00001 <?php 00019 class MostlinkedPage extends QueryPage { 00020 00021 function getName() { return 'Mostlinked'; } 00022 function isExpensive() { return true; } 00023 function isSyndicated() { return false; } 00024 00025 function getSQL() { 00026 global $wgMiserMode; 00027 00028 $dbr = wfGetDB( DB_SLAVE ); 00029 00030 # In miser mode, reduce the query cost by adding a threshold for large wikis 00031 if ( $wgMiserMode ) { 00032 $numPages = SiteStats::pages(); 00033 if ( $numPages > 10000 ) { 00034 $cutoff = 100; 00035 } elseif ( $numPages > 100 ) { 00036 $cutoff = intval( sqrt( $numPages ) ); 00037 } else { 00038 $cutoff = 1; 00039 } 00040 } else { 00041 $cutoff = 1; 00042 } 00043 00044 list( $pagelinks, $page ) = $dbr->tableNamesN( 'pagelinks', 'page' ); 00045 return 00046 "SELECT 'Mostlinked' AS type, 00047 pl_namespace AS namespace, 00048 pl_title AS title, 00049 COUNT(*) AS value 00050 FROM $pagelinks 00051 LEFT JOIN $page ON pl_namespace=page_namespace AND pl_title=page_title 00052 GROUP BY pl_namespace, pl_title 00053 HAVING COUNT(*) > $cutoff"; 00054 } 00055 00059 function preprocessResults( $db, $res ) { 00060 if( $db->numRows( $res ) > 0 ) { 00061 $linkBatch = new LinkBatch(); 00062 while( $row = $db->fetchObject( $res ) ) 00063 $linkBatch->add( $row->namespace, $row->title ); 00064 $db->dataSeek( $res, 0 ); 00065 $linkBatch->execute(); 00066 } 00067 } 00068 00077 function makeWlhLink( &$title, $caption, &$skin ) { 00078 $wlh = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedDBkey() ); 00079 return $skin->linkKnown( $wlh, $caption ); 00080 } 00081 00089 function formatResult( $skin, $result ) { 00090 global $wgLang; 00091 $title = Title::makeTitleSafe( $result->namespace, $result->title ); 00092 if ( !$title ) { 00093 return '<!-- ' . htmlspecialchars( "Invalid title: [[$title]]" ) . ' -->'; 00094 } 00095 $link = $skin->link( $title ); 00096 $wlh = $this->makeWlhLink( $title, 00097 wfMsgExt( 'nlinks', array( 'parsemag', 'escape'), 00098 $wgLang->formatNum( $result->value ) ), $skin ); 00099 return wfSpecialList( $link, $wlh ); 00100 } 00101 } 00102 00106 function wfSpecialMostlinked() { 00107 list( $limit, $offset ) = wfCheckLimits(); 00108 00109 $wpp = new MostlinkedPage(); 00110 00111 $wpp->doQuery( $offset, $limit ); 00112 }