ActivityModel::canDelete PHP Метод

    public static function canDelete($activity)
    {
        $session = Gdn::session();
        $profileUserId = val('ActivityUserID', $activity);
        $notifyUserId = val('NotifyUserID', $activity);
        // User can delete any activity
        if ($session->checkPermission('Garden.Activity.Delete')) {
            return true;
        }
        $notifyUserIds = [ActivityModel::NOTIFY_PUBLIC];
        if (Gdn::session()->checkPermission('Garden.Moderation.Manage')) {
            $notifyUserIds[] = ActivityModel::NOTIFY_MODS;
        }
        // Is this a wall post?
        if (!in_array(val('ActivityType', $activity), ['Status', 'WallPost']) || !in_array($notifyUserId, $notifyUserIds)) {
            return false;
        }
        // Is this on the user's wall?
        if ($profileUserId && $session->UserID == $profileUserId && $session->checkPermission('Garden.Profiles.Edit')) {
            return true;
        }
        // The user inserted the activity --- may be added in later
        //      $insertUserId = val('InsertUserID', $activity);
        //      if ($insertUserId && $insertUserId == $session->UserID) {
        //         return true;
        //      }
        return false;
    }

 /**
  * Delete an activity item.
  *
  * @since 2.0.0
  * @access public
  *
  * @param int $ActivityID Unique ID of item to delete.
  * @param string $TransientKey Verify intent.
  */
 public function delete($ActivityID = '', $TransientKey = '')
 {
     $session = Gdn::session();
     if (!$session->validateTransientKey($TransientKey)) {
         throw permissionException();
     }
     if (!is_numeric($ActivityID)) {
         throw Gdn_UserException('Invalid ID');
     }
     if (!$this->ActivityModel->canDelete($this->ActivityModel->getID($ActivityID))) {
         throw permissionException();
     }
     $this->ActivityModel->deleteID($ActivityID);
     if ($this->_DeliveryType === DELIVERY_TYPE_ALL) {
         $target = Gdn::request()->get('Target');
         if ($target) {
             // Bail with a redirect if we got one.
             redirect($target);
         } else {
             // We got this as a full page somehow, so send them back to /activity.
             $this->RedirectUrl = url('activity');
         }
     }
     $this->render();
 }