require 'coupon_code' class InviteCode < CouchRest::Model::Base use_database 'invite_codes' property :invite_code, String, :read_only => true property :invite_count, Integer, :default => 0, :accessible => true property :max_uses, Integer, :default => 1 timestamps! design do view :by_invite_code view :by_invite_count end def initialize(attributes = {}, options = {}) super(attributes, options) write_attribute('invite_code', CouponCode.generate) if new? end end