scope :authorized, -> { where("authorized_at IS NOT NULL and invalidated_at IS NULL") }
- validates_uniqueness_of :token
- validates_presence_of :client_application, :token
+ validates :token, :presence => true, :uniqueness => true
+ validates :user, :associated => true
+ validates :client_application, :presence => true
before_validation :generate_keys, :on => :create