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1 | <?php |
2 | /** |
3 | * Class to walk into a list of User objects. |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by |
7 | * the Free Software Foundation; either version 2 of the License, or |
8 | * (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU General Public License along |
16 | * with this program; if not, write to the Free Software Foundation, Inc., |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
18 | * http://www.gnu.org/copyleft/gpl.html |
19 | * |
20 | * @file |
21 | */ |
22 | |
23 | namespace MediaWiki\User; |
24 | |
25 | use ArrayIterator; |
26 | use Iterator; |
27 | use MediaWiki\HookContainer\HookRunner; |
28 | use MediaWiki\MediaWikiServices; |
29 | use Wikimedia\Rdbms\IResultWrapper; |
30 | |
31 | abstract class UserArray implements Iterator { |
32 | /** |
33 | * @note Try to avoid in new code, in case getting UserIdentity batch is enough, |
34 | * use {@link \MediaWiki\User\UserIdentityLookup::newSelectQueryBuilder()}. |
35 | * In case you need full User objects, you can keep using this method, but it's |
36 | * moving towards deprecation. |
37 | * |
38 | * @param IResultWrapper $res |
39 | * @return UserArrayFromResult|ArrayIterator |
40 | */ |
41 | public static function newFromResult( $res ) { |
42 | $userArray = null; |
43 | $hookRunner = new HookRunner( MediaWikiServices::getInstance()->getHookContainer() ); |
44 | if ( !$hookRunner->onUserArrayFromResult( $userArray, $res ) ) { |
45 | return new ArrayIterator( [] ); |
46 | } |
47 | return $userArray ?? new UserArrayFromResult( $res ); |
48 | } |
49 | |
50 | /** |
51 | * @note Try to avoid in new code, in case getting UserIdentity batch is enough, |
52 | * use {@link \MediaWiki\User\UserIdentityLookup::newSelectQueryBuilder()}. |
53 | * In case you need full User objects, you can keep using this method, but it's |
54 | * moving towards deprecation. |
55 | * |
56 | * @param array $ids |
57 | * @return UserArrayFromResult|ArrayIterator |
58 | */ |
59 | public static function newFromIDs( $ids ) { |
60 | $ids = array_map( 'intval', (array)$ids ); // paranoia |
61 | if ( !$ids ) { |
62 | // Database::select() doesn't like empty arrays |
63 | return new ArrayIterator( [] ); |
64 | } |
65 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
66 | $res = User::newQueryBuilder( $dbr ) |
67 | ->where( [ 'user_id' => array_unique( $ids ) ] ) |
68 | ->caller( __METHOD__ ) |
69 | ->fetchResultSet(); |
70 | return self::newFromResult( $res ); |
71 | } |
72 | |
73 | /** |
74 | * @note Try to avoid in new code, in case getting UserIdentity batch is enough, |
75 | * use {@link \MediaWiki\User\UserIdentityLookup::newSelectQueryBuilder()}. |
76 | * In case you need full User objects, you can keep using this method, but it's |
77 | * moving towards deprecation. |
78 | * |
79 | * @since 1.25 |
80 | * @param array $names |
81 | * @return UserArrayFromResult|ArrayIterator |
82 | */ |
83 | public static function newFromNames( $names ) { |
84 | $names = array_map( 'strval', (array)$names ); // paranoia |
85 | if ( !$names ) { |
86 | // Database::select() doesn't like empty arrays |
87 | return new ArrayIterator( [] ); |
88 | } |
89 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
90 | $res = User::newQueryBuilder( $dbr ) |
91 | ->where( [ 'user_name' => array_unique( $names ) ] ) |
92 | ->caller( __METHOD__ ) |
93 | ->fetchResultSet(); |
94 | return self::newFromResult( $res ); |
95 | } |
96 | |
97 | /** |
98 | * @return User |
99 | */ |
100 | abstract public function current(): User; |
101 | |
102 | /** |
103 | * @return int |
104 | */ |
105 | abstract public function key(): int; |
106 | } |
107 | |
108 | /** @deprecated class alias since 1.41 */ |
109 | class_alias( UserArray::class, 'UserArray' ); |