Module: ResqueScheduler::Server

Defined in:
lib/resque_scheduler/server.rb

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object



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# File 'lib/resque_scheduler/server.rb', line 8

def self.included(base)
  base.class_eval do
    helpers do
      def format_time(t)
        t.strftime('%Y-%m-%d %H:%M:%S %z')
      end

      def queue_from_class_name(class_name)
        Resque.queue_from_class(ResqueScheduler::Util.constantize(class_name))
      end

      def find_job(worker)
        worker = worker.downcase
        results = Array.new

        # Check working jobs
        working = Resque.working
        working = [working] unless working.is_a?(Array)
        work = working.select do |w|
          w.job && w.job["payload"] && w.job['payload']['class'].downcase.include?(worker)
        end
        work.each do |w|
          results += [w.job['payload'].merge({'queue' => w.job['queue'], 'where_at' => 'working'})]
        end

        # Check delayed Jobs
        dels = Array.new
        Resque.delayed_queue_peek(0, Resque.delayed_queue_schedule_size).each do |d|
          Resque.delayed_timestamp_peek(d, 0, Resque.delayed_timestamp_size(d)).each do |j|
            dels << j.merge!({'timestamp' => d})
          end
        end
        results += dels.select do |j|
          j['class'].downcase.include?(worker) && j.merge!({'where_at' => 'delayed'})
        end

        # Check Queues
        Resque.queues.each do |queue|
            queued = Resque.peek(queue, 0, Resque.size(queue))
            queued = [queued] unless queued.is_a?(Array)
            results += queued.select do |j|
              j['class'].downcase.include?(worker) && j.merge!({'queue' => queue, 'where_at' => 'queued'})
            end
        end
        results
      end

      def schedule_interval(config)
        if config['every']
          schedule_interval_every(config['every'])
        elsif config['cron']
          'cron: ' + config['cron'].to_s
        else
          'Not currently scheduled'
        end
      end

      def schedule_interval_every(every)
        every = [*every]
        s = 'every: ' << every.first

        return s unless every.length > 1

        s << ' ('
        meta = every.last.map do |key, value|
          "#{key.to_s.gsub(/_/, ' ')} #{value}"
        end
        s << meta.join(', ') << ')'
      end

      def schedule_class(config)
        if config['class'].nil? && !config['custom_job_class'].nil?
          config['custom_job_class']
        else
          config['class']
        end
      end

      def scheduled_in_this_env?(name)
        return true if Resque.schedule[name]['rails_env'].nil?
        Resque.schedule[name]['rails_env'] == Resque::Scheduler.env
      end
    end

    get "/schedule" do
      Resque.reload_schedule! if Resque::Scheduler.dynamic
      # Is there a better way to specify alternate template locations with sinatra?
      erb File.read(File.join(File.dirname(__FILE__), 'server/views/scheduler.erb'))
    end

    post "/schedule/requeue" do
      @job_name = params['job_name'] || params[:job_name]
      config = Resque.schedule[@job_name]
      @parameters = config['parameters'] || config[:parameters]
      if @parameters
        erb File.read(File.join(File.dirname(__FILE__), 'server/views/requeue-params.erb'))
      else
        Resque::Scheduler.enqueue_from_config(config)
        redirect u("/overview")
      end
    end

    post "/schedule/requeue_with_params" do
      job_name = params['job_name'] || params[:job_name]
      config = Resque.schedule[job_name]
      # Build args hash from post data (removing the job name)
       = params.reject {|key, value| key == 'job_name' || key == :job_name}

      # Merge constructed args hash with existing args hash for
      # the job, if it exists
      config_args = config['args'] || config[:args] || {}
      config_args = config_args.merge()

      # Insert the args hash into config and queue the resque job
      config = config.merge('args' => config_args)
      Resque::Scheduler.enqueue_from_config(config)
      redirect u("/overview")
    end

    get "/delayed" do
      # Is there a better way to specify alternate template locations with sinatra?
      erb File.read(File.join(File.dirname(__FILE__), 'server/views/delayed.erb'))
    end

    get "/delayed/jobs/:klass" do
      begin
        klass = ResqueScheduler::Util::constantize(params[:klass])
        @args = JSON.load(URI.decode(params[:args]))
        @timestamps = Resque.scheduled_at(klass, *@args)
      rescue => err
        @timestamps = []
      end

      erb File.read(File.join(File.dirname(__FILE__), 'server/views/delayed_schedules.erb'))
    end

    post "/delayed/search" do
      # Is there a better way to specify alternate template locations with sinatra?
      @jobs = find_job(params[:search])
      erb File.read(File.join(File.dirname(__FILE__), 'server/views/search.erb'))
    end

    get "/delayed/:timestamp" do
      # Is there a better way to specify alternate template locations with sinatra?
      erb File.read(File.join(File.dirname(__FILE__), 'server/views/delayed_timestamp.erb'))
    end

    post "/delayed/queue_now" do
      timestamp = params['timestamp']
      Resque::Scheduler.enqueue_delayed_items_for_timestamp(timestamp.to_i) if timestamp.to_i > 0
      redirect u("/overview")
    end

    post "/delayed/cancel_now" do
      klass = ResqueScheduler::Util.constantize params['klass']
      timestamp = params['timestamp']
      args = Resque.decode params['args']
      Resque.remove_delayed_job_from_timestamp(timestamp, klass, *args)
      redirect u("/delayed")
    end

    post "/delayed/clear" do
      Resque.reset_delayed_queue
      redirect u('delayed')
    end
  end
end