MediaWiki 1.30.2

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

diff --git a/includes/specials/SpecialMostlinked.php b/includes/specials/SpecialMostlinked.php
index c731588a76c3b9e4e212504da35112d3ad4aedac..fbfaa73831f2dcc7994731e1cc74125a61bfc84d 100644 (file)
--- a/includes/specials/SpecialMostlinked.php
+++ b/includes/specials/SpecialMostlinked.php
@@ -25,103 +25,111 @@
  * @author Rob Church <robchur@gmail.com>
  */
 
+use Wikimedia\Rdbms\ResultWrapper;
+use Wikimedia\Rdbms\IDatabase;
+
 /**
  * A special page to show pages ordered by the number of pages linking to them.
  *
  * @ingroup SpecialPage
  */
 class MostlinkedPage extends QueryPage {
+       function __construct( $name = 'Mostlinked' ) {
+               parent::__construct( $name );
+       }
 
-       function getName() { return 'Mostlinked'; }
-       function isExpensive() { return true; }
-       function isSyndicated() { return false; }
-
-       function getSQL() {
-               global $wgMiserMode;
-
-               $dbr = wfGetDB( DB_SLAVE );
+       public function isExpensive() {
+               return true;
+       }
 
-               # In miser mode, reduce the query cost by adding a threshold for large wikis
-               if ( $wgMiserMode ) {
-                       $numPages = SiteStats::pages();
-                       if ( $numPages > 10000 ) {
-                               $cutoff = 100;
-                       } elseif ( $numPages > 100 ) {
-                               $cutoff = intval( sqrt( $numPages ) );
-                       } else {
-                               $cutoff = 1;
-                       }
-               } else {
-                       $cutoff = 1;
-               }
+       function isSyndicated() {
+               return false;
+       }
 
-               list( $pagelinks, $page ) = $dbr->tableNamesN( 'pagelinks', 'page' );
-               return
-                       "SELECT 'Mostlinked' AS type,
-                               pl_namespace AS namespace,
-                               pl_title AS title,
-                               COUNT(*) AS value
-                       FROM $pagelinks
-                       LEFT JOIN $page ON pl_namespace=page_namespace AND pl_title=page_title
-                       GROUP BY pl_namespace, pl_title
-                       HAVING COUNT(*) > $cutoff";
+       public function getQueryInfo() {
+               return [
+                       'tables' => [ 'pagelinks', 'page' ],
+                       'fields' => [
+                               'namespace' => 'pl_namespace',
+                               'title' => 'pl_title',
+                               'value' => 'COUNT(*)',
+                               'page_namespace'
+                       ],
+                       'options' => [
+                               'HAVING' => 'COUNT(*) > 1',
+                               'GROUP BY' => [
+                                       'pl_namespace', 'pl_title',
+                                       'page_namespace'
+                               ]
+                       ],
+                       'join_conds' => [
+                               'page' => [
+                                       'LEFT JOIN',
+                                       [
+                                               'page_namespace = pl_namespace',
+                                               'page_title = pl_title'
+                                       ]
+                               ]
+                       ]
+               ];
        }
 
        /**
         * Pre-fill the link cache
+        *
+        * @param IDatabase $db
+        * @param ResultWrapper $res
         */
        function preprocessResults( $db, $res ) {
-               if( $db->numRows( $res ) > 0 ) {
-                       $linkBatch = new LinkBatch();
-                       foreach ( $res as $row ) {
-                               $linkBatch->add( $row->namespace, $row->title );
-                       }
-                       $db->dataSeek( $res, 0 );
-                       $linkBatch->execute();
-               }
+               $this->executeLBFromResultWrapper( $res );
        }
 
        /**
         * Make a link to "what links here" for the specified title
         *
-        * @param $title Title being queried
-        * @param $caption String: text to display on the link
-        * @param $skin Skin to use
-        * @return String
+        * @param Title $title Title being queried
+        * @param string $caption Text to display on the link
+        * @return string
         */
-       function makeWlhLink( &$title, $caption, &$skin ) {
+       function makeWlhLink( $title, $caption ) {
                $wlh = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedDBkey() );
-               return $skin->linkKnown( $wlh, $caption );
+
+               $linkRenderer = $this->getLinkRenderer();
+               return $linkRenderer->makeKnownLink( $wlh, $caption );
        }
 
        /**
-        * Make links to the page corresponding to the item, and the "what links here" page for it
+        * Make links to the page corresponding to the item,
+        * and the "what links here" page for it
         *
-        * @param $skin Skin to be used
-        * @param $result Result row
+        * @param Skin $skin Skin to be used
+        * @param object $result Result row
         * @return string
         */
        function formatResult( $skin, $result ) {
-               global $wgLang;
                $title = Title::makeTitleSafe( $result->namespace, $result->title );
                if ( !$title ) {
-                       return '<!-- ' . htmlspecialchars( "Invalid title: [[$title]]" ) . ' -->';
+                       return Html::element(
+                               'span',
+                               [ 'class' => 'mw-invalidtitle' ],
+                               Linker::getInvalidTitleDescription(
+                                       $this->getContext(),
+                                       $result->namespace,
+                                       $result->title )
+                       );
                }
-               $link = $skin->link( $title );
-               $wlh = $this->makeWlhLink( $title,
-                       wfMsgExt( 'nlinks', array( 'parsemag', 'escape'),
-                               $wgLang->formatNum( $result->value ) ), $skin );
-               return wfSpecialList( $link, $wlh );
-       }
-}
 
-/**
- * constructor
- */
-function wfSpecialMostlinked() {
-       list( $limit, $offset ) = wfCheckLimits();
+               $linkRenderer = $this->getLinkRenderer();
+               $link = $linkRenderer->makeLink( $title );
+               $wlh = $this->makeWlhLink(
+                       $title,
+                       $this->msg( 'nlinks' )->numParams( $result->value )->text()
+               );
 
-       $wpp = new MostlinkedPage();
+               return $this->getLanguage()->specialList( $link, $wlh );
+       }
 
-       $wpp->doQuery( $offset, $limit );
+       protected function getGroupName() {
+               return 'highuse';
+       }
 }