Base Resque Job For instance methods & correct term exception handling (b/c of rails's re-raising of errors with a different class).

email_job.rb

# example job (for emails)
class EmailJob < Jobs::Base
  @queue = :mailer

  attr_reader :mailer, :params, :email_type
  def initialize(mailer_class, email_type, params={})
    @mailer = mailer_class.constantize
    @params = params.with_indifferent_access
    @email_type = email_type
  end

  def run
    email = if params[:object]
              object = params[:object][:class].find(params[:object][:id])
              mailer.send(email_type, object)
            elsif params[:args]
              mailer.send(email_type, *params[:args])
            end

    email.deliver
  end
end

jobs_base.rb

class Jobs::Base
  TERM_MATCHER = /#{Regexp.escape("Resque::TermException")}/

  def self.perform(*args)
    job = self.new(*args)
    job.run
  rescue Resque::TermException
    Resque.enqueue(self, *args)
  rescue => e
    # we have to match because Rails is stupid sometimes and doesn't re-raise the same error!
    if e.message =~ TERM_MATCHER
      Resque.enqueue(self, *args)
    else
      raise e
    end
  end
end