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 Wikimedia\Rdbms\ResultWrapper;
  28 use Wikimedia\Rdbms\IDatabase;
  29
  30 /**
  31  * A querypage to show categories ordered in descending order by the pages in them
  32  *
  33  * @ingroup SpecialPage
  34  */
  35 class MostlinkedCategoriesPage extends QueryPage {
  36         function __construct( $name = 'Mostlinkedcategories' ) {
  37                 parent::__construct( $name );
  38         }
  39
  40         function isSyndicated() {
  41                 return false;
  42         }
  43
  44         public function getQueryInfo() {
  45                 return [
  46                         'tables' => [ 'category' ],
  47                         'fields' => [ 'title' => 'cat_title',
  48                                 'namespace' => NS_CATEGORY,
  49                                 'value' => 'cat_pages' ],
  50                         'conds' => [ 'cat_pages > 0' ],
  51                 ];
  52         }
  53
  54         function sortDescending() {
  55                 return true;
  56         }
  57
  58         /**
  59          * Fetch user page links and cache their existence
  60          *
  61          * @param IDatabase $db
  62          * @param ResultWrapper $res
  63          */
  64         function preprocessResults( $db, $res ) {
  65                 $this->executeLBFromResultWrapper( $res );
  66         }
  67
  68         /**
  69          * @param Skin $skin
  70          * @param object $result Result row
  71          * @return string
  72          */
  73         function formatResult( $skin, $result ) {
  74                 global $wgContLang;
  75
  76                 $nt = Title::makeTitleSafe( NS_CATEGORY, $result->title );
  77                 if ( !$nt ) {
  78                         return Html::element(
  79                                 'span',
  80                                 [ 'class' => 'mw-invalidtitle' ],
  81                                 Linker::getInvalidTitleDescription(
  82                                         $this->getContext(),
  83                                         NS_CATEGORY,
  84                                         $result->title )
  85                         );
  86                 }
  87
  88                 $text = $wgContLang->convert( $nt->getText() );
  89                 $plink = $this->getLinkRenderer()->makeLink( $nt, $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 }