class.ilObjGroupReferenceAccess.php

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<?php
/* Copyright (c) 1998-2016 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/ContainerReference/classes/class.ilContainerReferenceAccess.php");

class ilObjGroupReferenceAccess extends ilContainerReferenceAccess
{
    public 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/GroupReference/classes/class.ilObjGroupReference.php';
                $target_ref_id = ilObjGroupReference::_lookupTargetRefId($a_obj_id);
                
                if (!$ilAccess->checkAccessOfUser($a_user_id, $a_permission, $a_cmd, $target_ref_id)) {
                    return false;
                }
                break;
        }

        return true;
    }

    public static function _getCommands($a_ref_id = 0)
    {
        global $ilAccess;
        
        if ($ilAccess->checkAccess('write', '', $a_ref_id)) {
            // Only local (reference specific commands)
            $commands = array(
                array("permission" => "visible", "cmd" => "", "lang_var" => "show","default" => true),
                array("permission" => "write", "cmd" => "editReference", "lang_var" => "edit")
            );
        } else {
            include_once('./Modules/Group/classes/class.ilObjGroupAccess.php');
            $commands = ilObjGroupAccess::_getCommands();
        }
        return $commands;
    }
}