class UserAttributeModel include Mongoid::Document include Mongoid::Timestamps field :key field :i18n_variable_id, :type => BSON::ObjectId, :index => true embeds_many :attribute_models after_update :destroy_attrs # Update or create the attribute_model records def attribute_models=(*attrs) attrs[0].each do |attributes| if attributes[:id].blank? attribute_models.build(attributes) else attribute_model = attribute_models.detect {|a| a.id.to_s == attributes[:id].to_s } attribute_model.update_attributes(attributes) end end end # Destroy the i18n_variables def destroy_i18n_variables self.i18n_variable.destroy rescue nil self.attribute_models.each do |attr| attr.destroy_i18n_variable end end # Update or create the i18n_variable record def i18n_variable=(attr) if self.i18n_variable_id self.i18n_variable.update_attributes(attr) rescue nil else var = I18nVariable.new(attr.merge({:key => self.key, :document_class => self.class})) var.save self.i18n_variable_id = var.id end end # Get the i18n_variable def i18n_variable @i18n_variable ||= I18nVariable.find(self.i18n_variable_id) rescue nil end protected # Destroy the i18n_variable for each attribute_models if marked to destroy def destroy_attrs attribute_models.each do |a| if a.should_destroy? a.destroy_i18n_variable end end end end