sectionaccesscontroller.php

<?php
 
namespace Bitrix\Calendar\Access;
 
use Bitrix\Calendar\Access\Model\SectionModel;
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\Section;
 
class SectionAccessController extends BaseAccessController
{
    public static array $cache = [];
 
    private const ITEM_TYPE = 'SECTION';
    private const USER_TYPE = 'USER';
 
    protected function loadItem(int $itemId = null): ?AccessibleItem
    {
        $key = self::ITEM_TYPE . '_' . $itemId;
        if (!array_key_exists($key, static::$cache))
        {
            $section = (new Section())->getById($itemId);
 
            $sectionModel = SectionModel::createFromId($itemId);
            if ($section instanceof \Bitrix\Calendar\Core\Section\Section)
            {
                $owner = $section->getOwner();
                $ownerId = $owner ? $owner->getId() : 0;
                $sectionModel
                    ->setType($section->getType())
                    ->setOwnerId($ownerId)
                ;
            }
 
            static::$cache[$key] = $sectionModel;
        }
 
        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];
    }
}