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   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  	function isExpensive() {
  36          return true;
  37      }
  38  
  39  	function isSyndicated() {
  40          return false;
  41      }
  42  
  43  	function getQueryInfo() {
  44          return array(
  45              'tables' => array( 'revision', 'page' ),
  46              'fields' => array(
  47                  'namespace' => 'page_namespace',
  48                  'title' => 'page_title',
  49                  'value' => 'COUNT(*)',
  50                  'redirect' => 'page_is_redirect'
  51              ),
  52              'conds' => array(
  53                  'page_namespace' => MWNamespace::getContentNamespaces(),
  54                  'page_id = rev_page' ),
  55              'options' => array(
  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' => array( '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                  array( '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              array(),
 102              array( 'action' => 'history' )
 103          ) . $redirect;
 104  
 105          return $this->getLanguage()->specialList( $plink, $nlink );
 106      }
 107  
 108  	protected function getGroupName() {
 109          return 'maintenance';
 110      }
 111  }