MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / specials / SpecialUnwatchedpages.php

diff --git a/includes/specials/SpecialUnwatchedpages.php b/includes/specials/SpecialUnwatchedpages.php
index ecd62cb7c97e06b54ae7c82eaba13a526dad9571..fea7e2160da1d184b8a8b3a615dfa0b89ed0df4d 100644 (file)
--- a/includes/specials/SpecialUnwatchedpages.php
+++ b/includes/specials/SpecialUnwatchedpages.php
@@ -24,6 +24,9 @@
  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
  */
 
+use Wikimedia\Rdbms\ResultWrapper;
+use Wikimedia\Rdbms\IDatabase;
+
 /**
  * A special page that displays a list of pages that are not on anyones watchlist.
  *
@@ -31,62 +34,105 @@
  */
 class UnwatchedpagesPage extends QueryPage {
 
-       function getName() { return 'Unwatchedpages'; }
-       function isExpensive() { return true; }
-       function isSyndicated() { return false; }
-
-       function getSQL() {
-               $dbr = wfGetDB( DB_SLAVE );
-               list( $page, $watchlist ) = $dbr->tableNamesN( 'page', 'watchlist' );
-               $mwns = NS_MEDIAWIKI;
-               return
-                       "
-                       SELECT
-                               'Unwatchedpages' as type,
-                               page_namespace as namespace,
-                               page_title as title,
-                               page_namespace as value
-                       FROM $page
-                       LEFT JOIN $watchlist ON wl_namespace = page_namespace AND page_title = wl_title
-                       WHERE wl_title IS NULL AND page_is_redirect = 0 AND page_namespace<>$mwns
-                       ";
+       function __construct( $name = 'Unwatchedpages' ) {
+               parent::__construct( $name, 'unwatchedpages' );
+       }
+
+       public function isExpensive() {
+               return true;
+       }
+
+       function isSyndicated() {
+               return false;
+       }
+
+       /**
+        * Pre-cache page existence to speed up link generation
+        *
+        * @param IDatabase $db
+        * @param ResultWrapper $res
+        */
+       public function preprocessResults( $db, $res ) {
+               if ( !$res->numRows() ) {
+                       return;
+               }
+
+               $batch = new LinkBatch();
+               foreach ( $res as $row ) {
+                       $batch->add( $row->namespace, $row->title );
+               }
+               $batch->execute();
+
+               $res->seek( 0 );
+       }
+
+       public function getQueryInfo() {
+               $dbr = wfGetDB( DB_REPLICA );
+               return [
+                       'tables' => [ 'page', 'watchlist' ],
+                       'fields' => [
+                               'namespace' => 'page_namespace',
+                               'title' => 'page_title',
+                               'value' => 'page_namespace'
+                       ],
+                       'conds' => [
+                               'wl_title IS NULL',
+                               'page_is_redirect' => 0,
+                               'page_namespace != ' . $dbr->addQuotes( NS_MEDIAWIKI ),
+                       ],
+                       'join_conds' => [ 'watchlist' => [
+                               'LEFT JOIN', [ 'wl_title = page_title',
+                                       'wl_namespace = page_namespace' ] ] ]
+               ];
+       }
+
+       function sortDescending() {
+               return false;
+       }
+
+       function getOrderFields() {
+               return [ 'page_namespace', 'page_title' ];
        }
 
-       function sortDescending() { return false; }
+       /**
+        * Add the JS
+        * @param string|null $par
+        */
+       public function execute( $par ) {
+               parent::execute( $par );
+               $this->getOutput()->addModules( 'mediawiki.special.unwatchedPages' );
+       }
 
+       /**
+        * @param Skin $skin
+        * @param object $result Result row
+        * @return string
+        */
        function formatResult( $skin, $result ) {
                global $wgContLang;
 
-               $nt = Title::makeTitle( $result->namespace, $result->title );
+               $nt = Title::makeTitleSafe( $result->namespace, $result->title );
+               if ( !$nt ) {
+                       return Html::element( 'span', [ 'class' => 'mw-invalidtitle' ],
+                               Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
+               }
+
                $text = $wgContLang->convert( $nt->getPrefixedText() );
 
-               $plink = $skin->linkKnown(
-                       $nt,
-                       htmlspecialchars( $text )
-               );
-               $wlink = $skin->linkKnown(
+               $linkRenderer = $this->getLinkRenderer();
+
+               $plink = $linkRenderer->makeKnownLink( $nt, $text );
+               $wlink = $linkRenderer->makeKnownLink(
                        $nt,
-                       wfMsgHtml( 'watch' ),
-                       array(),
-                       array( 'action' => 'watch' )
+                       $this->msg( 'watch' )->text(),
+                       [ 'class' => 'mw-watch-link' ],
+                       [ 'action' => 'watch' ]
                );
 
-               return wfSpecialList( $plink, $wlink );
+               return $this->getLanguage()->specialList( $plink, $wlink );
        }
-}
 
-/**
- * constructor
- */
-function wfSpecialUnwatchedpages() {
-       global $wgUser, $wgOut;
-
-       if ( ! $wgUser->isAllowed( 'unwatchedpages' ) )
-               return $wgOut->permissionRequired( 'unwatchedpages' );
-
-       list( $limit, $offset ) = wfCheckLimits();
-
-       $wpp = new UnwatchedpagesPage();
-
-       $wpp->doQuery( $offset, $limit );
+       protected function getGroupName() {
+               return 'maintenance';
+       }
 }