eventaccesscontroller.php

<?php
 
namespace Bitrix\Calendar\Access;
 
use Bitrix\Calendar\Access\Model\EventModel;
use Bitrix\Calendar\Access\Model\UserModel;
use Bitrix\Main\Access\AccessibleItem;
use Bitrix\Main\Access\BaseAccessController;
use Bitrix\Main\Access\User\AccessibleUser;
use Bitrix\Calendar\Core\Mappers\Event;
 
class EventAccessController extends BaseAccessController
{
    public static array $cache = [];
 
    private const ITEM_TYPE = 'EVENT';
    private const USER_TYPE = 'USER';
 
    protected function loadItem(int $itemId = null): ?AccessibleItem
    {
        $key = self::ITEM_TYPE . '_' . $itemId;
        if (!array_key_exists($key, static::$cache))
        {
            $event = (new Event())->getById($itemId);
 
            if ($event instanceof \Bitrix\Calendar\Core\Event\Event)
            {
                $eventModel = EventModel::createFromObject($event);
            }
            else
            {
                $eventModel = EventModel::createNew();
            }
 
            static::$cache[$key] = $eventModel;
        }
 
        return static::$cache[$key];
    }
 
    protected function loadUser(int $userId): AccessibleUser
    {
        $key = self::USER_TYPE . '_' . $userId;
        if (!array_key_exists($key, static::$cache))
        {
            static::$cache[$key] = UserModel::createFromId($userId);
        }
 
        return static::$cache[$key];
    }
}