/**
* Checks wether a user may invoke a command or not
* (this method is called by ilAccessHandler::checkAccess)
*
* Please do not check any preconditions handled by
* ilConditionHandler here. Also don't do any RBAC checks.
*
* @param string $a_cmd command (not permission!)
* @param string $a_permission permission
* @param int $a_ref_id reference id
* @param int $a_obj_id object id
* @param int $a_user_id user id (if not provided, current user is taken)
*
* @return boolean true, if everything is ok
*/
function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
{
global $ilAccess;
switch ($a_permission) {
case 'visible':
case 'read':
include_once './Modules/CourseReference/classes/class.ilObjCourseReference.php';
$target_ref_id = ilObjCourseReference::_lookupTargetRefId($a_obj_id);
if (!$ilAccess->checkAccessOfUser($a_user_id, $a_permission, $a_cmd, $target_ref_id)) {
return false;
}
break;
}
return true;
}