Mod: 回答加入每人一次的唯一验证

xufeng · Apr 5, 2011 · fef4148 · fef4148
1 parent 5f955e7
commit fef4148
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/app/models/answer.rb b/app/models/answer.rb
@@ -17,6 +17,8 @@ class Answer < BaseModel
   field :spam_voter_ids, :type => Array, :default => []
 
   validates_presence_of :user_id, :body
+  validates_uniqueness_of :user_id, :scope => [:ask_id]
+
   # 敏感词验证
   before_validation :check_spam_words
   def check_spam_words