paulnsorensen/lifesaver

module Lifesaver
  module Indexing
    module ModelAdditions
      module ClassMethods
        def enqueues_indexing
          after_commit do
            send :enqueue_indexing
          end
        end
      end

      def self.included(base)
        base.extend(ClassMethods)
      end

      def has_index?
        self.respond_to?(:tire)
      end

      def should_index?
        has_index? && !suppress_indexing?
      end

      def suppress_indexing
        @indexing_suppressed = true
      end

      def unsuppress_indexing
        @indexing_suppressed = false
      end

      private

      def enqueue_indexing
        operation = destroyed? ? :destroy : :update
        Lifesaver::Indexing::Enqueuer.new(model: self,
                                          operation: operation).enqueue
      end

      def suppress_indexing?
        Lifesaver.indexing_suppressed? || @indexing_suppressed || false
      end
    end
  end
end