ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
class.ilCalendarShared.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
33class ilCalendarShared
34{
35 const TYPE_USR = 1;
36 const TYPE_ROLE = 2;
37
38 private $calendar_id;
39
40 private $shared = array();
41 private $shared_users = array();
42 private $shared_roles = array();
43
44 protected $db;
45
46
53 public function __construct($a_calendar_id)
54 {
55 global $ilDB;
56
57 $this->calendar_id = $a_calendar_id;
58 $this->db = $ilDB;
59 $this->read();
60 }
61
70 public static function deleteByCalendar($a_cal_id)
71 {
72 global $ilDB;
73
74 $query = "DELETE FROM cal_shared WHERE cal_id = ".$ilDB->quote($a_cal_id ,'integer')." ";
75 $res = $ilDB->manipulate($query);
76 return true;
77 }
78
87 public static function deleteByUser($a_user_id)
88 {
89 global $ilDB;
90
91 $query = "DELETE FROM cal_shared WHERE obj_id = ".$ilDB->quote($a_user_id ,'integer')." ";
92 $res = $ilDB->manipulate($query);
93 return true;
94
95 // TODO: delete also cal_shared_user_status
96 }
97
107 public static function isSharedWithUser($a_usr_id,$a_calendar_id)
108 {
109 global $ilDB,$rbacreview;
110
111 $query = 'SELECT * FROM cal_shared '.
112 "WHERE cal_id = ".$ilDB->quote($a_calendar_id ,'integer')." ";
113 $res = $ilDB->query($query);
114 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
115 {
116 $obj_ids[$row->obj_id] = $row->obj_type;
117 }
118 $assigned_roles = $rbacreview->assignedRoles($a_usr_id);
119 foreach($obj_ids as $id => $type)
120 {
121 switch($type)
122 {
123 case self::TYPE_USR:
124 if($a_usr_id == $id)
125 {
126 return true;
127 }
128 break;
129 case self::TYPE_ROLE:
130 if(in_array($id,$assigned_roles))
131 {
132 return true;
133 }
134 break;
135 }
136 }
137 return false;
138 }
139
148 public static function getSharedCalendarsForUser($a_usr_id = 0)
149 {
150 global $ilDB,$ilUser,$rbacreview;
151
152 if(!$a_usr_id)
153 {
154 $a_usr_id = $ilUser->getId();
155 }
156
157 $query = "SELECT * FROM cal_shared ".
158 "WHERE obj_type = ".$ilDB->quote(self::TYPE_USR ,'integer')." ".
159 "AND obj_id = ".$ilDB->quote($a_usr_id ,'integer')." ".
160 "ORDER BY create_date";
161 $res = $ilDB->query($query);
162 $calendars = array();
163 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
164 {
165 $calendars[] = $row->cal_id;
166
167 $shared[$row->cal_id]['cal_id'] = $row->cal_id;
168 $shared[$row->cal_id]['create_date'] = $row->create_date;
169 $shared[$row->cal_id]['obj_type'] = $row->obj_type;
170 }
171
172 $assigned_roles = $rbacreview->assignedRoles($ilUser->getId());
173
174 $query = "SELECT * FROM cal_shared ".
175 "WHERE obj_type = ".$ilDB->quote(self::TYPE_ROLE ,'integer')." ".
176 "AND ".$ilDB->in('obj_id',$assigned_roles,false ,'integer');
177
178 $res = $ilDB->query($query);
179 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
180 {
181 if(in_array($row->cal_id,$calendars))
182 {
183 continue;
184 }
185 if(ilCalendarCategories::_isOwner($ilUser->getId(),$row->cal_id))
186 {
187 continue;
188 }
189
190 $shared[$row->cal_id]['cal_id'] = $row->cal_id;
191 $shared[$row->cal_id]['create_date'] = $row->create_date;
192 $shared[$row->cal_id]['obj_type'] = $row->obj_type;
193 }
194
195
196
197 return $shared ? $shared : array();
198 // TODO: return also role calendars
199
200 }
201
208 public function getCalendarId()
209 {
210 return $this->calendar_id;
211 }
212
219 public function getShared()
220 {
221 return $this->shared ? $this->shared : array();
222 }
223
230 public function getUsers()
231 {
232 return $this->shared_users ? $this->shared_users : array();
233 }
234
241 public function getRoles()
242 {
243 return $this->shared_roles ? $this->shared_roles : array();
244 }
245
253 public function isShared($a_obj_id)
254 {
255 return isset($this->shared[$a_obj_id]);
256 }
257
262 public function isEditableForUser($a_user_id)
263 {
264 foreach((array) $this->shared as $info)
265 {
266 $GLOBALS['ilLog']->write(__METHOD__.': Calendar info:' . print_r($info,true));
267 $GLOBALS['ilLog']->write(__METHOD__.': Current user:' . $a_user_id);
268 if(!$info['writable'])
269 {
270 continue;
271 }
272
273 switch($info['obj_type'])
274 {
275 case self::TYPE_USR:
276 if($info['obj_id'] == $a_user_id)
277 {
278 $GLOBALS['ilLog']->write(__METHOD__.': Shared calendar is writable.');
279 return true;
280 }
281 break;
282
283 case self::TYPE_ROLE:
284 if($GLOBALS['rbacreview']->isAssigned($a_user_id,$info['obj_id']))
285 {
286 $GLOBALS['ilLog']->write(__METHOD__.': Shared calendar is writable.');
287 return true;
288 }
289 break;
290 }
291 }
292 $GLOBALS['ilLog']->write(__METHOD__.': Shared calendar is not writable.');
293 return false;
294 }
295
304 public function share($a_obj_id,$a_type, $a_writable = false)
305 {
306 global $ilDB;
307
308 if($this->isShared($a_obj_id))
309 {
310 return false;
311 }
312 $query = "INSERT INTO cal_shared (cal_id,obj_id,obj_type,create_date,writable) ".
313 "VALUES ( ".
314 $this->db->quote($this->getCalendarId() ,'integer').", ".
315 $this->db->quote($a_obj_id ,'integer').", ".
316 $this->db->quote($a_type ,'integer').", ".
317 $ilDB->now().", ".
318 $this->db->quote((int) $a_writable,'integer').' '.
319 ")";
320
321 $res = $ilDB->manipulate($query);
322
323 $this->read();
324 return true;
325 }
326
334 public function stopSharing($a_obj_id)
335 {
336 global $ilDB;
337
338 if(!$this->isShared($a_obj_id))
339 {
340 return false;
341 }
342 $query = "DELETE FROM cal_shared WHERE cal_id = ".$this->db->quote($this->getCalendarId() ,'integer')." ".
343 "AND obj_id = ".$this->db->quote($a_obj_id ,'integer')." ";
344 $res = $ilDB->manipulate($query);
345
346 include_once('./Services/Calendar/classes/class.ilCalendarSharedStatus.php');
347 ilCalendarSharedStatus::deleteStatus($a_obj_id,$this->getCalendarId());
348
349
350 $this->read();
351 return true;
352 }
353
360 protected function read()
361 {
362 global $ilDB;
363
364 $this->shared = $this->shared_users = $this->shared_roles = array();
365
366 $query = "SELECT * FROM cal_shared WHERE cal_id = ".$this->db->quote($this->getCalendarId() ,'integer');
367 $res = $this->db->query($query);
368 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
369 {
370 switch($row->obj_type)
371 {
372 case self::TYPE_USR:
373 $this->shared_users[$row->obj_id]['obj_id'] = $row->obj_id;
374 $this->shared_users[$row->obj_id]['obj_type'] = $row->obj_type;
375 $this->shared_users[$row->obj_id]['create_date'] = $row->create_date;
376 $this->shared_users[$row->obj_id]['writable'] = $row->writable;
377 break;
378
379
380 case self::TYPE_ROLE:
381 $this->shared_roles[$row->obj_id]['obj_id'] = $row->obj_id;
382 $this->shared_roles[$row->obj_id]['obj_type'] = $row->obj_type;
383 $this->shared_roles[$row->obj_id]['create_date'] = $row->create_date;
384 $this->shared_role[$row->obj_id]['writable'] = $row->writable;
385 break;
386
387 }
388
389 $this->shared[$row->obj_id]['obj_id'] = $row->obj_id;
390 $this->shared[$row->obj_id]['obj_type'] = $row->obj_type;
391 $this->shared[$row->obj_id]['create_date'] = $row->create_date;
392 $this->shared[$row->obj_id]['writable'] = $row->writable;
393 }
394 return true;
395 }
396}
397?>
DB_FETCHMODE_OBJECT
const DB_FETCHMODE_OBJECT
Definition: class.ilDB.php:11
ilCalendarCategories\_isOwner
static _isOwner($a_usr_id, $a_cal_id)
check if user is owner of a category
Definition: class.ilCalendarCategories.php:137
ilCalendarSharedStatus\deleteStatus
static deleteStatus($a_id, $a_calendar_id)
delete status
Definition: class.ilCalendarSharedStatus.php:174
ilCalendarShared
Handles shared calendars.
Definition: class.ilCalendarShared.php:34
ilCalendarShared\isSharedWithUser
static isSharedWithUser($a_usr_id, $a_calendar_id)
is shared with user
Definition: class.ilCalendarShared.php:107
ilCalendarShared\getSharedCalendarsForUser
static getSharedCalendarsForUser($a_usr_id=0)
get shared calendars of user
Definition: class.ilCalendarShared.php:148
ilCalendarShared\deleteByUser
static deleteByUser($a_user_id)
Delete all entries for a specific user.
Definition: class.ilCalendarShared.php:87
ilCalendarShared\isShared
isShared($a_obj_id)
Check if calendar is already shared with specific user or role.
Definition: class.ilCalendarShared.php:253
ilCalendarShared\isEditableForUser
isEditableForUser($a_user_id)
Check if calendar is editable for user.
Definition: class.ilCalendarShared.php:262
ilCalendarShared\__construct
__construct($a_calendar_id)
constructor
Definition: class.ilCalendarShared.php:53
ilCalendarShared\read
read()
read shared calendars
Definition: class.ilCalendarShared.php:360
ilCalendarShared\deleteByCalendar
static deleteByCalendar($a_cal_id)
Delete all entries for a specific calendar id.
Definition: class.ilCalendarShared.php:70
ilCalendarShared\stopSharing
stopSharing($a_obj_id)
stop sharing
Definition: class.ilCalendarShared.php:334
ilCalendarShared\share
share($a_obj_id, $a_type, $a_writable=false)
share calendar
Definition: class.ilCalendarShared.php:304
ilCalendarShared\getCalendarId
getCalendarId()
get calendar id
Definition: class.ilCalendarShared.php:208
$info
$info
Definition: example_052.php:80
$GLOBALS
$GLOBALS['PHPCAS_CLIENT']
This global variable is used by the interface class phpCAS.
Definition: CAS.php:276
$ilDB
global $ilDB
Definition: storeScorm2004.php:19
$ilUser
global $ilUser
Definition: imgupload.php:15