Add polymorphic votes to playground

Author: bradgessler

playground/blog/fixtures.rb

@@ -51,4 +51,19 @@
     post :tdd_guide
     author :brad
   end
+
+  vote :alice_likes_hello do
+    votable post(:hello_world)
+    voter :alice
+  end
+
+  vote :brad_likes_tdd do
+    votable post(:tdd_guide)
+    voter :brad
+  end
+
+  vote :charlie_likes_great_post do
+    votable comment(:great_post)
+    voter :charlie
+  end
 end

playground/blog/schema.rb

@@ -13,4 +13,9 @@
   table :tags, singular: :tag, columns: [:name]
 
   join_table :posts_tags, :posts, :tags
+
+  table :votes, singular: :vote, columns: [:votable_id, :votable_type, :voter_id] do
+    polymorphic :votable
+    belongs_to :voter, table: :users
+  end
 end