Class: WatchmonkeyCli::Platypus

Inherits:
Object
  • Object
show all
Defined in:
lib/watchmonkey_cli/hooks/platypus.rb

Defined Under Namespace

Classes: SilentOutput

Class Method Summary collapse

Class Method Details

.hook!(app, opts = {}) ⇒ Object 



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# File 'lib/watchmonkey_cli/hooks/platypus.rb', line 13

def self.hook!(app, opts = {})
  opts = opts.reverse_merge(notifications: 1, progress: true, html: false, draw_delay: 1)
  opts[:progress] = false if opts[:html]
  app.instance_eval do
    @platypus_status_cache = {
      errors: [],
    }

    # send errors via notification center
    hook :result_dump do |robj, args, checker|
      if robj.error?
        robj.messages.each do |m|
          msg  = "#{robj.args[0].try(:name) || robj.args[0].presence || "?"}: #{m}"
          @platypus_status_cache[:errors].unshift([Time.current, msg])
          @platypus_status_cache[:errors].pop if @platypus_status_cache[:errors].length > 20

          case opts[:notifications]
          when 1
            # makes no sound
            fmsg = msg.gsub('"', '\"').gsub("'", %{'"'"'})
            `osascript -e 'display notification "#{fmsg}" with title "WatchMonkey"'`
          when 2
            # makes a sound
            puts "NOTIFICATION:#{msg}"
          end
        end
      end
    end if opts[:notifications]

    hook :wm_work_start, :wm_work_end do
      # mastermind calculation I swear :D (<-- no idea what I did here)
      # puts "PROGRESS:#{((@[email protected]{|t| t[:working] }.length.to_d) / @threads.length * 100).to_i}"
      sync do
        active = @threads.select{|t| t[:working] }.length
        total  = @threads.select{|t| t[:working] }.length + @queue.length
        perc   = total.zero? ? 100 : (active.to_d / total * 100).to_i
        puts "PROGRESS:#{perc}"
      end
    end if opts[:progress]

    # HTML output (fancy as fuck!)
    if opts[:html]
      @opts[:stdout] = SilentOutput.new

      def escape_javascript str
        str.gsub(/(\|<\/|\r\n|\342\200\250|\342\200\251|[\n\r"'])/u) {|match| JS_ESCAPE_MAP[match] }
      end

      def platypus_init_html
        output = %{
          <html>
            <head>
              <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
              <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
              <title>Moep</title>
            </head>
            <body style="padding: 8px">
              <dl class="dl-horizontal">
                <dt>Items in Queue</dt><dd class="qlength">#{@queue.length}</dd>
                <dt>Items in ReQ</dt><dd class="rqlength">#{@requeue.length}</dd>
                <dt>Workers</dt><dd class="workers">#{@threads.select{|t| t[:working] }.length}/#{@threads.length} working (#{@threads.select(&:alive?).length} alive)</dd>
                <dt>Threads</dt><dd class="tlength">#{filtered_threads.length}</dd>
                <dt>Processed entries</dt><dd class="processed">#{@processed}</dd>
                <dt>Watching since</dt><dd>#{@boot}</dd>
                <dt>Last draw</dt><dd class="lastdraw">#{Time.current}</dd>
              </dl>
              <h3>Latest errors</h3>
              <pre class="lasterrors" style="display: block; white-space: pre; word-break: normal; word-wrap: normal;"></pre>
            </body>
          </html>
        }
        sync { Kernel.puts output }
      end

      def platypus_update_html
        dead = @threads.reject(&:alive?).length
        ti = " (#{dead} DEAD)" if dead > 0
        output = %{
          <script>
            $("script").remove();
            $("dd.qlength").html("#{@queue.length}");
            $("dd.rqlength").html("#{@requeue.length}");
            $("dd.workers").html("#{@threads.select{|t| t[:working] }.length}/#{@threads.length} working#{ti}");
            $("dd.tlength").html("#{filtered_threads.length}");
            $("dd.processed").html("#{@processed}");
            $("dd.lastdraw").html("#{Time.current}");
            $("pre.lasterrors").html("#{escape_javascript @platypus_status_cache[:errors].map{|t,e| "#{t}: #{e}" }.join("\n")}");
          </script>
        }
        sync { Kernel.puts output }
      end

      platypus_init_html
      @platypus_status_thread = Thread.new do
        Thread.current.abort_on_exception = true
        loop do
          platypus_update_html
          sleep opts[:draw_delay]
        end
      end
      hook :wm_shutdown do
        @platypus_status_thread.try(:kill).try(:join)
      end
    end
  end
end