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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 | // @codeCoverageIgnoreStart |
27 | require_once __DIR__ . '/Maintenance.php'; |
28 | // @codeCoverageIgnoreEnd |
29 | |
30 | use MediaWiki\Deferred\SiteStatsUpdate; |
31 | use MediaWiki\Maintenance\Maintenance; |
32 | use MediaWiki\Title\Title; |
33 | |
34 | /** |
35 | * Maintenance script that erases a page record from the database. |
36 | * |
37 | * @ingroup Maintenance |
38 | */ |
39 | class NukePage extends Maintenance { |
40 | public function __construct() { |
41 | parent::__construct(); |
42 | $this->addDescription( 'Remove a page record from the database' ); |
43 | $this->addOption( 'delete', "Actually delete the page" ); |
44 | $this->addArg( 'title', 'Title to delete' ); |
45 | } |
46 | |
47 | public function execute() { |
48 | $name = $this->getArg( 0 ); |
49 | $delete = $this->hasOption( 'delete' ); |
50 | |
51 | $dbw = $this->getPrimaryDB(); |
52 | $this->beginTransaction( $dbw, __METHOD__ ); |
53 | |
54 | # Get page ID |
55 | $this->output( "Searching for \"$name\"..." ); |
56 | $title = Title::newFromText( $name ); |
57 | if ( $title ) { |
58 | $id = $title->getArticleID(); |
59 | $real = $title->getPrefixedText(); |
60 | $isGoodArticle = $title->isContentPage(); |
61 | $this->output( "found \"$real\" with ID $id.\n" ); |
62 | |
63 | # Get corresponding revisions |
64 | $this->output( "Searching for revisions..." ); |
65 | |
66 | $revs = $dbw->newSelectQueryBuilder() |
67 | ->select( 'rev_id' ) |
68 | ->from( 'revision' ) |
69 | ->where( [ 'rev_page' => $id ] ) |
70 | ->caller( __METHOD__ )->fetchFieldValues(); |
71 | $count = count( $revs ); |
72 | $this->output( "found $count.\n" ); |
73 | |
74 | # Delete the page record and associated recent changes entries |
75 | if ( $delete ) { |
76 | $this->output( "Deleting page record..." ); |
77 | $dbw->newDeleteQueryBuilder() |
78 | ->deleteFrom( 'page' ) |
79 | ->where( [ 'page_id' => $id ] ) |
80 | ->caller( __METHOD__ )->execute(); |
81 | $this->output( "done.\n" ); |
82 | $this->output( "Cleaning up recent changes..." ); |
83 | $dbw->newDeleteQueryBuilder() |
84 | ->deleteFrom( 'recentchanges' ) |
85 | ->where( [ 'rc_cur_id' => $id ] ) |
86 | ->caller( __METHOD__ )->execute(); |
87 | $this->output( "done.\n" ); |
88 | } |
89 | |
90 | $this->commitTransaction( $dbw, __METHOD__ ); |
91 | |
92 | # Delete revisions as appropriate |
93 | if ( $delete && $count ) { |
94 | $this->output( "Deleting revisions..." ); |
95 | $this->deleteRevisions( $revs ); |
96 | $this->output( "done.\n" ); |
97 | $this->purgeRedundantText( true ); |
98 | } |
99 | |
100 | # Update stats as appropriate |
101 | if ( $delete ) { |
102 | $this->output( "Updating site stats..." ); |
103 | // if it was good, decrement that too |
104 | $ga = $isGoodArticle ? -1 : 0; |
105 | $stats = SiteStatsUpdate::factory( [ |
106 | 'edits' => -$count, |
107 | 'articles' => $ga, |
108 | 'pages' => -1 |
109 | ] ); |
110 | $stats->doUpdate(); |
111 | $this->output( "done.\n" ); |
112 | } |
113 | } else { |
114 | $this->output( "not found in database.\n" ); |
115 | $this->commitTransaction( $dbw, __METHOD__ ); |
116 | } |
117 | } |
118 | |
119 | public function deleteRevisions( $ids ) { |
120 | $dbw = $this->getPrimaryDB(); |
121 | $this->beginTransaction( $dbw, __METHOD__ ); |
122 | |
123 | $dbw->newDeleteQueryBuilder() |
124 | ->deleteFrom( 'revision' ) |
125 | ->where( [ 'rev_id' => $ids ] ) |
126 | ->caller( __METHOD__ )->execute(); |
127 | |
128 | $this->commitTransaction( $dbw, __METHOD__ ); |
129 | } |
130 | } |
131 | |
132 | // @codeCoverageIgnoreStart |
133 | $maintClass = NukePage::class; |
134 | require_once RUN_MAINTENANCE_IF_MAIN; |
135 | // @codeCoverageIgnoreEnd |