ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
class.ilObjSessionAccess.php
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1<?php
2/*
3 +-----------------------------------------------------------------------------+
4 | ILIAS open source |
5 +-----------------------------------------------------------------------------+
6 | Copyright (c) 1998-2006 ILIAS open source, University of Cologne |
7 | |
8 | This program is free software; you can redistribute it and/or |
9 | modify it under the terms of the GNU General Public License |
10 | as published by the Free Software Foundation; either version 2 |
11 | of the License, or (at your option) any later version. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
21 +-----------------------------------------------------------------------------+
22*/
23
24include_once './Services/Object/classes/class.ilObjectAccess.php';
25
35{
36 protected static $registrations = null;
37 protected static $registered = null;
38
46 public function _getCommands()
47 {
48 $commands = array
49 (
50 array("permission" => "read", "cmd" => "infoScreen", "lang_var" => "info_short", "default" => true),
51 array("permission" => "read", "cmd" => "register", "lang_var" => "join_session"),
52 array("permission" => "read", "cmd" => "unregister", "lang_var" => "event_unregister"),
53 array("permission" => "write", "cmd" => "edit", "lang_var" => "settings"),
54 array("permission" => "write", "cmd" => "materials", "lang_var" => "crs_objective_add_mat"),
55 array('permission' => 'write', 'cmd' => 'members', 'lang_var' => 'event_edit_members')
56 );
57
58 return $commands;
59 }
60
73 public function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
74 {
75 global $ilUser, $lng, $rbacsystem, $ilAccess;
76
77 $a_user_id = $a_user_id ? $a_user_id : $ilUser->getId();
78 switch($a_cmd)
79 {
80 case 'register':
81 if(self::_lookupRegistration($a_obj_id)&& $a_user_id != ANONYMOUS_USER_ID)
82 {
83 return !self::_lookupRegistered($a_user_id,$a_obj_id);
84 }
85 return false;
86
87 case 'unregister':
88 if(self::_lookupRegistration($a_obj_id) && $a_user_id != ANONYMOUS_USER_ID)
89 {
90 return self::_lookupRegistered($a_user_id,$a_obj_id);
91 }
92 return false;
93 }
94 return true;
95 }
96
97
101 public function _checkGoto($a_target)
102 {
103 global $ilAccess;
104
105 $t_arr = explode("_", $a_target);
106
107 if ($t_arr[0] != "sess" || ((int) $t_arr[1]) <= 0)
108 {
109 return false;
110 }
111
112 if($ilAccess->checkAccess("read", "", $t_arr[1]))
113 {
114 return true;
115 }
116 return false;
117 }
118
127 public static function _lookupRegistration($a_obj_id)
128 {
129 if(!is_null(self::$registrations))
130 {
131 return self::$registrations[$a_obj_id];
132 }
133
134 global $ilDB;
135
136 $query = "SELECT registration,obj_id FROM event ";
137 $res = $ilDB->query($query);
138 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
139 {
140 self::$registrations[$row->obj_id] = (bool) $row->registration;
141 }
142 return self::$registrations[$a_obj_id];
143 }
144
154 public static function _lookupRegistered($a_usr_id,$a_obj_id)
155 {
156 if(isset(self::$registered[$a_usr_id]))
157 {
158 return (bool) self::$registered[$a_usr_id][$a_obj_id];
159 }
160
161 global $ilDB,$ilUser;
162
163 $query = "SELECT event_id, registered FROM event_participants WHERE usr_id = ".$ilDB->quote($ilUser->getId(),'integer');
164 $res = $ilDB->query($query);
165 self::$registered[$a_usr_id] = array();
166 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
167 {
168 self::$registered[$a_usr_id][$row->event_id] = (bool) $row->registered;
169 }
170 return (bool) self::$registered[$a_usr_id][$a_obj_id];
171 }
172
173}
174?>
const DB_FETCHMODE_OBJECT
Definition: class.ilDB.php:11
_checkGoto($a_target)
check whether goto script will succeed
static _lookupRegistration($a_obj_id)
lookup registrations
static _lookupRegistered($a_usr_id, $a_obj_id)
lookup if user has registered
_checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")
_getCommands()
get list of command/permission combinations
Class ilObjectAccess.
global $lng
Definition: privfeed.php:40
global $ilDB
global $ilUser
Definition: imgupload.php:15