<?php
/*
 * Copyright (c) 2010-2018 Tim Düsterhus.
 *
 * Use of this software is governed by the Business Source License
 * included in the LICENSE file.
 *
 * Change Date: 2022-08-16
 *
 * On the date above, in accordance with the Business Source
 * License, use of this software will be governed by version 3
 * or later of the General Public License.
 */

namespace chat\system\event\listener;

use \chat\system\permission\PermissionHandler;
use \wcf\system\exception\PermissionDeniedException;
use \wcf\system\WCF;

/**
 * Denies access to temporary rooms, unless invited.
 */
class RoomCanSeeTemproomListener implements \wcf\system\event\listener\IParameterizedEventListener {
	/**
	 * @see	\wcf\system\event\listener\IParameterizedEventListener::execute()
	 */
	public function execute($eventObj, $className, $eventName, array &$parameters) {
		if (!$eventObj->isTemporary) return;

		$user = new \chat\data\user\User($parameters['user']->getDecoratedObject());
		if ($eventObj->ownerID === $user->userID) return;

		$sql = "SELECT COUNT(*)
		        FROM   chat".WCF_N."_room_temporary_invite
		        WHERE      userID = ?
		               AND roomID = ?";
		$statement = WCF::getDB()->prepareStatement($sql);
		$statement->execute([ $user->userID, $eventObj->roomID ]);
		if ($statement->fetchSingleColumn() > 0) return;

		$parameters['result'] = new PermissionDeniedException();
	}
}