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
|
<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\User;
use InvalidArgumentException;
use MediaWiki\Block\HideUserUtils;
use MediaWiki\Permissions\Authority;
use Wikimedia\Rdbms\IConnectionProvider;
use Wikimedia\Rdbms\IExpression;
use Wikimedia\Rdbms\LikeValue;
/**
* Handles searching prefixes of user names
*
* @note There are two classes called UserNamePrefixSearch. You should use this class, in
* namespace MediaWiki\User, which is a service. \UserNamePrefixSearch is a deprecated static wrapper
* that forwards to the service class.
*
* @since 1.36
* @ingroup User
* @author DannyS712
*/
class UserNamePrefixSearch {
public const AUDIENCE_PUBLIC = 'public';
private IConnectionProvider $dbProvider;
private UserNameUtils $userNameUtils;
private HideUserUtils $hideUserUtils;
/**
* @param IConnectionProvider $dbProvider
* @param UserNameUtils $userNameUtils
* @param HideUserUtils $hideUserUtils
*/
public function __construct(
IConnectionProvider $dbProvider,
UserNameUtils $userNameUtils,
HideUserUtils $hideUserUtils
) {
$this->dbProvider = $dbProvider;
$this->userNameUtils = $userNameUtils;
$this->hideUserUtils = $hideUserUtils;
}
/**
* Do a prefix search of user names and return a list of matching user names.
*
* @param string|Authority $audience Either AUDIENCE_PUBLIC or a user to
* show the search for
* @param string $search
* @param int $limit
* @param int $offset How many results to offset from the beginning
* @return string[]
* @throws InvalidArgumentException if $audience is invalid
*/
public function search( $audience, string $search, int $limit, int $offset = 0 ): array {
if ( $audience !== self::AUDIENCE_PUBLIC &&
!( $audience instanceof Authority )
) {
throw new InvalidArgumentException(
'$audience must be AUDIENCE_PUBLIC or an Authority object'
);
}
// Invalid user names are treated as empty strings
$prefix = $this->userNameUtils->getCanonical( $search ) ?: '';
$dbr = $this->dbProvider->getReplicaDatabase();
$queryBuilder = $dbr->newSelectQueryBuilder()
->select( 'user_name' )
->from( 'user' )
->where( $dbr->expr( 'user_name', IExpression::LIKE, new LikeValue( $prefix, $dbr->anyString() ) ) )
->orderBy( 'user_name' )
->limit( $limit )
->offset( $offset );
// Filter out hidden user names
if ( $audience === self::AUDIENCE_PUBLIC || !$audience->isAllowed( 'hideuser' ) ) {
$queryBuilder->andWhere( $this->hideUserUtils->getExpression( $dbr ) );
}
return $queryBuilder->caller( __METHOD__ )->fetchFieldValues();
}
}
|
