userforum.php

См. документацию.

<?php
namespace Bitrix\Forum;
 
use Bitrix\Main;
use Bitrix\Main\ORM\Fields\Relations\Reference;
use Bitrix\Main\ORM\Query\Join;
use Bitrix\Main\Entity;

class UserForumTable extends Main\Entity\DataManager
{
    public static function getTableName(): string
    {
        return 'b_forum_user_forum';
    }
 
    public static function getMap()
    {
        return [
            new Entity\IntegerField('ID', ['autocomplete' => true]),
            new Entity\IntegerField('USER_ID', ['primary' => true]),
            new Entity\IntegerField('FORUM_ID', ['primary' => true]),
            new Entity\DatetimeField('LAST_VISIT'),
            new Entity\DatetimeField('MAIN_LAST_VISIT'),
            new Reference('USER', Main\UserTable::class, Join::on('this.USER_ID', 'ref.ID')),
            new Reference('FORUM_USER', UserTable::class, Join::on('this.USER_ID', 'ref.USER_ID')),
        ];
    }
 
    public static function deleteBatch(array $filter)
    {
        $tableName = static::getTableName();
        $connection = Main\Application::getConnection();
        $helper = $connection->getSqlHelper();
 
        $where = [];
        foreach ($filter as $key => $value)
        {
            $where[] = $helper->prepareAssignment($tableName, $key, $value);
        }
        $where = implode(' AND ', $where);
 
        if($where)
        {
            $quotedTableName = $helper->quote($tableName);
            $connection->queryExecute("DELETE FROM {$quotedTableName} WHERE {$where}");
        }
    }
}