lock.php

См. документацию.

<?php
namespace Bitrix\Landing;
 
use \Bitrix\Main\Entity;
use \Bitrix\Main\ORM\Query\Result as QueryResult;
use \Bitrix\Landing\Internals\LockTable;
 
class Lock
{
    const ENTITY_TYPE_SITE = 'S';

    const ENTITY_TYPE_LANDING = 'L';

    const LOCK_TYPE_DELETE = 'D';

    protected static function isEntityLocked(int $entityId, string $entityType, string $lockType): bool
    {
        return LockTable::getList([
            'select' => [
                'ID'
            ],
            'filter' => [
                'ENTITY_ID' => $entityId,
                '=ENTITY_TYPE' => $entityType,
                '=LOCK_TYPE' => $lockType
            ]
        ])->fetch() ? true : false;
    }

    protected static function lockEntity(int $entityId, string $entityType, string $lockType, bool $lock = true): bool
    {
        $current = LockTable::getList([
            'select' => [
                'ID'
            ],
            'filter' => [
                'ENTITY_ID' => $entityId,
                '=ENTITY_TYPE' => $entityType,
                '=LOCK_TYPE' => $lockType
            ]
        ])->fetch();
        if (!$lock && isset($current['ID']))
        {
            return LockTable::delete($current['ID'])->isSuccess();
        }
        if ($lock && !isset($current['ID']))
        {
            return LockTable::add([
                'ENTITY_ID' => $entityId,
                'ENTITY_TYPE' => $entityType,
                'LOCK_TYPE' => $lockType
            ])->isSuccess();
        }
        return true;
    }

    public static function isSiteDeleteLocked(int $siteId): bool
    {
        if (self::isEntityLocked($siteId, self::ENTITY_TYPE_SITE, self::LOCK_TYPE_DELETE))
        {
            return true;
        }
        // check status for site's landings
        return LockTable::getList([
            'select' => [
                'ID'
            ],
            'filter' => [
                'LANDING.SITE_ID' => $siteId,
                '=ENTITY_TYPE' => self::ENTITY_TYPE_LANDING,
                '=LOCK_TYPE' => self::LOCK_TYPE_DELETE
            ],
            'runtime' => [
                new Entity\ReferenceField(
                    'LANDING',
                    'Bitrix\Landing\Internals\LandingTable',
                    [
                        '=this.ENTITY_ID' => 'ref.ID',
                        '=this.ENTITY_TYPE' => [
                            '?', self::ENTITY_TYPE_LANDING
                        ]
                    ]
                )
            ]
        ])->fetch() ? true : false;
    }

    public static function isLandingDeleteLocked(int $landingId): bool
    {
        return self::isEntityLocked($landingId, self::ENTITY_TYPE_LANDING, self::LOCK_TYPE_DELETE);
    }

    public static function lockDeleteSite(int $siteId, bool $lock = true): bool
    {
        if (Site::ping($siteId, !$lock))
        {
            return self::lockEntity($siteId, self::ENTITY_TYPE_SITE, self::LOCK_TYPE_DELETE, $lock);
        }
        return false;
    }

    public static function lockDeleteLanding(int $landingId, bool $lock = true): bool
    {
        if (Landing::ping($landingId, !$lock))
        {
            return self::lockEntity($landingId, self::ENTITY_TYPE_LANDING, self::LOCK_TYPE_DELETE, $lock);
        }
        return false;
    }

    public static function getList(array $params = []): QueryResult
    {
        return LockTable::getList($params);
    }
}