extract controller base class

app/controllers/stopwatch_controller.rb

@@ -0,0 +1,12 @@
+# base class for stopwatch controllers
+class StopwatchController < ApplicationController
+  helper :timelog, :custom_fields
+
+  before_action :require_login
+
+  private
+
+  def authorize_edit_time
+    @time_entry.editable_by?(User.current) or deny_access
+  end
+end