EventOptionHelper.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\EventOption\Helper;
 
use Bitrix\Calendar\EventOption\EventOptionRepository;
use Bitrix\Calendar\OpenEvents\Internals\OpenEventOptionTable;
use Bitrix\Calendar\OpenEvents\Service\CategoryService;
 
final class EventOptionHelper
{
    private const SYSTEM_CATEGORY_ID = 0;
 
    public static function changeCategoryForEvents(
        int $prevCategory,
        int $newCategoryId = self::SYSTEM_CATEGORY_ID
    ): bool
    {
        $eventOptionsIds = EventOptionRepository::getIdsByCategoryId($prevCategory);
        if (!$eventOptionsIds)
        {
            return true;
        }
 
        $updateResult = OpenEventOptionTable::updateMulti($eventOptionsIds, ['CATEGORY_ID' => $newCategoryId]);
 
        CategoryService::getInstance()->updateEventsCounter(
            eventCategoryId: $newCategoryId,
            value: count($eventOptionsIds)
        );
 
        return $updateResult->isSuccess();
    }
}