includes/specials/SpecialMostcategories.php

   1 <?php
   2 /**
   3  * Implements Special:Mostcategories
   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 /**
  28  * A special page that list pages that have highest category count
  29  *
  30  * @ingroup SpecialPage
  31  */
  32 class MostcategoriesPage extends QueryPage {
  33
  34         function getName() { return 'Mostcategories'; }
  35         function isExpensive() { return true; }
  36         function isSyndicated() { return false; }
  37
  38         function getSQL() {
  39                 $dbr = wfGetDB( DB_SLAVE );
  40                 list( $categorylinks, $page) = $dbr->tableNamesN( 'categorylinks', 'page' );
  41                 return
  42                         "
  43                         SELECT
  44                                 'Mostcategories' as type,
  45                                 page_namespace as namespace,
  46                                 page_title as title,
  47                                 COUNT(*) as value
  48                         FROM $categorylinks
  49                         LEFT JOIN $page ON cl_from = page_id
  50                         WHERE page_namespace = " . NS_MAIN . "
  51                         GROUP BY page_namespace, page_title
  52                         HAVING COUNT(*) > 1
  53                         ";
  54         }
  55
  56         function formatResult( $skin, $result ) {
  57                 global $wgLang;
  58                 $title = Title::makeTitleSafe( $result->namespace, $result->title );
  59
  60                 $count = wfMsgExt( 'ncategories', array( 'parsemag', 'escape' ), $wgLang->formatNum( $result->value ) );
  61                 $link = $skin->link( $title );
  62                 return wfSpecialList( $link, $count );
  63         }
  64 }
  65
  66 /**
  67  * constructor
  68  */
  69 function wfSpecialMostcategories() {
  70         list( $limit, $offset ) = wfCheckLimits();
  71
  72         $wpp = new MostcategoriesPage();
  73
  74         $wpp->doQuery( $offset, $limit );
  75 }