public function markGroupAsRead(\AlfredSlack\Models\GroupModel $group)
 {
     $teamId = $group->getAuth()->team_id;
     $model = $this->services[$teamId];
     return $model->markGroupAsRead($group);
 }
 public function markGroupAsRead(\AlfredSlack\Models\GroupModel $group)
 {
     $now = time();
     $this->commander->executeAsync('groups.mark', ['channel' => $group->getId(), 'ts' => $now]);
 }