mirror of
https://github.com/wbbaddons/Tims-Chat.git
synced 2024-11-19 17:00:08 +00:00
263 lines
8.0 KiB
PHP
263 lines
8.0 KiB
PHP
<?php
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/*
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* Copyright (c) 2010-2018 Tim Düsterhus.
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*
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* Use of this software is governed by the Business Source License
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* included in the LICENSE file.
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*
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* Change Date: 2022-11-27
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*
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* On the date above, in accordance with the Business Source
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* License, use of this software will be governed by version 2
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* or later of the General Public License.
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*/
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namespace chat\data\room;
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use \chat\system\cache\runtime\UserRuntimeCache;
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use \chat\system\permission\PermissionHandler;
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use \wcf\system\exception\PermissionDeniedException;
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use \wcf\system\request\LinkHandler;
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use \wcf\system\WCF;
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use \wcf\util\StringUtil;
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/**
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* Represents a chat room.
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*/
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final class Room extends \wcf\data\DatabaseObject implements \wcf\system\request\IRouteController
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, \wcf\data\ITitledLinkObject
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, \JsonSerializable {
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/**
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* User to Room mapping.
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*
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* @param int[]
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*/
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private static $userToRoom = null;
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/**
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* @see Room::getTitle()
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*/
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public function __toString() {
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return $this->getTitle();
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}
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/**
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* Returns whether the given user can see at least
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* one chat room. If no user is given the current user
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* should be assumed
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*
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* @param \wcf\data\user\UserProfile $user
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* @return boolean
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*/
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public static function canSeeAny(\wcf\data\user\UserProfile $user = null) {
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$rooms = RoomCache::getInstance()->getRooms();
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foreach ($rooms as $room) {
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if ($room->canSee($user)) return true;
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}
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return false;
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}
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/**
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* Returns whether the given user can see this room.
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* If no user is given the current user should be assumed.
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*
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* @param \wcf\data\user\UserProfile $user
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* @return boolean
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*/
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public function canSee(\wcf\data\user\UserProfile $user = null, \Exception &$reason = null) {
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static $cache = [ ];
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if ($user === null) $user = new \wcf\data\user\UserProfile(WCF::getUser());
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if (!isset($cache[$this->roomID])) $cache[$this->roomID] = [];
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if (array_key_exists($user->userID, $cache[$this->roomID])) {
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return ($reason = $cache[$this->roomID][$user->userID]) === null;
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}
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if (!$user->userID) {
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$reason = new PermissionDeniedException();
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return ($cache[$this->roomID][$user->userID] = $reason) === null;
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}
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$result = null;
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if (!PermissionHandler::get($user)->getPermission($this, 'user.canSee')) {
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$result = new PermissionDeniedException();
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}
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$parameters = [ 'user' => $user
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, 'result' => $result
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];
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\wcf\system\event\EventHandler::getInstance()->fireAction($this, 'canSee', $parameters);
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$reason = $parameters['result'];
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if (!($reason === null || $reason instanceof \Exception || $reason instanceof \Throwable)) {
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throw new \DomainException('Result of canSee must be a \Throwable or null.');
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}
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return ($cache[$this->roomID][$user->userID] = $reason) === null;
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}
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/**
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* Returns whether the given user can see the log of this room.
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* If no user is given the current user should be assumed.
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*
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* @param \wcf\data\user\UserProfile $user
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* @return boolean
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*/
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public function canSeeLog(\wcf\data\user\UserProfile $user = null, \Exception &$reason = null) {
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static $cache = [ ];
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if ($user === null) $user = new \wcf\data\user\UserProfile(WCF::getUser());
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if (!isset($cache[$this->roomID])) $cache[$this->roomID] = [];
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if (array_key_exists($user->userID, $cache[$this->roomID])) {
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return ($reason = $cache[$this->roomID][$user->userID]) === null;
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}
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$result = null;
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if (!PermissionHandler::get($user)->getPermission($this, 'user.canSeeLog')) {
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$result = new PermissionDeniedException();
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}
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$parameters = [ 'user' => $user
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, 'result' => $result
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];
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\wcf\system\event\EventHandler::getInstance()->fireAction($this, 'canSeeLog', $parameters);
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$reason = $parameters['result'];
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if (!($reason === null || $reason instanceof \Exception || $reason instanceof \Throwable)) {
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throw new \DomainException('Result of canSeeLog must be a \Throwable or null.');
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}
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return ($cache[$this->roomID][$user->userID] = $reason) === null;
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}
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/**
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* Returns whether the given user can join this room.
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* If no user is given the current user should be assumed.
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*
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* @param \wcf\data\user\UserProfile $user
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* @return boolean
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*/
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public function canJoin(\wcf\data\user\UserProfile $user = null, \Exception &$reason = null) {
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static $cache = [ ];
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if ($user === null) $user = new \wcf\data\user\UserProfile(WCF::getUser());
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if (!isset($cache[$this->roomID])) $cache[$this->roomID] = [];
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if (array_key_exists($user->userID, $cache[$this->roomID])) {
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return ($reason = $cache[$this->roomID][$user->userID]) === null;
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}
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$parameters = [ 'user' => $user
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, 'result' => null
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];
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\wcf\system\event\EventHandler::getInstance()->fireAction($this, 'canJoin', $parameters);
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$reason = $parameters['result'];
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if (!($reason === null || $reason instanceof \Exception || $reason instanceof \Throwable)) {
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throw new \DomainException('Result of canJoin must be a \Throwable or null.');
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}
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return ($cache[$this->roomID][$user->userID] = $reason) === null;
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}
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/**
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* Returns whether the given user can write public messages in this room.
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* If no user is given the current user should be assumed.
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*
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* @param \wcf\data\user\UserProfile $user
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* @return boolean
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*/
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public function canWritePublicly(\wcf\data\user\UserProfile $user = null, \Exception &$reason = null) {
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static $cache = [ ];
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if ($user === null) $user = new \wcf\data\user\UserProfile(WCF::getUser());
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if (!isset($cache[$this->roomID])) $cache[$this->roomID] = [];
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if (array_key_exists($user->userID, $cache[$this->roomID])) {
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return ($reason = $cache[$this->roomID][$user->userID]) === null;
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}
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$result = null;
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if (!PermissionHandler::get($user)->getPermission($this, 'user.canWrite')) {
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$result = new PermissionDeniedException();
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}
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$parameters = [ 'user' => $user
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, 'result' => $result
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];
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\wcf\system\event\EventHandler::getInstance()->fireAction($this, 'canWritePublicly', $parameters);
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$reason = $parameters['result'];
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if (!($reason === null || $reason instanceof \Exception || $reason instanceof \Throwable)) {
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throw new \DomainException('Result of canWritePublicly must be a \Throwable or null.');
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}
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return ($cache[$this->roomID][$user->userID] = $reason) === null;
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}
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/**
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* @inheritDoc
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*/
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public function getTitle() {
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return WCF::getLanguage()->get($this->title);
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}
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/**
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* @inheritDoc
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*/
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public function getTopic() {
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$topic = StringUtil::trim(WCF::getLanguage()->get($this->topic));
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if (!$this->topicUseHtml) {
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$topic = StringUtil::encodeHTML($topic);
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}
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return $topic;
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}
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/**
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* Returns an array of users in this room.
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*/
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public function getUsers() {
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if (self::$userToRoom === null) {
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$sql = "SELECT r2u.userID, r2u.roomID
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FROM chat".WCF_N."_room_to_user r2u
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INNER JOIN wcf".WCF_N."_user u
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ON r2u.userID = u.userID
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WHERE r2u.active = ?
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ORDER BY u.username ASC";
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$statement = WCF::getDB()->prepareStatement($sql);
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$statement->execute([ 1 ]);
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self::$userToRoom = $statement->fetchMap('roomID', 'userID', false);
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if (!empty(self::$userToRoom)) {
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UserRuntimeCache::getInstance()->cacheObjectIDs(array_merge(...self::$userToRoom));
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}
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}
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if (!isset(self::$userToRoom[$this->roomID])) return [ ];
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return UserRuntimeCache::getInstance()->getObjects(self::$userToRoom[$this->roomID]);
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}
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/**
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* @inheritDoc
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*/
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public function getLink() {
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return LinkHandler::getInstance()->getLink('Room', [ 'application' => 'chat'
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, 'object' => $this
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, 'forceFrontend' => true
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]
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);
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}
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/**
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* @inheritDoc
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*/
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public function jsonSerialize() {
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return [ 'title' => $this->getTitle()
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, 'topic' => $this->getTopic()
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, 'link' => $this->getLink()
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];
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}
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}
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