1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @author Jakob Sack
* @copyright 2012 Frank Karlitschek frank@owncloud.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
*
* The following SQL statement is just a help for developers and will not be
* executed!
*
* CREATE TABLE `appconfig` (
* `appid` VARCHAR( 255 ) NOT NULL ,
* `configkey` VARCHAR( 255 ) NOT NULL ,
* `configvalue` VARCHAR( 255 ) NOT NULL
* )
*
*/
/**
* This class provides an easy way for apps to store config values in the
* database.
*/
class OC_Appconfig{
/**
* @brief Get all apps using the config
* @return array with app ids
*
* This function returns a list of all apps that have at least one
* entry in the appconfig table.
*/
public static function getApps() {
// No magic in here!
$query = OC_DB::prepare( 'SELECT DISTINCT `appid` FROM `*PREFIX*appconfig`' );
$result = $query->execute();
$apps = array();
while( $row = $result->fetchRow()) {
$apps[] = $row["appid"];
}
return $apps;
}
/**
* @brief Get the available keys for an app
* @param string $app the app we are looking for
* @return array with key names
*
* This function gets all keys of an app. Please note that the values are
* not returned.
*/
public static function getKeys( $app ) {
// No magic in here as well
$query = OC_DB::prepare( 'SELECT `configkey` FROM `*PREFIX*appconfig` WHERE `appid` = ?' );
$result = $query->execute( array( $app ));
$keys = array();
while( $row = $result->fetchRow()) {
$keys[] = $row["configkey"];
}
return $keys;
}
/**
* @brief Gets the config value
* @param string $app app
* @param string $key key
* @param string $default = null, default value if the key does not exist
* @return string the value or $default
*
* This function gets a value from the appconfig table. If the key does
* not exist the default value will be returned
*/
public static function getValue( $app, $key, $default = null ) {
// At least some magic in here :-)
$query = OC_DB::prepare( 'SELECT `configvalue` FROM `*PREFIX*appconfig` WHERE `appid` = ? AND `configkey` = ?' );
$result = $query->execute( array( $app, $key ));
$row = $result->fetchRow();
if($row) {
return $row["configvalue"];
}else{
return $default;
}
}
/**
* @brief check if a key is set in the appconfig
* @param string $app
* @param string $key
* @return bool
*/
public static function hasKey($app, $key) {
$exists = self::getKeys( $app );
return in_array( $key, $exists );
}
/**
* @brief sets a value in the appconfig
* @param string $app app
* @param string $key key
* @param string $value value
* @return bool
*
* Sets a value. If the key did not exist before it will be created.
*/
public static function setValue( $app, $key, $value ) {
// Does the key exist? yes: update. No: insert
if(! self::hasKey($app, $key)) {
$query = OC_DB::prepare( 'INSERT INTO `*PREFIX*appconfig` ( `appid`, `configkey`, `configvalue` ) VALUES( ?, ?, ? )' );
$query->execute( array( $app, $key, $value ));
}
else{
$query = OC_DB::prepare( 'UPDATE `*PREFIX*appconfig` SET `configvalue` = ? WHERE `appid` = ? AND `configkey` = ?' );
$query->execute( array( $value, $app, $key ));
}
}
/**
* @brief Deletes a key
* @param string $app app
* @param string $key key
* @return bool
*
* Deletes a key.
*/
public static function deleteKey( $app, $key ) {
// Boring!
$query = OC_DB::prepare( 'DELETE FROM `*PREFIX*appconfig` WHERE `appid` = ? AND `configkey` = ?' );
$query->execute( array( $app, $key ));
return true;
}
/**
* @brief Remove app from appconfig
* @param string $app app
* @return bool
*
* Removes all keys in appconfig belonging to the app.
*/
public static function deleteApp( $app ) {
// Nothing special
$query = OC_DB::prepare( 'DELETE FROM `*PREFIX*appconfig` WHERE `appid` = ?' );
$query->execute( array( $app ));
return true;
}
/**
* get multiply values, either the app or key can be used as wildcard by setting it to false
* @param app
* @param key
* @return array
*/
public static function getValues($app, $key) {
if($app!==false and $key!==false) {
return false;
}
$fields='`configvalue`';
$where='WHERE';
$params=array();
if($app!==false) {
$fields.=', `configkey`';
$where.=' `appid` = ?';
$params[]=$app;
$key='configkey';
}else{
$fields.=', `appid`';
$where.=' `configkey` = ?';
$params[]=$key;
$key='appid';
}
$queryString='SELECT '.$fields.' FROM `*PREFIX*appconfig` '.$where;
$query=OC_DB::prepare($queryString);
$result=$query->execute($params);
$values=array();
while($row=$result->fetchRow()) {
$values[$row[$key]]=$row['configvalue'];
}
return $values;
}
}
|
