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
  32         function __construct( $name = 'Fewestrevisions' ) {
  33                 parent::__construct( $name );
  34         }
  35
  36         function isExpensive() {
  37                 return true;
  38         }
  39
  40         function isSyndicated() {
  41                 return false;
  42         }
  43
  44         function getQueryInfo() {
  45                 return array (
  46                         'tables' => array ( 'revision', 'page' ),
  47                         'fields' => array ( 'namespace' => 'page_namespace',
  48                                         'title' => 'page_title',
  49                                         'value' => 'COUNT(*)',
  50                                         'redirect' => 'page_is_redirect' ),
  51                         'conds' => array ( 'page_namespace' => MWNamespace::getContentNamespaces(),
  52                                         'page_id = rev_page' ),
  53                         'options' => array ( 'HAVING' => 'COUNT(*) > 1',
  54                         // ^^^ This was probably here to weed out redirects.
  55                         // Since we mark them as such now, it might be
  56                         // useful to remove this. People _do_ create pages
  57                         // and never revise them, they aren't necessarily
  58                         // redirects.
  59                         'GROUP BY' => array( 'page_namespace', 'page_title', 'page_is_redirect' ) )
  60                 );
  61         }
  62
  63         function sortDescending() {
  64                 return false;
  65         }
  66
  67         /**
  68          * @param $skin Skin object
  69          * @param $result Object: database row
  70          * @return String
  71          */
  72         function formatResult( $skin, $result ) {
  73                 global $wgContLang;
  74
  75                 $nt = Title::makeTitleSafe( $result->namespace, $result->title );
  76                 if( !$nt ) {
  77                         return Html::element( 'span', array( 'class' => 'mw-invalidtitle' ),
  78                                 Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
  79                 }
  80
  81                 $text = htmlspecialchars( $wgContLang->convert( $nt->getPrefixedText() ) );
  82                 $plink = Linker::linkKnown( $nt, $text );
  83
  84                 $nl = $this->msg( 'nrevisions' )->numParams( $result->value )->escaped();
  85                 $redirect = isset( $result->redirect ) && $result->redirect ?
  86                         ' - ' . $this->msg( 'isredirect' )->escaped() : '';
  87                 $nlink = Linker::linkKnown(
  88                         $nt,
  89                         $nl,
  90                         array(),
  91                         array( 'action' => 'history' )
  92                 ) . $redirect;
  93
  94                 return $this->getLanguage()->specialList( $plink, $nlink );
  95         }
  96 }