Add new message 'showhideselectedlogentries' for revdel of logs.
[lhc/web/wiklou.git] / includes / specials / SpecialMostcategories.php
index 8f40a56..6de4840 100644 (file)
@@ -1,5 +1,8 @@
 <?php
 /**
+ * Implements Special:Mostcategories
+ *
+ * Copyright © 2005 Ævar Arnfjörð Bjarmason
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
- */
-
-/**
+ *
  * @file
  * @ingroup SpecialPage
- *
  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
- * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
- * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
  */
 
 /**
- * implements Special:Mostcategories
+ * A special page that list pages that have highest category count
+ *
  * @ingroup SpecialPage
  */
 class MostcategoriesPage extends QueryPage {
 
-       function getName() { return 'Mostcategories'; }
+       function __construct( $name = 'Mostcategories' ) {
+               parent::__construct( $name );
+       }
+
        function isExpensive() { return true; }
        function isSyndicated() { return false; }
 
-       function getSQL() {
-               $dbr = wfGetDB( DB_SLAVE );
-               list( $categorylinks, $page) = $dbr->tableNamesN( 'categorylinks', 'page' );
-               return
-                       "
-                       SELECT
-                               'Mostcategories' as type,
-                               page_namespace as namespace,
-                               page_title as title,
-                               COUNT(*) as value
-                       FROM $categorylinks
-                       LEFT JOIN $page ON cl_from = page_id
-                       WHERE page_namespace = " . NS_MAIN . "
-                       GROUP BY page_namespace, page_title
-                       HAVING COUNT(*) > 1
-                       ";
+       function getQueryInfo() {
+               return array (
+                       'tables' => array ( 'categorylinks', 'page' ),
+                       'fields' => array ( 'page_namespace AS namespace',
+                                       'page_title AS title',
+                                       'COUNT(*) AS value' ),
+                       'conds' => array ( 'page_namespace' => MWNamespace::getContentNamespaces() ),
+                       'options' => array ( 'HAVING' => 'COUNT(*) > 1',
+                               'GROUP BY' => array( 'page_namespace', 'page_title' ) ),
+                       'join_conds' => array ( 'page' => array ( 'LEFT JOIN',
+                                       'page_id = cl_from' ) )
+               );
        }
 
-       function formatResult( $skin, $result ) {
-               global $wgLang;
-               $title = Title::makeTitleSafe( $result->namespace, $result->title );
+       /**
+        * @param $db DatabaseBase
+        * @param $res
+        */
+       function preprocessResults( $db, $res ) {
+               # There's no point doing a batch check if we aren't caching results;
+               # the page must exist for it to have been pulled out of the table
+               if ( !$this->isCached() || !$res->numRows() ) {
+                       return;
+               }
+
+               $batch = new LinkBatch();
+               foreach ( $res as $row ) {
+                       $batch->add( $row->namespace, $row->title );
+               }
+               $batch->execute();
 
-               $count = wfMsgExt( 'ncategories', array( 'parsemag', 'escape' ), $wgLang->formatNum( $result->value ) );
-               $link = $skin->link( $title );
-               return wfSpecialList( $link, $count );
+               $res->seek( 0 );
        }
-}
 
-/**
- * constructor
- */
-function wfSpecialMostcategories() {
-       list( $limit, $offset ) = wfCheckLimits();
+       /**
+        * @param $skin Skin
+        * @param $result
+        * @return string
+        */
+       function formatResult( $skin, $result ) {
+               $title = Title::makeTitleSafe( $result->namespace, $result->title );
+               if ( !$title ) {
+                       return Html::element( 'span', array( 'class' => 'mw-invalidtitle' ),
+                               Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
+               }
 
-       $wpp = new MostcategoriesPage();
+               if ( $this->isCached() ) {
+                       $link = Linker::link( $title );
+               } else {
+                       $link = Linker::linkKnown( $title );
+               }
 
-       $wpp->doQuery( $offset, $limit );
+               $count = $this->msg( 'ncategories' )->numParams( $result->value )->escaped();
+
+               return $this->getLanguage()->specialList( $link, $count );
+       }
 }