Commit 69d6f547

@@ -43,4 +43,8 @@ class Creation < ActiveRecord::Base
     sql_search = "%#{query}%"
     Creation.where("upper(name) like upper(?) OR upper(story) like upper(?)", sql_search, sql_search)
   end
+
+  def is_liked_by(user)
+    favorites.any? { |favorite| favorite.user == user }
+  end
 end

@@ -20,7 +20,7 @@ class User < ActiveRecord::Base
   end
 
   def already_likes(creation)
-    Favorite.where("user_id = ? AND creation_id = ?", self.id, creation.id).exists?
+    creation.is_liked_by(self)
   end
 
   def owns(creation)

@@ -74,6 +74,7 @@ describe User do
         result.should be_true
       end
     end
+
     describe "when they do not" do
       let(:result) { sut.already_likes(cake) }