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<?php
/**
 * WikiOnlineEditingUser.php
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * @author      Rasmus Fuhse <fuhse@data-quest.de>
 * @copyright   2023 Stud.IP Core-Group
 * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
 * @category    Stud.IP
 *
 * @property int    $id               pk
 * @property string $user_id          database column
 * @property int    $page_id          database column
 * @property bool   $editing          database column
 * @property bool   $editing_request  database column
 * @property int    $chdate           database column
 * @property int    $mkdate           database column
 *
 * @property WikiPage $page
 * @property User $user
 */
class WikiOnlineEditingUser extends SimpleORMap
{
    public static int $threshold = 1 * 60;

    protected static function configure($config = [])
    {
        $config['db_table'] = 'wiki_online_editing_users';
        $config['belongs_to']['page'] = [
            'class_name'  => WikiPage::class,
            'foreign_key' => 'page_id'
        ];
        $config['belongs_to']['user'] = [
            'class_name'  => User::class,
            'foreign_key' => 'user_id'
        ];
        parent::configure($config);
    }

    public static function purge(WikiPage $page): void
    {
        WikiOnlineEditingUser::deleteBySQL(
            '`page_id` = :page_id AND `chdate` < UNIX_TIMESTAMP() - :threshold',
            [
                'page_id'   => $page->id,
                'threshold' => self::$threshold
            ]
        );
    }
}