Finish sorting for announcements

app/models/user/user.rb

@@ -48,5 +48,9 @@ class User
     value = values.detect {|value| value.attribute_field_id == field_id} rescue nil
     value ? value : self.attribute_values.build
   end
+
+  def self.from_id(id)
+    User.find(id) rescue nil
+  end
   
 end