unique smiles only!

2014-12-28 22:15:25 +01:00 · 2014-12-28 22:15:25 +01:00 · 49c371302c
parent 40f54fd19a
commit 49c371302c
1 changed files with 1 additions and 1 deletions
--- a/app/models/smile.rb
+++ b/app/models/smile.rb
@ -1,7 +1,7 @@
 class Smile < ActiveRecord::Base
  belongs_to :user
  belongs_to :answer
-  validates :user_id, presence: true
+  validates :user_id, presence: true, uniqueness: { scope: :answer_id, message: "already smiled answer" }
  validates :answer_id, presence: true

  after_create do