/**
  * @param User $user
  * @param UserCollection $userCollection
  */
 public function notifyChat(User $user, UserCollection $userCollection)
 {
     $channelId = $user->getChannelId();
     DI::get()->getLogger()->info("Total user count {$userCollection->getTotalCount()}", [__CLASS__]);
     if ($user->isInPrivateChat()) {
         $dualUsers = new UserCollection();
         $dualUsers->attach($user);
         $response = (new MessageResponse())->setTime(null)->setGuests($userCollection->getUsersByChatId($channelId))->setChannelId($channelId);
         if ($userCollection->getClientsCount($channelId) > 1) {
             $dualUsers = $userCollection;
             $response->setMsg(MsgToken::create('PartnerIsOnline'))->setDualChat('match');
         } elseif ($num = PendingDuals::get()->getUserPosition($user)) {
             $response->setMsg(MsgToken::create('StillInDualSearch', $num))->setDualChat('init');
         } else {
             $response->setMsg(MsgToken::create('YouAreAlone'))->setDualChat('match');
         }
         if ($user->getLastMsgId()) {
             $response->setMsg(Msg::create(null));
         }
         $dualUsers->setResponse($response)->notify(false);
     } else {
         ChannelNotifier::welcome($user, $userCollection);
         ChannelNotifier::indentifyChat($user, $userCollection, true);
     }
 }
 public static function run(User $user, UserCollection $users, ChannelsCollection $chats)
 {
     if (!$user->isInPrivateChat()) {
         return;
     }
     self::moveUsersToPublic($user, $users);
     self::informYouselfOnExit($user);
     ChannelNotifier::uploadHistory($user, true);
     ChannelNotifier::indentifyChat($user, $users);
     $chats->clean($user);
 }
 public function matchDual(User $user)
 {
     if ($user->isInPrivateChat() || !$this->isCorrectUser($user)) {
         return false;
     }
     $tim = $user->getProperties()->getTim();
     if (!$this->dualExists($user)) {
         $this->register($user);
         return false;
     }
     $queue = $this->getDualQueue($user)[$this->getDualTim($tim)];
     $queue = array_flip($queue);
     $userId = $queue[1];
     $this->deleteByUser(DI::get()->getUsers()->getClientById($userId));
     return $userId;
 }