MediaWiki master
SpecialListRedirects.php
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1<?php
27namespace MediaWiki\Specials;
28
34use Skin;
35use stdClass;
39
45
46 private LinkBatchFactory $linkBatchFactory;
47 private WikiPageFactory $wikiPageFactory;
48 private RedirectLookup $redirectLookup;
49
56 public function __construct(
57 LinkBatchFactory $linkBatchFactory,
58 IConnectionProvider $dbProvider,
59 WikiPageFactory $wikiPageFactory,
60 RedirectLookup $redirectLookup
61 ) {
62 parent::__construct( 'Listredirects' );
63 $this->linkBatchFactory = $linkBatchFactory;
64 $this->setDatabaseProvider( $dbProvider );
65 $this->wikiPageFactory = $wikiPageFactory;
66 $this->redirectLookup = $redirectLookup;
67 }
68
69 public function isExpensive() {
70 return true;
71 }
72
73 public function isSyndicated() {
74 return false;
75 }
76
77 protected function sortDescending() {
78 return false;
79 }
80
81 public function getQueryInfo() {
82 return [
83 'tables' => [ 'page', 'redirect' ],
84 'fields' => [ 'namespace' => 'page_namespace',
85 'title' => 'page_title',
86 'rd_namespace',
87 'rd_title',
88 'rd_fragment',
89 'rd_interwiki',
90 ],
91 'conds' => [ 'page_is_redirect' => 1 ],
92 'join_conds' => [ 'redirect' => [
93 'LEFT JOIN', 'rd_from=page_id' ],
94 ]
95 ];
96 }
97
98 protected function getOrderFields() {
99 return [ 'page_namespace', 'page_title' ];
100 }
101
108 public function preprocessResults( $db, $res ) {
109 if ( !$res->numRows() ) {
110 return;
111 }
112
113 $batch = $this->linkBatchFactory->newLinkBatch();
114 foreach ( $res as $row ) {
115 $batch->add( $row->namespace, $row->title );
116 $redirTarget = $this->getRedirectTarget( $row );
117 if ( $redirTarget ) {
118 $batch->addObj( $redirTarget );
119 }
120 }
121 $batch->execute();
122
123 // Back to start for display
124 $res->seek( 0 );
125 }
126
131 protected function getRedirectTarget( $row ) {
132 if ( isset( $row->rd_title ) ) {
133 return Title::makeTitle(
134 $row->rd_namespace,
135 $row->rd_title,
136 $row->rd_fragment,
137 $row->rd_interwiki
138 );
139 } else {
140 $title = Title::makeTitle( $row->namespace, $row->title );
141 if ( !$title->canExist() ) {
142 return null;
143 }
144
145 return Title::castFromLinkTarget(
146 $this->redirectLookup->getRedirectTarget( $title )
147 );
148 }
149 }
150
156 public function formatResult( $skin, $result ) {
157 $linkRenderer = $this->getLinkRenderer();
158 # Make a link to the redirect itself
159 $rd_title = Title::makeTitle( $result->namespace, $result->title );
160 $rd_link = $linkRenderer->makeLink(
161 $rd_title,
162 null,
163 [],
164 [ 'redirect' => 'no' ]
165 );
166
167 # Find out where the redirect leads
168 $target = $this->getRedirectTarget( $result );
169 if ( $target ) {
170 # Make a link to the destination page
171 $lang = $this->getLanguage();
172 $arr = $lang->getArrow() . $lang->getDirMark();
173 $targetLink = $linkRenderer->makeLink( $target, $target->getFullText() );
174
175 return "$rd_link $arr $targetLink";
176 } else {
177 return "<del>$rd_link</del>";
178 }
179 }
180
181 public function execute( $par ) {
182 $this->addHelpLink( 'Help:Redirects' );
183 parent::execute( $par );
184 }
185
186 protected function getGroupName() {
187 return 'pages';
188 }
189}
190
194class_alias( SpecialListRedirects::class, 'SpecialListRedirects' );
Service for creating WikiPage objects.
This is a class for doing query pages; since they're almost all the same, we factor out some of the f...
Definition QueryPage.php:88
setDatabaseProvider(IConnectionProvider $databaseProvider)
getLanguage()
Shortcut to get user's language.
addHelpLink( $to, $overrideBaseUrl=false)
Adds help link with an icon via page indicators.
Special:Listredirects - Lists all the redirects on the wiki.
getGroupName()
Under which header this special page is listed in Special:SpecialPages See messages 'specialpages-gro...
getOrderFields()
Subclasses return an array of fields to order by here.
sortDescending()
Override to sort by increasing values.
isSyndicated()
Sometimes we don't want to build rss / atom feeds.
execute( $par)
This is the actual workhorse.
__construct(LinkBatchFactory $linkBatchFactory, IConnectionProvider $dbProvider, WikiPageFactory $wikiPageFactory, RedirectLookup $redirectLookup)
isExpensive()
Should this query page only be updated offline on large wikis?
preprocessResults( $db, $res)
Cache page existence for performance.
getQueryInfo()
Subclasses return an SQL query here, formatted as an array with the following keys: tables => Table(s...
Represents a title within MediaWiki.
Definition Title.php:78
The base class for all skins.
Definition Skin.php:58
Service for resolving a wiki page redirect.
Provide primary and replica IDatabase connections.
Basic database interface for live and lazy-loaded relation database handles.
Definition IDatabase.php:36
Result wrapper for grabbing data queried from an IDatabase object.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU Ge...