includes/specials/SpecialMostinterwikis.php

   1 <?php
   2 /**
   3  * Implements Special:Mostinterwikis
   4  *
   5  * Copyright © 2012 Umherirrender
   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 Umherirrender
  25  */
  26
  27 /**
  28  * A special page that listed pages that have highest interwiki count
  29  *
  30  * @ingroup SpecialPage
  31  */
  32 class MostinterwikisPage extends QueryPage {
  33         function __construct( $name = 'Mostinterwikis' ) {
  34                 parent::__construct( $name );
  35         }
  36
  37         function isExpensive() {
  38                 return true;
  39         }
  40
  41         function isSyndicated() {
  42                 return false;
  43         }
  44
  45         function getQueryInfo() {
  46                 return array(
  47                         'tables' => array(
  48                                 'langlinks',
  49                                 'page'
  50                         ), 'fields' => array(
  51                                 'namespace' => 'page_namespace',
  52                                 'title' => 'page_title',
  53                                 'value' => 'COUNT(*)'
  54                         ), 'conds' => array(
  55                                 'page_namespace' => MWNamespace::getContentNamespaces()
  56                         ), 'options' => array(
  57                                 'HAVING' => 'COUNT(*) > 1',
  58                                 'GROUP BY' => array(
  59                                         'page_namespace',
  60                                         'page_title'
  61                                 )
  62                         ), 'join_conds' => array(
  63                                 'page' => array(
  64                                         'LEFT JOIN',
  65                                         'page_id = ll_from'
  66                                 )
  67                         )
  68                 );
  69         }
  70
  71         /**
  72          * Pre-fill the link cache
  73          *
  74          * @param DatabaseBase $db
  75          * @param ResultWrapper $res
  76          */
  77         function preprocessResults( $db, $res ) {
  78                 # There's no point doing a batch check if we aren't caching results;
  79                 # the page must exist for it to have been pulled out of the table
  80                 if ( !$this->isCached() || !$res->numRows() ) {
  81                         return;
  82                 }
  83
  84                 $batch = new LinkBatch;
  85                 foreach ( $res as $row ) {
  86                         $batch->add( $row->namespace, $row->title );
  87                 }
  88                 $batch->execute();
  89
  90                 // Back to start for display
  91                 $res->seek( 0 );
  92         }
  93
  94         /**
  95          * @param $skin Skin
  96          * @param $result
  97          * @return string
  98          */
  99         function formatResult( $skin, $result ) {
 100                 $title = Title::makeTitleSafe( $result->namespace, $result->title );
 101                 if ( !$title ) {
 102                         return Html::element(
 103                                 'span',
 104                                 array( 'class' => 'mw-invalidtitle' ),
 105                                 Linker::getInvalidTitleDescription(
 106                                         $this->getContext(),
 107                                         $result->namespace,
 108                                         $result->title
 109                                 )
 110                         );
 111                 }
 112
 113                 if ( $this->isCached() ) {
 114                         $link = Linker::link( $title );
 115                 } else {
 116                         $link = Linker::linkKnown( $title );
 117                 }
 118
 119                 $count = $this->msg( 'ninterwikis' )->numParams( $result->value )->escaped();
 120
 121                 return $this->getLanguage()->specialList( $link, $count );
 122         }
 123
 124         protected function getGroupName() {
 125                 return 'highuse';
 126         }
 127 }