valid?
  def valid?
    name && list_id
  end

  # Add a comment with the supplied text.
  def add_comment(text)
    client.post("/cards/#{id}/actions/comments", text: text)
  end

  # Add a checklist to this card
  def add_checklist(checklist)
    client.post("/cards/#{id}/checklists", {
      value: checklist.id
    })
  end

  # create a new checklist and add it to this card
  def create_new_checklist(name)
    client.post("/cards/#{id}/checklists", { name: name })
  end

  # Move this card to the given list
  def move_to_list(list)
    list_number = list.is_a?(String) ? list : list.id
    unless list_id == list_number
      client.put("/cards/#{id}/idList", {
        value: list_number
      })
    end
  end

  # Moves this card to the given list no matter which board it is on
  def move_to_list_on_any_board(list_id)
    list = List.find(list_id)
    if board.id == list.board_id
      move_to_list(list_id)
    else
      move_to_board(Board.find(list.board_id), list)
    end
  end

  # Move this card to the given board (and optional list on this board)
  def move_to_board(new_board, new_list = nil)
    unless board_id == new_board.id
      payload = { value: new_board.id }
      payload[:idList] = new_list.id if new_list
      client.put("/cards/#{id}/idBoard", payload)
    end
  end

  # Add a member to this card
  def add_member(member)
    client.post("/cards/#{id}/members", {
      value: member.id
    })
  end

  # Remove a member from this card
  def remove_member(member)
    client.delete("/cards/#{id}/members/#{member.id}")
  end

  # Current authenticated user upvotes a card
  def upvote
    begin
      client.post("/cards/#{id}/membersVoted", {
        value: me.id
      })
    rescue Trello::Error => e
      fail e unless e.message =~ /has already voted/i
    end

    self
  end

  # Recind upvote. Noop if authenticated user hasn't previously voted
  def remove_upvote
    begin
      client.delete("/cards/#{id}/membersVoted/#{me.id}")
    rescue Trello::Error => e
      fail e unless e.message =~ /has not voted/i
    end

    self
  end

  # Add a label
  def add_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.post("/cards/#{id}/idLabels", {value: label.id})
  end

  # Remove a label
  def remove_label(label)
    unless label.valid?
      errors.add(:label, "is not valid.")
      return Trello.logger.warn "Label is not valid." unless label.valid?
    end
    client.delete("/cards/#{id}/idLabels/#{label.id}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name = '')
    # Is it a file object or a string (url)?
    if attachment.respond_to?(:path) && attachment.respond_to?(:read)
      client.post("/cards/#{id}/attachments", {
          file: attachment,
          name: name
        })
    else
      client.post("/cards/#{id}/attachments", {
          url: attachment,
          name: name
        })
    end
  end

  # Retrieve a list of attachments
  def attachments
    attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
    MultiAssociation.new(self, attachments).proxy
  end

  # Remove an attachment from this card
  def remove_attachment(attachment)
    client.delete("/cards/#{id}/attachments/#{attachment.id}")
  end

  # :nodoc:
  def request_prefix
    "/cards/#{id}"
  end

  # Retrieve a list of comments
  def comments
    comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
  end

  # Find the creation date
  def created_at
    @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
  end

  private

  def me
    @me ||= Member.find(:me)
  end
end

Class Method Details

.create(options) ⇒ Trello::Card

Create a new card and save it on Trello.

If using source_card_id to duplicate a card, make sure to save the source card to Trello before calling this method to assure the correct data is used in the duplication.

Parameters:

Options Hash (options):

  • :name (String) —

    The name of the new card.

  • :list_id (String) —

    ID of the list that the card should be added to.

  • :desc (String) —

    A string with a length from 0 to 16384.

  • :member_ids (String) —

    A comma-separated list of objectIds (24-character hex strings).

  • :card_labels (String) —

    A comma-separated list of objectIds (24-character hex strings).

  • :due (Date) —

    A date, or ‘nil`.

  • :pos (String) —

    A position. ‘“top”`, `“bottom”`, or a positive number. Defaults to `“bottom”`.

  • :source_card_id (String) —

    ID of the card to copy

  • :source_card_properties (String) —

    A single, or array of, string properties to copy from source card. ‘“all”`, `“checklists”`, `“due”`, `“members”`, or `nil`. Defaults to `“all”`.

Returns:

Raises:



118
119
120
121
122
123
124
125
126
127
128
129
130
131
 
# File 'lib/trello/card.rb', line 118

def create(options)
  client.create(:card,
    'name' => options[:name],
    'idList' => options[:list_id],
    'desc'   => options[:desc],
    'idMembers' => options[:member_ids],
    'idLabels' => options[:card_labels],
    'due' => options[:due],
    'due_complete' => options[:due_complete] || false,
    'pos' => options[:pos],
    'idCardSource' => options[:source_card_id],
    'keepFromSource' => options.key?(:source_card_properties) ? options[:source_card_properties] : 'all'
  )
end

.find(id, params = {}) ⇒ Trello::Card

Find a specific card by its id.

Returns:

Raises:



86
87
88
 
# File 'lib/trello/card.rb', line 86

def find(id, params = {})
  client.find(:card, id, params)
end

Instance Method Details

#add_attachment(attachment, name = '') ⇒ Object

Add an attachment to this card



423
424
425
426
427
428
429
430
431
432
433
434
435
436
 
# File 'lib/trello/card.rb', line 423

def add_attachment(attachment, name = '')
  # Is it a file object or a string (url)?
  if attachment.respond_to?(:path) && attachment.respond_to?(:read)
    client.post("/cards/#{id}/attachments", {
        file: attachment,
        name: name
      })
  else
    client.post("/cards/#{id}/attachments", {
        url: attachment,
        name: name
      })
  end
end

#add_checklist(checklist) ⇒ Object

Add a checklist to this card



328
329
330
331
332
 
# File 'lib/trello/card.rb', line 328

def add_checklist(checklist)
  client.post("/cards/#{id}/checklists", {
    value: checklist.id
  })
end

#add_comment(text) ⇒ Object

Add a comment with the supplied text.



323
324
325
 
# File 'lib/trello/card.rb', line 323

def add_comment(text)
  client.post("/cards/#{id}/actions/comments", text: text)
end

#add_label(label) ⇒ Object

Add a label



405
406
407
408
409
410
411
 
# File 'lib/trello/card.rb', line 405

def add_label(label)
  unless label.valid?
    errors.add(:label, "is not valid.")
    return Trello.logger.warn "Label is not valid." unless label.valid?
  end
  client.post("/cards/#{id}/idLabels", {value: label.id})
end

#add_member(member) ⇒ Object

Add a member to this card



369
370
371
372
373
 
# File 'lib/trello/card.rb', line 369

def add_member(member)
  client.post("/cards/#{id}/members", {
    value: member.id
  })
end

#attachments ⇒ Object

Retrieve a list of attachments



439
440
441
442
 
# File 'lib/trello/card.rb', line 439

def attachments
  attachments = Attachment.from_response client.get("/cards/#{id}/attachments")
  MultiAssociation.new(self, attachments).proxy
end

#check_item_states ⇒ Object 



216
217
218
219
 
# File 'lib/trello/card.rb', line 216

def check_item_states
  states = CheckItemState.from_response client.get("/cards/#{self.id}/checkItemStates")
  MultiAssociation.new(self, states).proxy
end

#close ⇒ Boolean, String

Close the card.

This only marks your local copy card as closed. Use ‘close!` if you want to close the card and persist the change to the Trello API.

Returns:

  • (Boolean) —

    always returns true

  • (String) —

    The JSON representation of the closed card returned by the Trello API.



308
309
310
 
# File 'lib/trello/card.rb', line 308

def close
  self.closed = true
end

#close! ⇒ Object 



312
313
314
315
 
# File 'lib/trello/card.rb', line 312

def close!
  close
  save
end

#closed? ⇒ Boolean

Check if the card is not active anymore.

Returns:

  • (Boolean) 


295
296
297
 
# File 'lib/trello/card.rb', line 295

def closed?
  closed
end

#comments ⇒ Object

Retrieve a list of comments



455
456
457
 
# File 'lib/trello/card.rb', line 455

def comments
  comments = Comment.from_response client.get("/cards/#{id}/actions", filter: "commentCard")
end

#create_new_checklist(name) ⇒ Object

create a new checklist and add it to this card



335
336
337
 
# File 'lib/trello/card.rb', line 335

def create_new_checklist(name)
  client.post("/cards/#{id}/checklists", { name: name })
end

#created_at ⇒ Object

Find the creation date



460
461
462
 
# File 'lib/trello/card.rb', line 460

def created_at
  @created_at ||= Time.at(id[0..7].to_i(16)) rescue nil
end

#delete ⇒ String

Delete this card

Returns:

  • (String) —

    the JSON response from the Trello API



290
291
292
 
# File 'lib/trello/card.rb', line 290

def delete
  client.delete("/cards/#{id}")
end

#members ⇒ Array<Trello::Member>

Returns a list of members who are assigned to this card.

Returns:



227
228
229
230
231
232
 
# File 'lib/trello/card.rb', line 227

def members
  members = member_ids.map do |member_id|
    Member.from_response client.get("/members/#{member_id}")
  end
  MultiAssociation.new(self, members).proxy
end

#move_to_board(new_board, new_list = nil) ⇒ Object

Move this card to the given board (and optional list on this board)



360
361
362
363
364
365
366
 
# File 'lib/trello/card.rb', line 360

def move_to_board(new_board, new_list = nil)
  unless board_id == new_board.id
    payload = { value: new_board.id }
    payload[:idList] = new_list.id if new_list
    client.put("/cards/#{id}/idBoard", payload)
  end
end

#move_to_list(list) ⇒ Object

Move this card to the given list



340
341
342
343
344
345
346
347
 
# File 'lib/trello/card.rb', line 340

def move_to_list(list)
  list_number = list.is_a?(String) ? list : list.id
  unless list_id == list_number
    client.put("/cards/#{id}/idList", {
      value: list_number
    })
  end
end

#move_to_list_on_any_board(list_id) ⇒ Object

Moves this card to the given list no matter which board it is on



350
351
352
353
354
355
356
357
 
# File 'lib/trello/card.rb', line 350

def move_to_list_on_any_board(list_id)
  list = List.find(list_id)
  if board.id == list.board_id
    move_to_list(list_id)
  else
    move_to_board(Board.find(list.board_id), list)
  end
end

#remove_attachment(attachment) ⇒ Object

Remove an attachment from this card



445
446
447
 
# File 'lib/trello/card.rb', line 445

def remove_attachment(attachment)
  client.delete("/cards/#{id}/attachments/#{attachment.id}")
end

#remove_label(label) ⇒ Object

Remove a label



414
415
416
417
418
419
420
 
# File 'lib/trello/card.rb', line 414

def remove_label(label)
  unless label.valid?
    errors.add(:label, "is not valid.")
    return Trello.logger.warn "Label is not valid." unless label.valid?
  end
  client.delete("/cards/#{id}/idLabels/#{label.id}")
end

#remove_member(member) ⇒ Object

Remove a member from this card



376
377
378
 
# File 'lib/trello/card.rb', line 376

def remove_member(member)
  client.delete("/cards/#{id}/members/#{member.id}")
end

#remove_upvote ⇒ Object

Recind upvote. Noop if authenticated user hasn’t previously voted



394
395
396
397
398
399
400
401
402
 
# File 'lib/trello/card.rb', line 394

def remove_upvote
  begin
    client.delete("/cards/#{id}/membersVoted/#{me.id}")
  rescue Trello::Error => e
    fail e unless e.message =~ /has not voted/i
  end

  self
end

#request_prefix ⇒ Object

:nodoc:



450
451
452
 
# File 'lib/trello/card.rb', line 450

def request_prefix
  "/cards/#{id}"
end

#save ⇒ String

Saves a record.

Returns:

  • (String) —

    The JSON representation of the saved card returned by the Trello API.

Raises:



250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
 
# File 'lib/trello/card.rb', line 250

def save
  # If we have an id, just update our fields.
  return update! if id

  from_response client.post("/cards", {
    name:   name,
    desc:   desc,
    idList: list_id,
    idMembers: member_ids,
    idLabels: card_labels,
    pos: pos,
    due: due,
    dueComplete: due_complete,
    idCardSource: source_card_id,
    keepFromSource: source_card_properties
  })
end

#update! ⇒ String

Update an existing record.

Warning: this updates all fields using values already in memory. If an external resource has updated these fields, you should refresh! this object before making your changes, and before updating the record.

Returns:

  • (String) —

    The JSON representation of the updated card returned by the Trello API.

Raises:



278
279
280
281
282
283
284
285
 
# File 'lib/trello/card.rb', line 278

def update!
  @previously_changed = changes
  # extract only new values to build payload
  payload = Hash[changes.map { |key, values| [SYMBOL_TO_STRING[key.to_sym].to_sym, values[1]] }]
  @changed_attributes.clear

  client.put("/cards/#{id}", payload)
end

#update_fields(fields) ⇒ Trello::Card

Update the fields of a card.

Supply a hash of string keyed data retrieved from the Trello API representing a card.

Note that this this method does not save anything new to the Trello API, it just assigns the input attributes to your local object. If you use this method to assign attributes, call ‘save` or `update!` afterwards if you want to persist your changes to Trello.

Parameters:

Options Hash (fields):

  • :id (String)
  • :short_id (String)
  • :name (String) —

    The new name of the card.

  • :desc (String) —

    A string with a length from 0 to 16384.

  • :due (Date) —

    A date, or ‘nil`.

  • :due_complete (Boolean)
  • :closed (Boolean)
  • :url (String)
  • :short_url (String)
  • :board_id (String)
  • :member_ids (String) —

    A comma-separated list of objectIds (24-character hex strings).

  • :pos (String) —

    A position. ‘“top”`, `“bottom”`, or a positive number. Defaults to `“bottom”`.

  • :labels (Array) —

    An Array of Trello::Label objects derived from the JSON response

  • :card_labels (String) —

    A comma-separated list of objectIds (24-character hex strings).

  • :cover_image_id (Object)
  • :badges (Object)
  • :card_members (Object)
  • :source_card_id (String)
  • :source_card_properties (Array)

Returns:



171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
 
# File 'lib/trello/card.rb', line 171

def update_fields(fields)
  attributes[:id]                     = fields[SYMBOL_TO_STRING[:id]] || attributes[:id]
  attributes[:short_id]               = fields[SYMBOL_TO_STRING[:short_id]] || attributes[:short_id]
  attributes[:name]                   = fields[SYMBOL_TO_STRING[:name]] || fields[:name] || attributes[:name]
  attributes[:desc]                   = fields[SYMBOL_TO_STRING[:desc]] || fields[:desc] || attributes[:desc]
  attributes[:due]                    = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:due])
  attributes[:due]                    = fields[:due] if fields.has_key?(:due)
  attributes[:due_complete]           = fields[SYMBOL_TO_STRING[:due_complete]] if fields.has_key?(SYMBOL_TO_STRING[:due_complete])
  attributes[:due_complete]           ||= false
  attributes[:closed]                 = fields[SYMBOL_TO_STRING[:closed]] if fields.has_key?(SYMBOL_TO_STRING[:closed])
  attributes[:url]                    = fields[SYMBOL_TO_STRING[:url]] || attributes[:url]
  attributes[:short_url]              = fields[SYMBOL_TO_STRING[:short_url]] || attributes[:short_url]
  attributes[:board_id]               = fields[SYMBOL_TO_STRING[:board_id]] || attributes[:board_id]
  attributes[:member_ids]             = fields[SYMBOL_TO_STRING[:member_ids]] || fields[:member_ids] || attributes[:member_ids]
  attributes[:list_id]                = fields[SYMBOL_TO_STRING[:list_id]] || fields[:list_id] || attributes[:list_id]
  attributes[:pos]                    = fields[SYMBOL_TO_STRING[:pos]] || fields[:pos] || attributes[:pos]
  attributes[:labels]                 = (fields[SYMBOL_TO_STRING[:labels]] || []).map { |lbl| Trello::Label.new(lbl) }.presence || attributes[:labels].presence || []
  attributes[:card_labels]            = fields[SYMBOL_TO_STRING[:card_labels]] || fields[:card_labels] || attributes[:card_labels]
  attributes[:last_activity_date]     = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil if fields.has_key?(SYMBOL_TO_STRING[:last_activity_date])
  attributes[:cover_image_id]         = fields[SYMBOL_TO_STRING[:cover_image_id]] || attributes[:cover_image_id]
  attributes[:badges]                 = fields[SYMBOL_TO_STRING[:badges]] || attributes[:badges]
  attributes[:card_members]           = fields[SYMBOL_TO_STRING[:card_members]] || attributes[:card_members]
  attributes[:source_card_id]         = fields[SYMBOL_TO_STRING[:source_card_id]] || fields[:source_card_id] || attributes[:source_card_id]
  attributes[:source_card_properties] = fields[SYMBOL_TO_STRING[:source_card_properties]] || fields[:source_card_properties] || attributes[:source_card_properties]
  self
end

#upvote ⇒ Object

Current authenticated user upvotes a card



381
382
383
384
385
386
387
388
389
390
391
 
# File 'lib/trello/card.rb', line 381

def upvote
  begin
    client.post("/cards/#{id}/membersVoted", {
      value: me.id
    })
  rescue Trello::Error => e
    fail e unless e.message =~ /has already voted/i
  end

  self
end

#valid? ⇒ Boolean

Is the record valid?

Returns:

  • (Boolean) 


318
319
320
 
# File 'lib/trello/card.rb', line 318

def valid?
  name && list_id
end

#voters ⇒ Array<Trello::Member>

Returns a list of members who have upvoted this card NOTE: this fetches a list each time it’s called to avoid case where card is voted (or vote is removed) after card is fetched. Optimizing accuracy over network performance

Returns:



240
241
242
 
# File 'lib/trello/card.rb', line 240

def voters
  Member.from_response client.get("/cards/#{id}/membersVoted")
end