class CategoryGroup < ActiveRecord::Base belongs_to :category belongs_to :group def self.permission_types @permission_types ||= Enum.new(:full, :create_post, :readonly) end end # == Schema Information # # Table name: category_groups # # id :integer not null, primary key # category_id :integer not null # group_id :integer not null # created_at :datetime not null # updated_at :datetime not null # permission_type :integer default(1) #