includes/specials/Mostcategories.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup SpecialPage
   5  *
   6  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
   7  * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
   8  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
   9  */
  10
  11 /**
  12  * implements Special:Mostcategories
  13  * @ingroup SpecialPage
  14  */
  15 class MostcategoriesPage extends QueryPage {
  16
  17         function getName() { return 'Mostcategories'; }
  18         function isExpensive() { return true; }
  19         function isSyndicated() { return false; }
  20
  21         function getSQL() {
  22                 $dbr = wfGetDB( DB_SLAVE );
  23                 list( $categorylinks, $page) = $dbr->tableNamesN( 'categorylinks', 'page' );
  24                 return
  25                         "
  26                         SELECT
  27                                 'Mostcategories' as type,
  28                                 page_namespace as namespace,
  29                                 page_title as title,
  30                                 COUNT(*) as value
  31                         FROM $categorylinks
  32                         LEFT JOIN $page ON cl_from = page_id
  33                         WHERE page_namespace = " . NS_MAIN . "
  34                         GROUP BY 1,2,3
  35                         HAVING COUNT(*) > 1
  36                         ";
  37         }
  38
  39         function formatResult( $skin, $result ) {
  40                 global $wgLang;
  41                 $title = Title::makeTitleSafe( $result->namespace, $result->title );
  42                 if ( !$title instanceof Title ) { throw new MWException('Invalid title in database'); }
  43                 $count = wfMsgExt( 'ncategories', array( 'parsemag', 'escape' ), $wgLang->formatNum( $result->value ) );
  44                 $link = $skin->makeKnownLinkObj( $title, $title->getText() );
  45                 return wfSpecialList( $link, $count );
  46         }
  47 }
  48
  49 /**
  50  * constructor
  51  */
  52 function wfSpecialMostcategories() {
  53         list( $limit, $offset ) = wfCheckLimits();
  54
  55         $wpp = new MostcategoriesPage();
  56
  57         $wpp->doQuery( $offset, $limit );
  58 }