/**
  * Add 'Unanswered' option to discussion filters.
  */
 public function Base_AfterDiscussionFilters_Handler($Sender, $Args)
 {
     if (Gdn::Session()->CheckPermission('Garden.Moderation.Manage')) {
         $DiscussionModel = new DiscussionModel();
         $Active = $Controller->RequestMethod == 'unanswered' ? ' Active' : '';
         $Unanswered = Sprite('SpUnansweredQuestionsSpUnansweredQuestions') . ' ' . T('Unanswered') . FilterCountString($DiscussionModel->UnansweredCount());
         echo '<li class="Unanswered ' . $Active . '">' . Anchor($Unanswered, 'discussions/unanswered') . '</li>';
     }
 }