class Issue < ActiveRecord::Base generator_for :subject, :method => :next_subject generator_for :author, :method => :next_author generator_for :priority, :method => :fetch_priority def self.next_subject @last_subject ||= 'Subject 0' @last_subject.succ! @last_subject end def self.next_author User.generate_with_protected! end def self.fetch_priority IssuePriority.first || IssuePriority.generate! end end