openeventattendrule.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\Access\Rule;
 
use Bitrix\Calendar\Access\Model\EventModel;
use Bitrix\Calendar\Access\Rule\Traits\CategoryTrait;
use Bitrix\Calendar\Core\Event\Tools\Dictionary;
use Bitrix\Main\Access\AccessibleItem;
use Bitrix\Main\Access\Rule\AbstractRule;
 
final class OpenEventAttendRule extends AbstractRule
{
    use CategoryTrait;
 
    public function execute(AccessibleItem $item = null, $params = null): bool
    {
        if (!$item instanceof EventModel)
        {
            return false;
        }
 
        if ($item->getSectionType() !== Dictionary::CALENDAR_TYPE['open_event'])
        {
            return false;
        }
 
        if ($this->user->isAdmin())
        {
            return true;
        }
 
        return $this->checkCategoryByEvent($item);
    }
}