bridge.rb

module SearchDo
  module DirtyTracking
    module Bridge

      def need_update_index?(attr_name = nil)
        return false unless changed?
        cs = changed_attributes.keys
        if attr_name
          cs.include?(attr_name)
        else
          search_indexer.observing_fields.any?{|t| cs.include?(t) }
        end
      end

      private
      def clear_changed_attributes
        changed_attributes.clear
      end
    end
  end
end