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