DjUnique

An armour for delayed_job_active_record to ensure no duplicate jobs are enqueued.

Add this line to your application's Gemfile:

gem 'dj_unique'

And then execute:

$ bundle

Or install it yourself as:

$ gem install dj_unique

Create a custom job class

class NewsletterJob < Struct.new(:text, :emails)
  def perform
    emails.each { |e| NewsletterMailer.deliver_text_to_email(text, e) }
  end
end

and enque it as a Delayed::UniqueJob

  @performable = NewsletterJob.new('lorem ipsum...', Customers.find(:all).collect(&:email))
  Delayed::UniqueJob(@performable) # Ensuring no duplicate jobs are added.

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

1. Add some more tests
2. Documentation
3. Support for Delayed::UniqueJob#delay