includes/SpecialDoubleRedirects.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  * @subpackage SpecialPage
   6  */
   7
   8 /**
   9  *
  10  */
  11 require_once('QueryPage.php');
  12
  13 /**
  14  *
  15  * @package MediaWiki
  16  * @subpackage SpecialPage
  17  */
  18 class DoubleRedirectsPage extends PageQueryPage {
  19
  20         function getName() {
  21                 return 'doubleredirects';
  22         }
  23
  24         function isExpensive( ) { return true; }
  25
  26         function getPageHeader( ) {
  27                 #FIXME : probably need to add a backlink to the maintenance page.
  28                 return '<p>'.wfMsg("doubleredirectstext")."</p><br>\n";
  29         }
  30
  31         function getSQL() {
  32                 $dbr =& wfGetDB( DB_SLAVE );
  33                 extract( $dbr->tableNames( 'cur', 'links' ) );
  34
  35                 $sql = "SELECT ca.cur_namespace as ns_a, ca.cur_title as title_a," .
  36                            "  cb.cur_namespace as ns_b, cb.cur_title as title_b," .
  37                            "  cb.cur_text AS rt " .
  38                            "FROM $links,$cur AS ca,$cur AS cb ".
  39                            "WHERE ca.cur_is_redirect=1 AND cb.cur_is_redirect=1 AND l_to=cb.cur_id " .
  40                            "  AND l_from=ca.cur_id " ;
  41                 return $sql;
  42         }
  43
  44         function getOrder() {
  45                 return '';
  46         }
  47
  48         function formatResult( $skin, $result ) {
  49                 global $wgLang ;
  50                 $ns = $wgLang->getNamespaces() ;
  51                 $from = $skin->makeKnownLink( $ns[$result->ns_a].':'.$result->title_a ,'', 'redirect=no' );
  52                 $edit = $skin->makeBrokenLink( $ns[$result->ns_a].':'.$result->title_a , "(".wfMsg("qbedit").")" , 'redirect=no');
  53                 $to   = $skin->makeKnownLink( $ns[$result->ns_b].':'.$result->title_b ,'');
  54                 $content = $result->rt;
  55
  56                 return "$from $edit => $to ($content)";
  57         }
  58 }
  59
  60 /**
  61  * constructor
  62  */
  63 function wfSpecialDoubleRedirects() {
  64         list( $limit, $offset ) = wfCheckLimits();
  65
  66         $sdr = new DoubleRedirectsPage();
  67
  68         return $sdr->doQuery( $offset, $limit );
  69
  70 }
  71 ?>