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