Mongoid::Relations::AutoSave::ClassMethods

Public Instance Methods

autosavable?(metadata) click to toggle source

Can the autosave be added?

@example Can the autosave be added?

Person.autosavable?(metadata)

@param [ Metadata ] metadata The relation metadata.

@return [ true, false ] If the autosave is able to be added.

@since 3.0.0

# File lib/mongoid/relations/auto_save.rb, line 89
def autosavable?(metadata)
  !autosaved_relations.include?(metadata.name) && !metadata.embedded?
end

autosave(metadata) click to toggle source

Set up the autosave behaviour for references many and references one relations. When the option is set to true, these relations will get saved automatically when the parent saved, if they are dirty.

@example Set up autosave options.

Person.autosave(metadata)

@param [ Metadata ] metadata The relation metadata.

@since 2.0.0.rc.1

# File lib/mongoid/relations/auto_save.rb, line 58
  def autosave(metadata)
    if metadata.autosave? && autosavable?(metadata)
      autosaved_relations.push(metadata.name)
      set_callback :save, :after, unless: :autosaved? do |document|
        # @todo: Durran: Remove with Rails 4 after callback termination.
        if before_callback_halted?
          self.before_callback_halted = false
        else
          begin_autosave
          relation = document.send(metadata.name)
          if relation
            (relation.do_or_do_not(:in_memory) || Array.wrap(relation)).each do |doc|
              doc.save
            end
          end
          exit_autosave
        end
      end
    end
  end

  # Can the autosave be added?
  #
  # @example Can the autosave be added?
  #   Person.autosavable?(metadata)
  #
  # @param [ Metadata ] metadata The relation metadata.
  #
  # @return [ true, false ] If the autosave is able to be added.
  #
  # @since 3.0.0
  def autosavable?(metadata)
    !autosaved_relations.include?(metadata.name) && !metadata.embedded?
  end
end

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Mongoid::Relations::AutoSave::ClassMethods

Public Instance Methods