mod (owner)

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gist: 206440 Download_button fork
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      def workflow
        state :parse do |status, arg|
          if status == :error
            run(:reply, arg)
          else
            run(:send, arg.last) if @srv[:amqp]
            run(:rank, *arg)
          end
        end
 
        state :rank do |status, arg|
          if status == :fatal
            run(:stop, arg)
          else
            run(:reply, arg)
          end
        end
 
        state :send do |status, arg|
          run(:stop, arg) if status == :fatal
        end
 
        state :reply do |status, arg|
          run(:stop, arg) if status == :fatal
        end
 
        state(:stop)
      end