ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
class.ilCourseUserData.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
33{
34 private $db;
35 private $user_id;
36 private $field_id;
37 private $value;
38
39
48 public function __construct($a_user_id,$a_field_id = 0)
49 {
50 global $ilDB;
51
52 $this->db = $ilDB;
53 $this->user_id = $a_user_id;
54 $this->field_id = $a_field_id;
55
56 if($this->field_id)
57 {
58 $this->read();
59 }
60 }
61
70 public static function _getValuesByObjId($a_obj_id)
71 {
72 global $ilDB;
73
74 include_once('Modules/Course/classes/Export/class.ilCourseDefinedFieldDefinition.php');
76 if(!count($field_ids))
77 {
78 return array();
79 }
80
81 $where = "WHERE ".$ilDB->in('field_id',$field_ids,false,'integer');
82 $query = "SELECT * FROM crs_user_data ".
83 $where;
84
85 $res = $ilDB->query($query);
86 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
87 {
88 $user_data[$row->usr_id][$row->field_id] = $row->value;
89 }
90
91 return $user_data ? $user_data : array();
92 }
93
105 public static function _checkRequired($a_usr_id,$a_obj_id)
106 {
107 global $ilDB;
108
109 include_once('Modules/Course/classes/Export/class.ilCourseDefinedFieldDefinition.php');
111 if(!count($required))
112 {
113 return true;
114 }
115
116 //$and = ("AND field_id IN (".implode(",",ilUtil::quoteArray($required)).")");
117 $and = "AND ".$ilDB->in('field_id',$required,false,'integer');
118
119 $query = "SELECT COUNT(*) num_entries FROM crs_user_data ".
120 "WHERE usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ".
121 "AND value != '' AND value IS NOT NULL ".
122 $and." ".
123 " ";
124 $res = $ilDB->query($query);
125 $row = $res->fetchRow(DB_FETCHMODE_OBJECT);
126
127 return $row->num_entries == count($required);
128 }
129
138 public static function _deleteByUser($a_user_id)
139 {
140 global $ilDB;
141
142 $query = "DELETE FROM crs_user_data ".
143 "WHERE usr_id = ".$ilDB->quote($a_user_id ,'integer');
144 $res = $ilDB->manipulate($query);
145
146 }
147
155 public static function _deleteByField($a_field_id)
156 {
157 global $ilDB;
158
159 $query = "DELETE FROM crs_user_data ".
160 "WHERE field_id = ".$ilDB->quote($a_field_id ,'integer');
161 $res = $ilDB->manipulate($query);
162 }
163
164 public function setValue($a_value)
165 {
166 $this->value = $a_value;
167 }
168 public function getValue()
169 {
170 return $this->value;
171 }
172
179 public function update()
180 {
181 $this->delete();
182 $this->create();
183 }
184
191 public function delete()
192 {
193 global $ilDB;
194
195 $query = "DELETE FROM crs_user_data ".
196 "WHERE usr_id = ".$this->db->quote($this->user_id ,'integer')." ".
197 "AND field_id = ".$this->db->quote($this->field_id ,'integer');
198 $res = $ilDB->manipulate($query);
199 }
200
207 public function create()
208 {
209 global $ilDB;
210
211 $query = "INSERT INTO crs_user_data (value,usr_id,field_id) ".
212 "VALUES( ".
213 $this->db->quote($this->getValue() ,'text').", ".
214 $this->db->quote($this->user_id ,'integer').", ".
215 $this->db->quote($this->field_id ,'integer')." ".
216 ")";
217
218 $res = $ilDB->manipulate($query);
219 }
220
226 private function read()
227 {
228 global $ilDB;
229
230 $query = "SELECT * FROM crs_user_data ".
231 "WHERE usr_id = ".$this->db->quote($this->user_id ,'integer')." ".
232 "AND field_id = ".$this->db->quote($this->field_id ,'integer');
233 $res = $this->db->query($query);
234 $row = $res->fetchRow(DB_FETCHMODE_OBJECT);
235
236 $this->setValue($row->value);
237
238 }
239}
240
241
242?>
const DB_FETCHMODE_OBJECT
Definition: class.ilDB.php:11
static _getFieldIds($a_container_id, $a_sort=IL_CDF_SORT_ID)
Get all field ids of a container.
static _getRequiredFieldIds($a_obj_id)
Get required filed id's.
static _deleteByField($a_field_id)
Delete by field.
static _deleteByUser($a_user_id)
Delete all entries of an user.
static _getValuesByObjId($a_obj_id)
Get values by obj_id (for all users)
__construct($a_user_id, $a_field_id=0)
Contructor.
static _checkRequired($a_usr_id, $a_obj_id)
Check required fields.
global $ilDB