includes/SpecialMostlinked.php

   1 <?php
   2 /**
   3  * A special page to show pages ordered by the number of pages linking to them
   4  *
   5  * @package MediaWiki
   6  * @subpackage SpecialPage
   7  *
   8  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
   9  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
  10  */
  11
  12 /* */
  13 require_once 'QueryPage.php';
  14
  15 /**
  16  * @package MediaWiki
  17  * @subpackage SpecialPage
  18  */
  19 class MostlinkedPage extends QueryPage {
  20
  21         function getName() { return 'Mostlinked'; }
  22         function isExpensive() { return true; }
  23         function isSyndicated() { return false; }
  24
  25         /**
  26          * Note: Getting page_namespace only works if $this->isCached() is false
  27          */
  28         function getSQL() {
  29                 $dbr =& wfGetDB( DB_SLAVE );
  30                 extract( $dbr->tableNames( 'pagelinks', 'page' ) );
  31                 return
  32                         "SELECT 'Mostlinked' AS type,
  33                                 pl_namespace AS namespace,
  34                                 pl_title AS title,
  35                                 COUNT(*) AS value,
  36
  37                                 page_namespace
  38                         FROM $pagelinks
  39                         LEFT JOIN $page ON pl_namespace=page_namespace AND pl_title=page_title
  40                         GROUP BY pl_namespace,pl_title
  41                         HAVING COUNT(*) > 1";
  42         }
  43
  44         function formatResult( $skin, $result ) {
  45                 global $wgContLang;
  46
  47                 $nt = Title::makeTitle( $result->namespace, $result->title );
  48                 $text = $wgContLang->convert( $nt->getPrefixedText() );
  49
  50                 if ( $this->isCached() )
  51                         $plink = $skin->makeKnownLink( $nt->getPrefixedText(), $text );
  52                 else {
  53                         $plink = is_null( $result->page_namespace )
  54                                 ? $skin->makeBrokenLink( $nt->getPrefixedText(), $text )
  55                                 : $skin->makeKnownLink( $nt->getPrefixedText(), $text );
  56                 }
  57
  58                 $nl = wfMsg( 'nlinks', $result->value );
  59                 $nlink = $skin->makeKnownLink( $wgContLang->specialPage( 'Whatlinkshere' ), $nl, 'target=' . $nt->getPrefixedURL() );
  60
  61                 return "{$plink} ({$nlink})";
  62         }
  63 }
  64
  65 /**
  66  * constructor
  67  */
  68 function wfSpecialMostlinked() {
  69         list( $limit, $offset ) = wfCheckLimits();
  70
  71         $wpp = new MostlinkedPage();
  72
  73         $wpp->doQuery( $offset, $limit );
  74 }
  75
  76 ?>