includes/SpecialBrokenRedirects.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 BrokenRedirectsPage extends PageQueryPage {
  19         var $targets = array();
  20
  21         function getName() {
  22                 return 'BrokenRedirects';
  23         }
  24
  25         function isExpensive( ) { return true; }
  26         function isSyndicated() { return false; }
  27
  28         function getPageHeader( ) {
  29                 return '<p>'.wfMsg('brokenredirectstext')."</p><br />\n";
  30         }
  31
  32         function getSQL() {
  33                 $dbr =& wfGetDB( DB_SLAVE );
  34                 extract( $dbr->tableNames( 'page', 'brokenlinks' ) );
  35
  36                 $sql = "SELECT 'BrokenRedirects' as type, page_namespace as namespace," .
  37                            "page_title as title, bl_to FROM $brokenlinks,$page " .
  38                        'WHERE page_is_redirect=1 AND bl_from=page_id ';
  39                 return $sql;
  40         }
  41
  42         function getOrder() {
  43                 return '';
  44         }
  45
  46         function formatResult( $skin, $result ) {
  47                 $fromObj = Title::makeTitle( $result->namespace, $result->title );
  48                 if ( isset( $result->bl_to ) ) {
  49                         $toObj = Title::newFromText( $result->bl_to );
  50                 } else {
  51                         $blinks = $fromObj->getBrokenLinksFrom();
  52                         if ( $blinks ) {
  53                                 $toObj = $blinks[0];
  54                         } else {
  55                                 $toObj = false;
  56                         }
  57                 }
  58
  59                 // $toObj may very easily be false if the $result list is cached
  60                 if ( !is_object( $toObj ) || !is_object( $fromObj ) ) {
  61                         return '';
  62                 }
  63
  64                 $from = $skin->makeKnownLinkObj( $fromObj ,'', 'redirect=no' );
  65                 $edit = $skin->makeBrokenLinkObj( $fromObj , "(".wfMsg("qbedit").")" , 'redirect=no');
  66                 $to   = $skin->makeBrokenLinkObj( $toObj );
  67
  68                 return "$from $edit => $to";
  69         }
  70 }
  71
  72 /**
  73  * constructor
  74  */
  75 function wfSpecialBrokenRedirects() {
  76         list( $limit, $offset ) = wfCheckLimits();
  77
  78         $sbr = new BrokenRedirectsPage();
  79
  80         return $sbr->doQuery( $offset, $limit );
  81
  82 }
  83 ?>