#171 Delayed Job

Jul 20, 2009 | 10 minutes | Plugins, Background Jobs

Is there a long running task which should be handled in the background? One of the best ways is using the delayed_job plugin like I show in this episode.

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There is a newer version of this episode, see the revised episode.

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          bash
        
script/plugin install git://github.com/collectiveidea/delayed_job.git
script/generate delayed_job
rake db:migrate
rake jobs:work

          mailings_controller.rb
        
mailing = Mailing.find(mailing_id)
mailing.send_later(:deliver)

# or
Delayed::Job.enqueue(MailingJob.new(params[:id]), -3, 3.days.from_now)

          lib/mailing_job.rb
        
class MailingJob < Struct.new(:mailing_id)
  def perform
    mailing = Mailing.find(mailing_id)
    mailing.deliver
  end
end