openeventdropcounter.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\Internals\Counter\Processor\Handler;
 
use Bitrix\Calendar\Internals\Counter\CounterService;
use Bitrix\Calendar\Internals\Counter\CounterTable;
use Bitrix\Calendar\Internals\Counter\Event\EventDictionary;
 
class OpenEventDropCounter
{
    public function __invoke(array $userIds, int $eventId, int $categoryId): void
    {
        if (empty($userIds) || !$eventId)
        {
            return;
        }
 
        CounterTable::deleteByFilter([
            'EVENT_ID' => $eventId,
            'USER_ID' => $userIds,
        ]);
        // this will run the Counter\Processor\Total which will update users' counters
        CounterService::addEvent(EventDictionary::OPEN_EVENT_SCORER_UPDATED, [
            'user_ids' => $userIds,
        ]);
 
        (new OpenEventPushScorer())($userIds, [$categoryId]);
    }
}