MediaWiki fundraising/REL1_35
nukePage.php
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1<?php
26require_once __DIR__ . '/Maintenance.php';
27
33class NukePage extends Maintenance {
34 public function __construct() {
35 parent::__construct();
36 $this->addDescription( 'Remove a page record from the database' );
37 $this->addOption( 'delete', "Actually delete the page" );
38 $this->addArg( 'title', 'Title to delete' );
39 }
40
41 public function execute() {
42 $name = $this->getArg( 0 );
43 $delete = $this->hasOption( 'delete' );
44
45 $dbw = $this->getDB( DB_MASTER );
46 $this->beginTransaction( $dbw, __METHOD__ );
47
48 # Get page ID
49 $this->output( "Searching for \"$name\"..." );
50 $title = Title::newFromText( $name );
51 if ( $title ) {
52 $id = $title->getArticleID();
53 $real = $title->getPrefixedText();
54 $isGoodArticle = $title->isContentPage();
55 $this->output( "found \"$real\" with ID $id.\n" );
56
57 # Get corresponding revisions
58 $this->output( "Searching for revisions..." );
59
60 $revs = $dbw->selectFieldValues(
61 'revision',
62 'rev_id',
63 [ 'rev_page' => $id ],
64 __METHOD__
65 );
66 $count = count( $revs );
67 $this->output( "found $count.\n" );
68
69 # Delete the page record and associated recent changes entries
70 if ( $delete ) {
71 $this->output( "Deleting page record..." );
72 $dbw->delete( 'page', [ 'page_id' => $id ], __METHOD__ );
73 $this->output( "done.\n" );
74 $this->output( "Cleaning up recent changes..." );
75 $dbw->delete( 'recentchanges', [ 'rc_cur_id' => $id ], __METHOD__ );
76 $this->output( "done.\n" );
77 }
78
79 $this->commitTransaction( $dbw, __METHOD__ );
80
81 # Delete revisions as appropriate
82 if ( $delete && $count ) {
83 $this->output( "Deleting revisions..." );
84 $this->deleteRevisions( $revs );
85 $this->output( "done.\n" );
86 $this->purgeRedundantText( true );
87 }
88
89 # Update stats as appropriate
90 if ( $delete ) {
91 $this->output( "Updating site stats..." );
92 // if it was good, decrement that too
93 $ga = $isGoodArticle ? -1 : 0;
94 $stats = SiteStatsUpdate::factory( [
95 'edits' => -$count,
96 'articles' => $ga,
97 'pages' => -1
98 ] );
99 $stats->doUpdate();
100 $this->output( "done.\n" );
101 }
102 } else {
103 $this->output( "not found in database.\n" );
104 $this->commitTransaction( $dbw, __METHOD__ );
105 }
106 }
107
108 public function deleteRevisions( $ids ) {
109 $dbw = $this->getDB( DB_MASTER );
110 $this->beginTransaction( $dbw, __METHOD__ );
111
112 $dbw->delete( 'revision', [ 'rev_id' => $ids ], __METHOD__ );
113
114 $this->commitTransaction( $dbw, __METHOD__ );
115 }
116}
117
118$maintClass = NukePage::class;
119require_once RUN_MAINTENANCE_IF_MAIN;
getDB()
const RUN_MAINTENANCE_IF_MAIN
Abstract maintenance class for quickly writing and churning out maintenance scripts with minimal effo...
addArg( $arg, $description, $required=true)
Add some args that are needed.
beginTransaction(IDatabase $dbw, $fname)
Begin a transcation on a DB.
commitTransaction(IDatabase $dbw, $fname)
Commit the transcation on a DB handle and wait for replica DBs to catch up.
output( $out, $channel=null)
Throw some output to the user.
hasOption( $name)
Checks to see if a particular option was set.
purgeRedundantText( $delete=true)
Support function for cleaning up redundant text records.
getArg( $argId=0, $default=null)
Get an argument.
addDescription( $text)
Set the description text.
addOption( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
Add a parameter to the script.
Maintenance script that erases a page record from the database.
Definition nukePage.php:33
deleteRevisions( $ids)
Definition nukePage.php:108
__construct()
Default constructor.
Definition nukePage.php:34
execute()
Do the actual work.
Definition nukePage.php:41
$maintClass
Definition nukePage.php:118
const DB_MASTER
Definition defines.php:29