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',
  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: 'labels',
  badges: 'badges',
  card_members: 'members'
}

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

Constructor Details

This class inherits a constructor from Trello::BasicData

Instance Attribute Details

#badges ⇒ Hash (readonly)

Returns:



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#board_id ⇒ String

Returns A 24-character hex string.

Returns:

  • (String) —

    A 24-character hex string



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#card_labels ⇒ Array<Hash>

Returns:



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#card_members ⇒ Object (readonly)

Returns:

  • (Object) 


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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#closed ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#cover_image_id ⇒ String

Returns A 24-character hex string.

Returns:

  • (String) —

    A 24-character hex string



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#desc ⇒ String

Returns:



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#due ⇒ Datetime

Returns:

  • (Datetime) 


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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#id ⇒ String (readonly)

Returns:



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#last_activity_date ⇒ Dateime (readonly)

Returns:

  • (Dateime) 


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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#list_id ⇒ String

Returns A 24-character hex string.

Returns:

  • (String) —

    A 24-character hex string



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#member_ids ⇒ Array<String>

Returns An Array of 24-character hex strings.

Returns:

  • (Array<String>) —

    An Array of 24-character hex strings



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#name ⇒ String

Returns:



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#pos ⇒ Float

Returns:

  • (Float) 


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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#short_id ⇒ Fixnum (readonly)

Returns:

  • (Fixnum) 


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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#short_url ⇒ String (readonly)

Returns:



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

#url ⇒ String (readonly)

Returns:



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# File 'lib/trello/card.rb', line 38

class Card < BasicData
  register_attributes :id, :short_id, :name, :desc, :due, :closed, :url, :short_url,
    :board_id, :member_ids, :list_id, :pos, :last_activity_date, :card_labels,
    :cover_image_id, :badges, :card_members,
    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',
    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: 'labels',
    badges: 'badges',
    card_members: 'members'
  }

  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.
    #
    # @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"`.
    #
    # @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],
        'labels' => options[:card_labels],
        'due' => options[:due],
        'pos' => options[:pos]
      )
    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] :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 [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
  #
  # @return [Trello::Card] self
  def update_fields(fields)
    attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
    attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
    attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
    attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
    attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
    attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
    attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
    attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
    attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
    attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
    attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
    attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
    attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
    attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
    attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
    attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
    attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
    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

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

    client.post("/cards", {
      name:   name,
      desc:   desc,
      idList: list_id,
      idMembers: member_ids,
      labels: card_labels,
      pos: pos
    }).json_into(self)
  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

  # 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

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

  # Label colours
  def label_colours
    %w{green yellow orange red purple blue sky lime pink black}
  end
  
  # Add a label
  def add_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist."
    end
    client.post("/cards/#{id}/labels", { value: colour })
  end

  # Remove a label
  def remove_label(colour)
    unless label_colours.include? colour
      errors.add(:label, "colour '#{colour}' does not exist")
      return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
    end
    client.delete("/cards/#{id}/labels/#{colour}")
  end

  # Add an attachment to this card
  def add_attachment(attachment, name='')
    if attachment.is_a? File
      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 = client.get("/cards/#{id}/attachments").json_into(Attachment)
    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
end

Class Method Details

.create(options) ⇒ Trello::Card

Create a new card and save it on Trello.

Parameters:

  • options (Hash) —

    # @option options [String] :name The name of the new card.

Options Hash (options):

  • :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”`.

Returns:

Raises:



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# File 'lib/trello/card.rb', line 97

def create(options)
  client.create(:card,
    'name' => options[:name],
    'idList' => options[:list_id],
    'desc'   => options[:desc],
    'idMembers' => options[:member_ids],
    'labels' => options[:card_labels],
    'due' => options[:due],
    'pos' => options[:pos]
  )
end

.find(id, params = {}) ⇒ Trello::Card

Find a specific card by its id.

Returns:

Raises:



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# File 'lib/trello/card.rb', line 75

def find(id, params = {})
  client.find(:card, id, params)
end

Instance Method Details

#add_attachment(attachment, name = '') ⇒ Object

Add an attachment to this card



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# File 'lib/trello/card.rb', line 347

def add_attachment(attachment, name='')
  if attachment.is_a? File
    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



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# File 'lib/trello/card.rb', line 275

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

#add_comment(text) ⇒ Object

Add a comment with the supplied text.



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# File 'lib/trello/card.rb', line 270

def add_comment(text)
  client.post("/cards/#{id}/actions/comments", text: text)
end

#add_label(colour) ⇒ Object

Add a label



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# File 'lib/trello/card.rb', line 329

def add_label(colour)
  unless label_colours.include? colour
    errors.add(:label, "colour '#{colour}' does not exist")
    return Trello.logger.warn "The label colour '#{colour}' does not exist."
  end
  client.post("/cards/#{id}/labels", { value: colour })
end

#add_member(member) ⇒ Object

Add a member to this card



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# File 'lib/trello/card.rb', line 306

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

#attachments ⇒ Object

Retrieve a list of attachments



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# File 'lib/trello/card.rb', line 362

def attachments
  attachments = client.get("/cards/#{id}/attachments").json_into(Attachment)
  MultiAssociation.new(self, attachments).proxy
end

#check_item_states ⇒ Object 



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# File 'lib/trello/card.rb', line 175

def check_item_states
  states = client.get("/cards/#{self.id}/checkItemStates").json_into(CheckItemState)
  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.



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# File 'lib/trello/card.rb', line 255

def close
  self.closed = true
end

#close! ⇒ Object 



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# File 'lib/trello/card.rb', line 259

def close!
  close
  save
end

#closed? ⇒ Boolean

Check if the card is not active anymore.

Returns:

  • (Boolean) 


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# File 'lib/trello/card.rb', line 242

def closed?
  closed
end

#create_new_checklist(name) ⇒ Object

create a new checklist and add it to this card



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# File 'lib/trello/card.rb', line 282

def create_new_checklist(name)
  client.post("/cards/#{id}/checklists", { name: name })
end

#delete ⇒ String

Delete this card

Returns:

  • (String) —

    the JSON response from the Trello API



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# File 'lib/trello/card.rb', line 237

def delete
  client.delete("/cards/#{id}")
end

#label_colours ⇒ Object

Label colours



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# File 'lib/trello/card.rb', line 324

def label_colours
  %w{green yellow orange red purple blue sky lime pink black}
end

#labels ⇒ Object

Retrieve a list of labels



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# File 'lib/trello/card.rb', line 318

def labels
  labels = client.get("/cards/#{id}/labels").json_into(Label)
  MultiAssociation.new(self, labels).proxy
end

#members ⇒ Array<Trello::Member>

Returns a list of members who are assigned to this card.

Returns:



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# File 'lib/trello/card.rb', line 187

def members
  members = member_ids.map do |member_id|
    client.get("/members/#{member_id}").json_into(Member)
  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)



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# File 'lib/trello/card.rb', line 297

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



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# File 'lib/trello/card.rb', line 287

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

#remove_attachment(attachment) ⇒ Object

Remove an attachment from this card



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# File 'lib/trello/card.rb', line 368

def remove_attachment(attachment)
  client.delete("/cards/#{id}/attachments/#{attachment.id}")
end

#remove_label(colour) ⇒ Object

Remove a label



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# File 'lib/trello/card.rb', line 338

def remove_label(colour)
  unless label_colours.include? colour
    errors.add(:label, "colour '#{colour}' does not exist")
    return Trello.logger.warn "The label colour '#{colour}' does not exist." unless label_colours.include? colour
  end
  client.delete("/cards/#{id}/labels/#{colour}")
end

#remove_member(member) ⇒ Object

Remove a member from this card



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# File 'lib/trello/card.rb', line 313

def remove_member(member)
  client.delete("/cards/#{id}/members/#{member.id}")
end

#request_prefix ⇒ Object

:nodoc:



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# File 'lib/trello/card.rb', line 373

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:



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# File 'lib/trello/card.rb', line 200

def save
  # If we have an id, just update our fields.
  return update! if id

  client.post("/cards", {
    name:   name,
    desc:   desc,
    idList: list_id,
    idMembers: member_ids,
    labels: card_labels,
    pos: pos
  }).json_into(self)
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:



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# File 'lib/trello/card.rb', line 224

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`.

  • :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”`.

  • :card_labels (String) —

    A comma-separated list of objectIds (24-character hex strings).

  • :cover_image_id (Object)
  • :badges (Object)
  • :card_members (Object)

Returns:



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# File 'lib/trello/card.rb', line 142

def update_fields(fields)
  attributes[:id]                 = fields[SYMBOL_TO_STRING[:id]]
  attributes[:short_id]           = fields[SYMBOL_TO_STRING[:short_id]]
  attributes[:name]               = fields[SYMBOL_TO_STRING[:name]]
  attributes[:desc]               = fields[SYMBOL_TO_STRING[:desc]]
  attributes[:due]                = Time.iso8601(fields[SYMBOL_TO_STRING[:due]]) rescue nil
  attributes[:closed]             = fields[SYMBOL_TO_STRING[:closed]]
  attributes[:url]                = fields[SYMBOL_TO_STRING[:url]]
  attributes[:short_url]          = fields[SYMBOL_TO_STRING[:short_url]]
  attributes[:board_id]           = fields[SYMBOL_TO_STRING[:board_id]]
  attributes[:member_ids]         = fields[SYMBOL_TO_STRING[:member_ids]]
  attributes[:list_id]            = fields[SYMBOL_TO_STRING[:list_id]]
  attributes[:pos]                = fields[SYMBOL_TO_STRING[:pos]]
  attributes[:card_labels]        = fields[SYMBOL_TO_STRING[:card_labels]]
  attributes[:last_activity_date] = Time.iso8601(fields[SYMBOL_TO_STRING[:last_activity_date]]) rescue nil
  attributes[:cover_image_id]     = fields[SYMBOL_TO_STRING[:cover_image_id]]
  attributes[:badges]             = fields[SYMBOL_TO_STRING[:badges]]
  attributes[:card_members]       = fields[SYMBOL_TO_STRING[:card_members]]
  self
end

#valid? ⇒ Boolean

Is the record valid?

Returns:

  • (Boolean) 


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# File 'lib/trello/card.rb', line 265

def valid?
  name && list_id
end