includes/specials/SpecialFewestrevisions.php

   1 <?php
   2 /**
   3  * Implements Special:Fewestrevisions
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * Special page for listing the articles with the fewest revisions.
  26  *
  27  * @ingroup SpecialPage
  28  * @author Martin Drashkov
  29  */
  30 class FewestrevisionsPage extends QueryPage {
  31         function __construct( $name = 'Fewestrevisions' ) {
  32                 parent::__construct( $name );
  33         }
  34
  35         public function isExpensive() {
  36                 return true;
  37         }
  38
  39         function isSyndicated() {
  40                 return false;
  41         }
  42
  43         public function getQueryInfo() {
  44                 return [
  45                         'tables' => [ 'revision', 'page' ],
  46                         'fields' => [
  47                                 'namespace' => 'page_namespace',
  48                                 'title' => 'page_title',
  49                                 'value' => 'COUNT(*)',
  50                                 'redirect' => 'page_is_redirect'
  51                         ],
  52                         'conds' => [
  53                                 'page_namespace' => MWNamespace::getContentNamespaces(),
  54                                 'page_id = rev_page' ],
  55                         'options' => [
  56                                 'HAVING' => 'COUNT(*) > 1',
  57                                 // ^^^ This was probably here to weed out redirects.
  58                                 // Since we mark them as such now, it might be
  59                                 // useful to remove this. People _do_ create pages
  60                                 // and never revise them, they aren't necessarily
  61                                 // redirects.
  62                                 'GROUP BY' => [ 'page_namespace', 'page_title', 'page_is_redirect' ]
  63                         ]
  64                 ];
  65         }
  66
  67         function sortDescending() {
  68                 return false;
  69         }
  70
  71         /**
  72          * @param Skin $skin
  73          * @param object $result Database row
  74          * @return string
  75          */
  76         function formatResult( $skin, $result ) {
  77                 global $wgContLang;
  78
  79                 $nt = Title::makeTitleSafe( $result->namespace, $result->title );
  80                 if ( !$nt ) {
  81                         return Html::element(
  82                                 'span',
  83                                 [ 'class' => 'mw-invalidtitle' ],
  84                                 Linker::getInvalidTitleDescription(
  85                                         $this->getContext(),
  86                                         $result->namespace,
  87                                         $result->title
  88                                 )
  89                         );
  90                 }
  91
  92                 $text = htmlspecialchars( $wgContLang->convert( $nt->getPrefixedText() ) );
  93                 $plink = Linker::linkKnown( $nt, $text );
  94
  95                 $nl = $this->msg( 'nrevisions' )->numParams( $result->value )->escaped();
  96                 $redirect = isset( $result->redirect ) && $result->redirect ?
  97                         ' - ' . $this->msg( 'isredirect' )->escaped() : '';
  98                 $nlink = Linker::linkKnown(
  99                         $nt,
 100                         $nl,
 101                         [],
 102                         [ 'action' => 'history' ]
 103                 ) . $redirect;
 104
 105                 return $this->getLanguage()->specialList( $plink, $nlink );
 106         }
 107
 108         protected function getGroupName() {
 109                 return 'maintenance';
 110         }
 111 }