contactupdateservice.php

<?php
 
namespace Bitrix\Sender\Service;
 
use Bitrix\Sender\ContactTable;
use Bitrix\Sender\Internals\Dto\UpdateContactDtoCollection;
use Bitrix\Sender\Internals\SqlBatch;
 
final class ContactUpdateService
{
    public function updateByCollection(UpdateContactDtoCollection $collection): void
    {
        $onDuplicateUpdateFields = [
            'NAME',
            'BLACKLISTED',
            'DATE_UPDATE',
        ];
        foreach (SqlBatch::divide($collection->toArray()) as $list)
        {
            SqlBatch::insert(
                ContactTable::getTableName(),
                $list,
                $onDuplicateUpdateFields,
                ContactTable::getConflictFields(),
            );
        }
    }
}