class.ilObjRemoteCourseAccess.php

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<?php
/*
    +-----------------------------------------------------------------------------+
    | ILIAS open source                                                           |
    +-----------------------------------------------------------------------------+
    | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
    |                                                                             |
    | This program is free software; you can redistribute it and/or               |
    | modify it under the terms of the GNU General Public License                 |
    | as published by the Free Software Foundation; either version 2              |
    | of the License, or (at your option) any later version.                      |
    |                                                                             |
    | This program is distributed in the hope that it will be useful,             |
    | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
    | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
    | GNU General Public License for more details.                                |
    |                                                                             |
    | You should have received a copy of the GNU General Public License           |
    | along with this program; if not, write to the Free Software                 |
    | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
    +-----------------------------------------------------------------------------+
*/

include_once("./Services/Object/classes/class.ilObjectAccess.php");

class ilObjRemoteCourseAccess extends ilObjectAccess
{
    public function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
    {
        global $ilUser, $lng, $rbacsystem, $ilAccess, $ilias;

        if ($a_user_id == "") {
            $a_user_id = $ilUser->getId();
        }

        switch ($a_permission) {
            case "visible":
                include_once './Modules/RemoteCourse/classes/class.ilObjRemoteCourse.php';
                $active = ilObjRemoteCourse::_lookupOnline($a_obj_id);
                $tutor = $rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id);

                if (!$active) {
                    $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                }
                if (!$tutor and !$active) {
                    return false;
                }
                break;

            case 'read':
                $tutor = $rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id);
                if ($tutor) {
                    return true;
                }
                include_once 'Modules/RemoteCourse/classes/class.ilObjRemoteCourse.php';
                $active = ilObjRemoteCourse::_lookupOnline($a_obj_id);

                if (!$active) {
                    $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                    return false;
                }
                break;
        }
        return true;
    }


    public static function _getCommands()
    {
        $commands = array(
            array("permission" => "read", "cmd" => "show", "lang_var" => "info",
                "default" => true),
            array("permission" => "write", "cmd" => "edit", "lang_var" => "edit")
        );
        
        return $commands;
    }
}