00001 <?php
00012 class BrokenRedirectsPage extends PageQueryPage {
00013 var $targets = array();
00014
00015 function getName() {
00016 return 'BrokenRedirects';
00017 }
00018
00019 function isExpensive( ) { return true; }
00020 function isSyndicated() { return false; }
00021
00022 function getPageHeader( ) {
00023 return wfMsgExt( 'brokenredirectstext', array( 'parse' ) );
00024 }
00025
00026 function getSQL() {
00027 $dbr = wfGetDB( DB_SLAVE );
00028 list( $page, $redirect ) = $dbr->tableNamesN( 'page', 'redirect' );
00029
00030 $sql = "SELECT 'BrokenRedirects' AS type,
00031 p1.page_namespace AS namespace,
00032 p1.page_title AS title,
00033 rd_namespace,
00034 rd_title
00035 FROM $redirect AS rd
00036 JOIN $page p1 ON (rd.rd_from=p1.page_id)
00037 LEFT JOIN $page AS p2 ON (rd_namespace=p2.page_namespace AND rd_title=p2.page_title )
00038 WHERE rd_namespace >= 0
00039 AND p2.page_namespace IS NULL";
00040 return $sql;
00041 }
00042
00043 function getOrder() {
00044 return '';
00045 }
00046
00047 function formatResult( $skin, $result ) {
00048 global $wgUser, $wgContLang;
00049
00050 $fromObj = Title::makeTitle( $result->namespace, $result->title );
00051 if ( isset( $result->rd_title ) ) {
00052 $toObj = Title::makeTitle( $result->rd_namespace, $result->rd_title );
00053 } else {
00054 $blinks = $fromObj->getBrokenLinksFrom(); # TODO: check for redirect, not for links
00055 if ( $blinks ) {
00056 $toObj = $blinks[0];
00057 } else {
00058 $toObj = false;
00059 }
00060 }
00061
00062
00063 if ( !is_object( $toObj ) ) {
00064 return '<s>' . $skin->makeLinkObj( $fromObj ) . '</s>';
00065 }
00066
00067 $from = $skin->makeKnownLinkObj( $fromObj ,'', 'redirect=no' );
00068 $edit = $skin->makeKnownLinkObj( $fromObj, wfMsgHtml( 'brokenredirects-edit' ), 'action=edit' );
00069 $to = $skin->makeBrokenLinkObj( $toObj );
00070 $arr = $wgContLang->getArrow();
00071
00072 $out = "{$from} {$edit}";
00073
00074 if( $wgUser->isAllowed( 'delete' ) ) {
00075 $delete = $skin->makeKnownLinkObj( $fromObj, wfMsgHtml( 'brokenredirects-delete' ), 'action=delete' );
00076 $out .= " {$delete}";
00077 }
00078
00079 $out .= " {$arr} {$to}";
00080 return $out;
00081 }
00082 }
00083
00087 function wfSpecialBrokenRedirects() {
00088 list( $limit, $offset ) = wfCheckLimits();
00089
00090 $sbr = new BrokenRedirectsPage();
00091
00092 return $sbr->doQuery( $offset, $limit );
00093 }