eventcategoryviewrule.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\Access\Rule;
 
use Bitrix\Calendar\Access\Model\EventCategoryModel;
use Bitrix\Calendar\Access\Rule\Traits\CurrentUserTrait;
use Bitrix\Calendar\OpenEvents\Service\CategoryAttendeeService;
use Bitrix\Main\Access\AccessibleItem;
use Bitrix\Main\Access\Rule\AbstractRule;
 
final class EventCategoryViewRule extends AbstractRule
{
    use CurrentUserTrait;
 
    public function execute(AccessibleItem $item = null, $params = null): bool
    {
        if (!$item instanceof EventCategoryModel)
        {
            return false;
        }
 
        if (!$this->hasCurrentUser())
        {
            return true;
        }
 
        if ($this->user->isAdmin())
        {
            return true;
        }
 
        if (!$item->isClosed())
        {
            return true;
        }
 
        return CategoryAttendeeService::getInstance()->isAttendee($item->getId(), $this->user->getUserId());
    }
}