Recurrent jobs with DJ

jobs.rb

class MyJob
  include Delayed::ScheduledJob

  run_every 1.hour
end

class MyJob2
  include Delayed::ScheduledJob

  run_every 1.day
end

scheduled_job.rb

module ScheduledJob
  def self.included(base)
    base.extend(ClassMethods)
  end
  
  def perform_with_schedule
    perform_without_schedule
    
    Delayed::Job.enqueue self, 0, self.class.schedule.from_now.getutc
  end

  def register_job
    Delayed::Job.enqueue self, 0, self.class.schedule.from_now.getutc
  end      

  module ClassMethods
    def method_added(name)
      if name.to_s == "perform" && !@redefined
        @redefined = true
        alias_method_chain :perform, :schedule
      end
    end
    
    def schedule
      @schedule
    end
    
    def run_every(time)
      if time.kind_of?(Proc)
        @schedule = time.call 
      else
        @schedule = time
      end
    end  

    def run_every_day_at(time)    
      hour = Time.parse(time)
      if hour > Time.now
        @schedule = Time.parse(time) - Time.now
      else
        @schedule = (Time.parse(time) + 1.day) - Time.now
      end
    end      
  end
end