Module: MongoMapper::Plugins::Keys

Extended by:
ActiveSupport::Concern
Included in:
Document, EmbeddedDocument
Defined in:
lib/mongo_mapper/plugins/keys.rb,
lib/mongo_mapper/plugins/keys/key.rb,
lib/mongo_mapper/plugins/keys/static.rb

Defined Under Namespace

Modules: ClassMethods, Static Classes: Key

Constant Summary collapse

IS_RUBY_1_9 = 
method(:const_defined?).arity == 1

Instance Method Summary collapse

Instance Method Details

#[](key_name) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 376

def [](key_name); read_key(key_name); end

#[]=(name, value) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 379

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

#assign(attrs = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 323

def assign(attrs={})
  warn "[DEPRECATION] #assign is deprecated, use #attributes="
  self.attributes = attrs
end

#attribute(key_name) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 377

def attribute(key_name); read_key(key_name); end

#attributes ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 319

def attributes
  to_mongo(false).with_indifferent_access
end

#attributes=(attrs) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 286

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

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

#embedded_keys ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 391

def embedded_keys
  @embedded_keys ||= keys.values.select(&:embeddable?)
end

#id ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 343

def id
  self[:_id]
end

#id=(value) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 347

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

  self[:_id] = value
end

#initialize(attrs = {}) {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/mongo_mapper/plugins/keys.rb', line 266

def initialize(attrs={})
  @_new = true
  init_ivars
  initialize_default_values(attrs)
  self.attributes = attrs
  yield self if block_given?
end

#initialize_from_database(attrs = {}, with_cast = false) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 274

def initialize_from_database(attrs={}, with_cast = false)
  @_new = false
  init_ivars
  initialize_default_values(attrs)
  load_from_database(attrs, with_cast)
  self
end

#key_names ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 383

def key_names
  @key_names ||= keys.keys
end

#keys ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 355

def keys
  self.class.keys
end

#non_embedded_keys ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 387

def non_embedded_keys
  @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 282

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

#read_key(key_name) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 359

def read_key(key_name)
  key_name_sym = key_name.to_sym
  if @_dynamic_attributes && @_dynamic_attributes.key?(key_name_sym)
    @_dynamic_attributes[key_name_sym]
  elsif key = keys[key_name.to_s]
    if key.ivar && instance_variable_defined?(key.ivar)
      value = instance_variable_get(key.ivar)
    else
      if key.ivar
        instance_variable_set key.ivar, key.get(nil)
      else
        @_dynamic_attributes[key_name_sym] = key.get(nil)
      end
    end
  end
end

#to_mongo(include_abbreviatons = true) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 298

def to_mongo(include_abbreviatons = true)
  Hash.new.tap do |attrs|
    self.class.unaliased_keys.each do |name, key|
      value = self.read_key(key.name)
      if key.type == ObjectId || !value.nil?
        attrs[include_abbreviatons && key.persisted_name || name] = key.set(value)
      end
    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(&:to_mongo)
        end
      end
    end
  end
end

#update_attribute(name, value) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 338

def update_attribute(name, value)
  self.send(:"#{name}=", value)
  save(:validate => false)
end

#update_attributes(attrs = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 328

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

#update_attributes!(attrs = {}) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/keys.rb', line 333

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