includes/specials/SpecialMostlinkedcategories.php

   1 <?php
   2 /**
   3  * Implements Special:Mostlinkedcategories
   4  *
   5  * Copyright © 2005, Ævar Arnfjörð Bjarmason
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup SpecialPage
  24  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
  25  */
  26
  27 use MediaWiki\MediaWikiServices;
  28 use Wikimedia\Rdbms\IResultWrapper;
  29 use Wikimedia\Rdbms\IDatabase;
  30
  31 /**
  32  * A querypage to show categories ordered in descending order by the pages in them
  33  *
  34  * @ingroup SpecialPage
  35  */
  36 class MostlinkedCategoriesPage extends QueryPage {
  37         function __construct( $name = 'Mostlinkedcategories' ) {
  38                 parent::__construct( $name );
  39         }
  40
  41         function isSyndicated() {
  42                 return false;
  43         }
  44
  45         public function getQueryInfo() {
  46                 return [
  47                         'tables' => [ 'category' ],
  48                         'fields' => [ 'title' => 'cat_title',
  49                                 'namespace' => NS_CATEGORY,
  50                                 'value' => 'cat_pages' ],
  51                         'conds' => [ 'cat_pages > 0' ],
  52                 ];
  53         }
  54
  55         function sortDescending() {
  56                 return true;
  57         }
  58
  59         /**
  60          * Fetch user page links and cache their existence
  61          *
  62          * @param IDatabase $db
  63          * @param IResultWrapper $res
  64          */
  65         function preprocessResults( $db, $res ) {
  66                 $this->executeLBFromResultWrapper( $res );
  67         }
  68
  69         /**
  70          * @param Skin $skin
  71          * @param object $result Result row
  72          * @return string
  73          */
  74         function formatResult( $skin, $result ) {
  75                 $nt = Title::makeTitleSafe( NS_CATEGORY, $result->title );
  76                 if ( !$nt ) {
  77                         return Html::element(
  78                                 'span',
  79                                 [ 'class' => 'mw-invalidtitle' ],
  80                                 Linker::getInvalidTitleDescription(
  81                                         $this->getContext(),
  82                                         NS_CATEGORY,
  83                                         $result->title )
  84                         );
  85                 }
  86
  87                 $text = MediaWikiServices::getInstance()->getContentLanguage()
  88                         ->convert( htmlspecialchars( $nt->getText() ) );
  89                 $plink = $this->getLinkRenderer()->makeLink( $nt, new HtmlArmor( $text ) );
  90                 $nlinks = $this->msg( 'nmembers' )->numParams( $result->value )->escaped();
  91
  92                 return $this->getLanguage()->specialList( $plink, $nlinks );
  93         }
  94
  95         protected function getGroupName() {
  96                 return 'highuse';
  97         }
  98 }