lib/carte/server/models/card.rb in carte-server-0.0.5 vs lib/carte/server/models/card.rb in carte-server-0.0.6

@@ -3,10 +3,11 @@
     module Models
       class Card
         include Mongoid::Document
         include Mongoid::Timestamps
         include Mongoid::Attributes::Dynamic
+        include Mongoid::Document::Taggable
       
         field :title, type: String
         field :new_title, type: String
         field :content, type: String
 
@@ -27,11 +28,13 @@
         def version
           self.histories.size + 1
         end
       
         before_validation(on: :update) do
-          self.title = self.new_title
-          self.new_title = nil
+          if self.new_title
+            self.title = self.new_title
+            self.new_title = nil
+          end
         end
       
         def self.sample(size=1)
           self.in(id: (1..self.count).to_a.sample(size))
         end