Files
osem/app/models/subscription.rb
2015-12-23 11:36:50 +02:00

8 lines
239 B
Ruby

class Subscription < ActiveRecord::Base
validates_uniqueness_of :user_id, scope: [:conference_id]
belongs_to :conference
belongs_to :user
validates_uniqueness_of :user_id, scope: :conference_id, message: 'already subscribed!'
end