class PagePart include Mongoid::Document include Mongoid::Timestamps field :name field :content field :kind field :public_r_tag field :public_r_tag_object_id, :default => nil field :public_r_tag_option, :default => nil field :widget_path field :widget_style field :widget_data_count has_one :i18n_variable, :class_name => "I18nVariable", :as => :language_value, :autosave => true, :dependent => :destroy has_one :title, :class_name => "I18nVariable", :as => :language_value, :autosave => true, :dependent => :destroy belongs_to :page belongs_to :module_app before_save :set_key def i18n_variable @i18n_variable ||= I18nVariable.first(:conditions => {:key => 'i18n_variable', :language_value_id => self.id, :language_value_type => self.class}) rescue nil end def title @title ||= I18nVariable.first(:conditions => {:key => 'title', :language_value_id => self.id, :language_value_type => self.class}) rescue nil end protected def set_key title.key = 'title' if title && (title.key.blank? rescue true) i18n_variable.key = 'i18n_variable' if i18n_variable && (i18n_variable.key.blank? rescue true) end end