ILIAS  release_6 Revision v6.24-5-g0c8bfefb3b8
class.ilObjForumAccess.php
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1<?php
2/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */
3
11{
16 protected static $userInstanceCache = array();
17
30 public static function _getCommands()
31 {
32 $commands = array(
33 array(
34 'permission' => 'read',
35 'cmd' => 'showThreads',
36 'lang_var' => 'show',
37 'default' => true
38 ),
39 array(
40 'permission' => 'write',
41 'cmd' => 'edit',
42 'lang_var' => 'settings'
43 ),
44 );
45
46 return $commands;
47 }
48
55 public static function _checkGoto($a_target)
56 {
57 global $DIC;
58
59 $t_arr = explode('_', $a_target);
60
61 if ($t_arr[0] != 'frm' || ((int) $t_arr[1]) <= 0) {
62 return false;
63 }
64
65 if (
66 $DIC->access()->checkAccess('read', '', $t_arr[1]) ||
67 $DIC->access()->checkAccess('visible', '', $t_arr[1])
68 ) {
69 return true;
70 }
71
72 return false;
73 }
74
81 public static function _getThreadForPosting($a_pos_id)
82 {
83 global $DIC;
84 $ilDB = $DIC->database();
85
86 $res = $ilDB->queryF(
87 'SELECT pos_thr_fk FROM frm_posts WHERE pos_pk = %s',
88 array('integer'),
89 array($a_pos_id)
90 );
91
92 $row = $ilDB->fetchAssoc($res);
93
94 return $row['pos_thr_fk'];
95 }
96
103 public static function _lookupDiskUsage($a_obj_id)
104 {
105 global $DIC;
106 $ilDB = $DIC->database();
107
108 $res = $ilDB->queryf(
109 'SELECT top_frm_fk, pos_pk FROM frm_posts p
110 JOIN frm_data d ON d.top_pk = p.pos_top_fk
111 WHERE top_frm_fk = %s',
112 array('integer'),
113 array($a_obj_id)
114 );
115
116 $size = 0;
117 while ($row = $ilDB->fetchAssoc($res)) {
118 $fileDataForum = new ilFileDataForum($row['top_frm_fk'], $row['pos_pk']);
119 $filesOfPost = $fileDataForum->getFilesOfPost();
120 foreach ($filesOfPost as $attachment) {
121 $size += $attachment['size'];
122 }
123 unset($fileDataForum);
124 unset($filesOfPost);
125 }
126
127 return $size;
128 }
129
136 public static function prepareMessageForLists($text)
137 {
138 $text = str_replace('<br />', ' ', $text);
139 $text = strip_tags($text);
140 $text = preg_replace('/\[(\/)?quote\]/', '', $text);
141 if (ilStr::strLen($text) > 40) {
142 $text = ilStr::subStr($text, 0, 37) . '...';
143 }
144
145 return $text;
146 }
147
152 public static function _preloadData($obj_ids, $ref_ids)
153 {
154 /*
155 We are only able to preload the top_pk values for the forum ref_ids.
156 Other data like statistics and last posts require permission checks per reference, so there is no added value for using an SQL IN() function in the queries
157 */
158 ilObjForum::preloadForumIdsByRefIds((array) $ref_ids);
159 }
160
166 public static function getLastPostByRefId($ref_id)
167 {
168 return ilObjForum::lookupLastPostByRefId($ref_id);
169 }
170
176 public static function getStatisticsByRefId($ref_id)
177 {
179 }
180
186 public static function getCachedUserInstance($usr_id)
187 {
188 if (!isset(self::$userInstanceCache[$usr_id]) && ilObjUser::userExists([$usr_id])) {
189 self::$userInstanceCache[$usr_id] = ilObjectFactory::getInstanceByObjId($usr_id, false);
190 }
191
192 return self::$userInstanceCache[$usr_id];
193 }
194}
$size
Definition: RandomTest.php:84
An exception for terminatinating execution or to throw for unit testing.
This class handles all operations on files for the forum object.
Class ilObjForumAccess.
static _getCommands()
get commands this method returns an array of all possible commands/permission combinations example: $...
static getLastPostByRefId($ref_id)
static getStatisticsByRefId($ref_id)
static prepareMessageForLists($text)
Prepare message for container view.
static _getThreadForPosting($a_pos_id)
Get thread id for posting.
static _lookupDiskUsage($a_obj_id)
Returns the number of bytes used on the harddisk by the specified forum.
static _preloadData($obj_ids, $ref_ids)
static getCachedUserInstance($usr_id)
static _checkGoto($a_target)
Check whether goto script will succeed Comment mjansen: Cannot make this static because parent method...
static preloadForumIdsByRefIds(array $ref_ids)
static lookupStatisticsByRefId($ref_id)
static lookupLastPostByRefId($ref_id)
static userExists($a_usr_ids=array())
Class ilObjectAccess.
static getInstanceByObjId($a_obj_id, $stop_on_error=true)
get an instance of an Ilias object by object id
static subStr($a_str, $a_start, $a_length=null)
Definition: class.ilStr.php:15
static strLen($a_string)
Definition: class.ilStr.php:78
foreach($_POST as $key=> $value) $res
global $ilDB
$DIC
Definition: xapitoken.php:46