class.ilObjGroupAccess.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2008 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("./classes/class.ilObjectAccess.php");

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

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

                switch ($a_cmd)
                {
                        case "info":
                        
                                include_once './Modules/Group/classes/class.ilGroupParticipants.php';
                                if(ilGroupParticipants::_isParticipant($a_ref_id,$a_user_id))
                                {
                                        $ilAccess->addInfoItem(IL_STATUS_MESSAGE, $lng->txt("info_is_member"));
                                }
                                else
                                {
                                        $ilAccess->addInfoItem(IL_STATUS_MESSAGE, $lng->txt("info_is_not_member"));
                                }                                               
                                break;
                                
                        case "join":
                        
                                include_once './Modules/Group/classes/class.ilGroupParticipants.php';
                                if(ilGroupParticipants::_isParticipant($a_ref_id,$a_user_id))
                                {
                                        return false;
                                }
                                break;
                }

                switch ($a_permission)
                {

                }
                return true;
        }

        function _getCommands()
        {
                $commands = array();
                $commands[] = array("permission" => "read", "cmd" => "view", "lang_var" => "show", "default" => true);
                // why here? it just needs info_screen_enabled = true in ilObjGroupListGUI (alex, 30.7.2008)
                // this is not consistent, with all other objects...
                // $commands[] = array("permission" => "visible", "cmd" => "infoScreen", "lang_var" => "info_short", "enable_anonymous" => "false");
                $commands[] = array("permission" => "join", "cmd" => "join", "lang_var" => "join");
                // BEGIN WebDAV: Mount Webfolder.
                require_once 'Services/WebDAV/classes/class.ilDAVServer.php';
                if (ilDAVServer::_isActive() && ilDAVServer::_isActionsVisible())
                {
                        $commands[] = array("permission" => "read", "cmd" => "mount_webfolder", "lang_var" => "mount_webfolder", "enable_anonymous" => "false");
                }
                // END WebDAV: Mount Webfolder.
                $commands[] = array("permission" => "write", "cmd" => "edit", "lang_var" => "edit");
                
                return $commands;
        }
        
        function _checkGoto($a_target)
        {
                global $ilAccess;
                
                $t_arr = explode("_", $a_target);

                if ($t_arr[0] != "grp" || ((int) $t_arr[1]) <= 0)
                {
                        return false;
                }

                if ($ilAccess->checkAccess("read", "", $t_arr[1]) ||
                        $ilAccess->checkAccess("visible", "", $t_arr[1]))
                {
                        return true;
                }
                return false;
        }

}
?>