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 getName() {
  33                 return 'Fewestrevisions';
  34         }
  35
  36         function isExpensive() {
  37                 return true;
  38         }
  39
  40         function isSyndicated() {
  41                 return false;
  42         }
  43
  44         function getSql() {
  45                 $dbr = wfGetDB( DB_SLAVE );
  46                 list( $revision, $page ) = $dbr->tableNamesN( 'revision', 'page' );
  47
  48                 return "SELECT 'Fewestrevisions' as type,
  49                                 page_namespace as namespace,
  50                                 page_title as title,
  51                                 page_is_redirect as redirect,
  52                                 COUNT(*) as value
  53                         FROM $revision
  54                         JOIN $page ON page_id = rev_page
  55                         WHERE page_namespace = " . NS_MAIN . "
  56                         GROUP BY page_namespace, page_title, page_is_redirect
  57                         HAVING COUNT(*) > 1";
  58                         // ^^^ This was probably here to weed out redirects.
  59                         // Since we mark them as such now, it might be
  60                         // useful to remove this. People _do_ create pages
  61                         // and never revise them, they aren't necessarily
  62                         // redirects.
  63         }
  64
  65         function sortDescending() {
  66                 return false;
  67         }
  68
  69         function formatResult( $skin, $result ) {
  70                 global $wgLang, $wgContLang;
  71
  72                 $nt = Title::makeTitleSafe( $result->namespace, $result->title );
  73                 if( !$nt ) {
  74                         return '<!-- bad title -->';
  75                 }
  76
  77                 $text = $wgContLang->convert( $nt->getPrefixedText() );
  78
  79                 $plink = $skin->linkKnown(
  80                         $nt,
  81                         $text
  82                 );
  83
  84                 $nl = wfMsgExt( 'nrevisions', array( 'parsemag', 'escape' ),
  85                         $wgLang->formatNum( $result->value ) );
  86                 $redirect = $result->redirect ? ' - ' . wfMsgHtml( 'isredirect' ) : '';
  87                 $nlink = $skin->linkKnown(
  88                         $nt,
  89                         $nl,
  90                         array(),
  91                         array( 'action' => 'history' )
  92                 ) . $redirect;
  93
  94                 return wfSpecialList( $plink, $nlink );
  95         }
  96 }
  97
  98 function wfSpecialFewestrevisions() {
  99         list( $limit, $offset ) = wfCheckLimits();
 100         $frp = new FewestrevisionsPage();
 101         $frp->doQuery( $offset, $limit );
 102 }