check.php

<?php
namespace Bitrix\Landing\Update\Domain;
 
use \Bitrix\Main\Update\Stepper;
use \Bitrix\Main\Config\Option;
 
class Check extends Stepper
{
    protected static $moduleId = 'landing';
 
    const STEPPER_COUNT = 1;
 
    public function execute(array &$result)
    {
        $lastId = Option::get('landing', 'update_domain_check', 0);
        $result['count'] = 0;
        if (!isset($result['steps']))
        {
            $result['steps'] = 0;
        }
        $forUpdate = [];
 
        // gets all domains by condition
        $resDomain = \Bitrix\Landing\Domain::getList([
            'select' => [
                'ID', 'DOMAIN'
            ],
            'order' => [
                'ID' => 'asc'
            ]
        ]);
        while ($domain = $resDomain->fetch())
        {
            $resSite = \Bitrix\Landing\Site::getList([
                'select' => [
                    'ID'
                ],
                'filter' => [
                    'DOMAIN_ID' => $domain['ID'],
                    'CHECK_PERMISSIONS' => 'N'
                ]
            ]);
            if (!$resSite->fetch())
            {
                $result['count']++;
                if ($domain['ID'] > $lastId)
                {
                    if (count($forUpdate) < self::STEPPER_COUNT)
                    {
                        $forUpdate[$domain['ID']] = $domain['DOMAIN'];
                    }
                }
            }
        }
 
        if (!empty($forUpdate))
        {
            $class = \Bitrix\Landing\Manager::getExternalSiteController();
            foreach ($forUpdate as $id => $domain)
            {
                $lastId = $id;
                $result['steps']++;
                \Bitrix\Landing\Domain::delete($id);
                $class::deleteDomain($domain);
            }
            Option::set('landing', 'update_domain_check', $lastId);
            return true;
        }
        else
        {
            Option::delete('landing', array('name' => 'update_domain_check'));
            return false;
        }
    }
 
}