Module: MongoMapper::Plugins::Keys::InstanceMethods

Defined in:
lib/mongo_mapper/plugins/keys.rb

Instance Method Summary collapse

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 244

def [](name)
  read_key(name)
end

#[]=(name, value) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 248

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

#assign(attrs = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 214

def assign(attrs={})
  self.attributes = attrs
end

#attributes ⇒ Object Also known as: to_mongo 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 194

def attributes
  HashWithIndifferentAccess.new.tap do |attrs|
    keys.each_pair do |name, key|
      value = key.set(self[key.name])
      attrs[name] = value
    end

    embedded_associations.each do |association|
      if documents = instance_variable_get(association.ivar)
        if association.is_a?(Associations::OneAssociation)
          attrs[association.name] = documents.to_mongo
        else
          attrs[association.name] = documents.map { |document| document.to_mongo }
        end
      end
    end
  end
end

#attributes=(attrs) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 182

def attributes=(attrs)
  return if attrs.blank?

  attrs.each_pair do |key, value|
    if respond_to?(:"#{key}=")
      self.send(:"#{key}=", value)
    else
      self[key] = value
    end
  end
end

#default_id_value(attrs = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 269

def default_id_value(attrs={})
  id_provided = !attrs.nil? && attrs.keys.map { |k| k.to_s }.detect { |k| k == 'id' || k == '_id' }
  if !id_provided && self.class.can_default_id?
    write_key :_id, BSON::ObjectId.new
  end
end

#embedded_keys ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 265

def embedded_keys
  keys.values.select { |key| key.embeddable? }
end

#id ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 232

def id
  _id
end

#id=(value) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 236

def id=(value)
  if self.class.using_object_id?
    value = ObjectId.to_mongo(value)
  end

  self[:_id] = value
end

#initialize(attrs = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 165

def initialize(attrs={})
  default_id_value(attrs)
  @_new = true
  assign(attrs)
end

#initialize_from_database(attrs = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 171

def initialize_from_database(attrs={})
  @_new = false
  load_from_database(attrs)
  default_id_value(attrs)
  self
end

#key_names ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 257

def key_names
  keys.keys
end

#keys ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 253

def keys
  self.class.keys
end

#non_embedded_keys ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 261

def non_embedded_keys
  keys.values.select { |key| !key.embeddable? }
end

#persisted? ⇒ Boolean

Returns:



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# File 'lib/mongo_mapper/plugins/keys.rb', line 178

def persisted?
  !new? && !destroyed?
end

#update_attribute(name, value) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 228

def update_attribute(name, value)
  update_attributes(name.to_sym => value)
end

#update_attributes(attrs = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 218

def update_attributes(attrs={})
  assign(attrs)
  save
end

#update_attributes!(attrs = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 223

def update_attributes!(attrs={})
  assign(attrs)
  save!
end