PermissionManager.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Exercise\Permission;
 
use ILIAS\ResourceStorage\Stakeholder\ResourceStakeholder;
use ILIAS\Exercise\InternalDomainService;
 
class PermissionManager
{
    public function __construct(
        protected InternalDomainService $domain
    ) {
    }
 
    public function getFirstRefIdWithPermission(
        string $perm,
        int $obj_id,
        int $user_id
    ): int {
        $access = $this->domain->access();
 
        foreach (\ilObject::_getAllReferences($obj_id) as $ref_id) {
            if ($access->checkAccessOfUser($user_id, $perm, "", $ref_id)) {
                return $ref_id;
            }
        }
        return 0;
    }
 
}