Module: MongoMapper::EmbeddedDocument::InstanceMethods

Defined in:
lib/mongomapper/embedded_document.rb

Instance Method Summary collapse

Instance Method Details

#==(other) ⇒ Object



273
274
275
# File 'lib/mongomapper/embedded_document.rb', line 273

def ==(other)
  other.is_a?(self.class) && id == other.id
end

#[](name) ⇒ Object



264
265
266
# File 'lib/mongomapper/embedded_document.rb', line 264

def [](name)
  read_attribute(name)
end

#[]=(name, value) ⇒ Object



268
269
270
271
# File 'lib/mongomapper/embedded_document.rb', line 268

def []=(name, value)
  ensure_key_exists(name)
  write_attribute(name, value)
end

#attributesObject



220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
# File 'lib/mongomapper/embedded_document.rb', line 220

def attributes
  attrs = HashWithIndifferentAccess.new
  
  embedded_keys.each do |key|
    puts key.inspect
    attrs[key.name] = read_attribute(key.name).try(:attributes)
  end
  
  non_embedded_keys.each do |key|
    attrs[key.name] = read_attribute(key.name)
  end
  
  embedded_associations.each do |association|
    documents = instance_variable_get(association.ivar)
    next if documents.nil?
    attrs[association.name] = documents.collect { |doc| doc.attributes }
  end
  
  attrs
end

#attributes=(attrs) ⇒ Object



207
208
209
210
211
212
213
214
215
216
217
218
# File 'lib/mongomapper/embedded_document.rb', line 207

def attributes=(attrs)
  return if attrs.blank?
  attrs.each_pair do |name, value|
    writer_method = "#{name}="

    if respond_to?(writer_method)
      self.send(writer_method, value)
    else
      self[name.to_s] = value
    end
  end
end

#cloneObject



258
259
260
261
262
# File 'lib/mongomapper/embedded_document.rb', line 258

def clone
  clone_attributes = self.attributes
  clone_attributes.delete("_id")
  self.class.new(clone_attributes)
end

#idObject



277
278
279
# File 'lib/mongomapper/embedded_document.rb', line 277

def id
  read_attribute(:_id)
end

#id=(value) ⇒ Object



281
282
283
284
# File 'lib/mongomapper/embedded_document.rb', line 281

def id=(value)
  @using_custom_id = true
  write_attribute :_id, value
end

#initialize(attrs = {}) ⇒ Object



172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
# File 'lib/mongomapper/embedded_document.rb', line 172

def initialize(attrs={})
  unless attrs.nil?
    self.class.associations.each_pair do |name, association|
      if collection = attrs.delete(name)
        if association.many? && association.klass.embeddable?
          root_document = attrs[:_root_document] || self
          collection.each do |doc|
            doc[:_root_document] = root_document
          end
        end
        send("#{association.name}=", collection)
      end
    end

    self.attributes = attrs
    
    if respond_to?(:_type=) && self['_type'].blank?
      self._type = self.class.name
    end
  end

  if self.class.embeddable? 
    if read_attribute(:_id).blank?
      write_attribute :_id, Mongo::ObjectID.new.to_s
      @new_document = true
    else
      @new_document = false
    end
  end
end

#inspectObject



290
291
292
293
294
295
# File 'lib/mongomapper/embedded_document.rb', line 290

def inspect
  attributes_as_nice_string = key_names.collect do |name|
    "#{name}: #{read_attribute(name).inspect}"
  end.join(", ")
  "#<#{self.class} #{attributes_as_nice_string}>"
end

#new?Boolean

Returns:



203
204
205
# File 'lib/mongomapper/embedded_document.rb', line 203

def new?
  !!@new_document
end

#saveObject



297
298
299
300
301
# File 'lib/mongomapper/embedded_document.rb', line 297

def save
  if _root_document
    _root_document.save
  end
end

#to_mongoObject



241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
# File 'lib/mongomapper/embedded_document.rb', line 241

def to_mongo
  attrs = HashWithIndifferentAccess.new
  
  _keys.each_pair do |name, key|
    value = key.set(read_attribute(key.name))
    attrs[name] = value
  end
  
  embedded_associations.each do |association|
    if documents = instance_variable_get(association.ivar)
      attrs[association.name] = documents.map { |document| document.to_mongo }
    end
  end
  
  attrs
end

#update_attributes(attrs = {}) ⇒ Object



303
304
305
306
# File 'lib/mongomapper/embedded_document.rb', line 303

def update_attributes(attrs={})
  self.attributes = attrs
  save
end

#using_custom_id?Boolean

Returns:



286
287
288
# File 'lib/mongomapper/embedded_document.rb', line 286

def using_custom_id?
  !!@using_custom_id
end