Tims-Chat/files/lib/system/cache/builder/PermissionCacheBuilder.class.php

<?php

/**
 * Copyright (C) 2010-2024  Tim Düsterhus
 * Copyright (C) 2010-2024  Woltlab GmbH
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

namespace chat\system\cache\builder;

use wcf\system\acl\ACLHandler;
use wcf\system\cache\builder\AbstractCacheBuilder;
use wcf\system\database\util\PreparedStatementConditionBuilder;
use wcf\system\WCF;

/**
 * Caches the chat permissions for a combination of user groups.
 */
final class PermissionCacheBuilder extends AbstractCacheBuilder
{
    /**
     * @inheritDoc
     */
    public function rebuild(array $parameters)
    {
        $data = [ ];

        if (!empty($parameters)) {
            $conditionBuilder = new PreparedStatementConditionBuilder();
            $conditionBuilder->add('acl_option.objectTypeID = ?', [ ACLHandler::getInstance()->getObjectTypeID('be.bastelstu.chat.room') ]);
            $conditionBuilder->add('option_to_group.groupID IN (?)', [ $parameters ]);
            $sql = "SELECT      option_to_group.objectID AS roomID,
                                option_to_group.optionValue,
                                acl_option.optionName AS permission
                    FROM        wcf1_acl_option acl_option
                    INNER JOIN  wcf1_acl_option_to_group option_to_group
                            ON  option_to_group.optionID = acl_option.optionID
                    {$conditionBuilder}";
            $statement = WCF::getDB()->prepare($sql);
            $statement->execute($conditionBuilder->getParameters());
            while (($row = $statement->fetchArray())) {
                if (!isset($data[$row['roomID']][$row['permission']])) {
                    $data[$row['roomID']][$row['permission']] = $row['optionValue'];
                } else {
                    $data[$row['roomID']][$row['permission']] = $row['optionValue'] || $data[$row['roomID']][$row['permission']];
                }
            }
        }

        return $data;
    }
}