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1 | <?php |
2 | /** |
3 | * Erase a page record from the database |
4 | * Irreversible (can't use standard undelete) and does not update link tables |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; if not, write to the Free Software Foundation, Inc., |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
19 | * http://www.gnu.org/copyleft/gpl.html |
20 | * |
21 | * @file |
22 | * @ingroup Maintenance |
23 | * @author Rob Church <robchur@gmail.com> |
24 | */ |
25 | |
26 | require_once __DIR__ . '/Maintenance.php'; |
27 | |
28 | use MediaWiki\Deferred\SiteStatsUpdate; |
29 | use MediaWiki\Title\Title; |
30 | |
31 | /** |
32 | * Maintenance script that erases a page record from the database. |
33 | * |
34 | * @ingroup Maintenance |
35 | */ |
36 | class NukePage extends Maintenance { |
37 | public function __construct() { |
38 | parent::__construct(); |
39 | $this->addDescription( 'Remove a page record from the database' ); |
40 | $this->addOption( 'delete', "Actually delete the page" ); |
41 | $this->addArg( 'title', 'Title to delete' ); |
42 | } |
43 | |
44 | public function execute() { |
45 | $name = $this->getArg( 0 ); |
46 | $delete = $this->hasOption( 'delete' ); |
47 | |
48 | $dbw = $this->getPrimaryDB(); |
49 | $this->beginTransaction( $dbw, __METHOD__ ); |
50 | |
51 | # Get page ID |
52 | $this->output( "Searching for \"$name\"..." ); |
53 | $title = Title::newFromText( $name ); |
54 | if ( $title ) { |
55 | $id = $title->getArticleID(); |
56 | $real = $title->getPrefixedText(); |
57 | $isGoodArticle = $title->isContentPage(); |
58 | $this->output( "found \"$real\" with ID $id.\n" ); |
59 | |
60 | # Get corresponding revisions |
61 | $this->output( "Searching for revisions..." ); |
62 | |
63 | $revs = $dbw->newSelectQueryBuilder() |
64 | ->select( 'rev_id' ) |
65 | ->from( 'revision' ) |
66 | ->where( [ 'rev_page' => $id ] ) |
67 | ->caller( __METHOD__ )->fetchFieldValues(); |
68 | $count = count( $revs ); |
69 | $this->output( "found $count.\n" ); |
70 | |
71 | # Delete the page record and associated recent changes entries |
72 | if ( $delete ) { |
73 | $this->output( "Deleting page record..." ); |
74 | $dbw->newDeleteQueryBuilder() |
75 | ->deleteFrom( 'page' ) |
76 | ->where( [ 'page_id' => $id ] ) |
77 | ->caller( __METHOD__ )->execute(); |
78 | $this->output( "done.\n" ); |
79 | $this->output( "Cleaning up recent changes..." ); |
80 | $dbw->newDeleteQueryBuilder() |
81 | ->deleteFrom( 'recentchanges' ) |
82 | ->where( [ 'rc_cur_id' => $id ] ) |
83 | ->caller( __METHOD__ )->execute(); |
84 | $this->output( "done.\n" ); |
85 | } |
86 | |
87 | $this->commitTransaction( $dbw, __METHOD__ ); |
88 | |
89 | # Delete revisions as appropriate |
90 | if ( $delete && $count ) { |
91 | $this->output( "Deleting revisions..." ); |
92 | $this->deleteRevisions( $revs ); |
93 | $this->output( "done.\n" ); |
94 | $this->purgeRedundantText( true ); |
95 | } |
96 | |
97 | # Update stats as appropriate |
98 | if ( $delete ) { |
99 | $this->output( "Updating site stats..." ); |
100 | // if it was good, decrement that too |
101 | $ga = $isGoodArticle ? -1 : 0; |
102 | $stats = SiteStatsUpdate::factory( [ |
103 | 'edits' => -$count, |
104 | 'articles' => $ga, |
105 | 'pages' => -1 |
106 | ] ); |
107 | $stats->doUpdate(); |
108 | $this->output( "done.\n" ); |
109 | } |
110 | } else { |
111 | $this->output( "not found in database.\n" ); |
112 | $this->commitTransaction( $dbw, __METHOD__ ); |
113 | } |
114 | } |
115 | |
116 | public function deleteRevisions( $ids ) { |
117 | $dbw = $this->getPrimaryDB(); |
118 | $this->beginTransaction( $dbw, __METHOD__ ); |
119 | |
120 | $dbw->newDeleteQueryBuilder() |
121 | ->deleteFrom( 'revision' ) |
122 | ->where( [ 'rev_id' => $ids ] ) |
123 | ->caller( __METHOD__ )->execute(); |
124 | |
125 | $this->commitTransaction( $dbw, __METHOD__ ); |
126 | } |
127 | } |
128 | |
129 | $maintClass = NukePage::class; |
130 | require_once RUN_MAINTENANCE_IF_MAIN; |