includes/specials/SpecialWantedcategories.php

   1 <?php
   2 /**
   3  * Implements Special:Wantedcategories
   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  */
  25
  26 /**
  27  * A querypage to list the most wanted categories - implements Special:Wantedcategories
  28  *
  29  * @ingroup SpecialPage
  30  */
  31 class WantedCategoriesPage extends WantedQueryPage {
  32
  33         function getName() {
  34                 return 'Wantedcategories';
  35         }
  36
  37         function getSQL() {
  38                 $dbr = wfGetDB( DB_SLAVE );
  39                 list( $categorylinks, $page ) = $dbr->tableNamesN( 'categorylinks', 'page' );
  40                 $name = $dbr->addQuotes( $this->getName() );
  41                 return
  42                         "
  43                         SELECT
  44                                 $name as type,
  45                                 " . NS_CATEGORY . " as namespace,
  46                                 cl_to as title,
  47                                 COUNT(*) as value
  48                         FROM $categorylinks
  49                         LEFT JOIN $page ON cl_to = page_title AND page_namespace = ". NS_CATEGORY ."
  50                         WHERE page_title IS NULL
  51                         GROUP BY cl_to
  52                         ";
  53         }
  54
  55         function formatResult( $skin, $result ) {
  56                 global $wgLang, $wgContLang;
  57
  58                 $nt = Title::makeTitle( $result->namespace, $result->title );
  59                 $text = htmlspecialchars( $wgContLang->convert( $nt->getText() ) );
  60
  61                 $plink = $this->isCached() ?
  62                         $skin->link( $nt, $text ) :
  63                         $skin->link(
  64                                 $nt,
  65                                 $text,
  66                                 array(),
  67                                 array(),
  68                                 array( 'broken' )
  69                         );
  70
  71                 $nlinks = wfMsgExt( 'nmembers', array( 'parsemag', 'escape'),
  72                         $wgLang->formatNum( $result->value ) );
  73                 return wfSpecialList($plink, $nlinks);
  74         }
  75 }
  76
  77 /**
  78  * constructor
  79  */
  80 function wfSpecialWantedCategories() {
  81         list( $limit, $offset ) = wfCheckLimits();
  82
  83         $wpp = new WantedCategoriesPage();
  84
  85         $wpp->doQuery( $offset, $limit );
  86 }