diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 318923e3d..de54dafc5 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -67,8 +67,7 @@ class ApplicationController < ActionController::Base
   end
 
   def user_log_str(user)
-    return 'public' if user.nil?
-    "#{user.id}-#{user.class}: #{user.username}"
+    user.nil? ? 'public' : user.string
   end
 
   def comma_support_for(parent_key, key)
diff --git a/app/models/user.rb b/app/models/user.rb
index 0beb174f3..5d415230c 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -3,4 +3,9 @@ class User < ActiveRecord::Base
   devise :trackable, :timeoutable
 
   attr_accessor :phone
+
+  def string
+    "#{self.id}-#{self.class}: #{self.username}"
+  end
+
 end