public function openFileAction($file)
 {
     Utils::openUrl($file->getPermalink());
 }
 public function openChannelAction(\AlfredSlack\Models\ChatInterface $channel)
 {
     $id = $channel->getId();
     // Get the IM id if a user
     if ($channel instanceof \AlfredSlack\Models\UserModel) {
         $im = $this->service->getImByUser($channel);
         $id = $im->getId();
     }
     $url = 'slack://channel?id=' . $id . '&team=' . $channel->getAuth()->getTeamId();
     Utils::openUrl($url);
     Utils::openApp('Slack');
 }