module Actions
  module Middleware
    class ExecuteIfContentsChanged < Dynflow::Middleware
      def run(*args)
        pass(*args) if execute?
      end

      def finalize(*args)
        pass(*args) if execute?
      end

      private

      def execute?
        if action.input.keys.include?('contents_changed') && !action.input['contents_changed']
          self.action.output[:post_sync_skipped] = true
          false
        else
          true
        end
      end
    end
  end
end