The player is playing!

app/models/user.rb

@@ -0,0 +1,12 @@
+class User < ActiveRecord::Base
+  attr_accessible :lang, :name, :vk_id
+
+  def dump_json
+    Jbuilder.encode do |j|
+      j.id id
+      j.name name
+      j.lang lang
+      j.vk_id vk_id
+    end
+  end
+end