diff options
Diffstat (limited to 'includes/specials/SpecialBrokenRedirects.php')
-rw-r--r-- | includes/specials/SpecialBrokenRedirects.php | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/includes/specials/SpecialBrokenRedirects.php b/includes/specials/SpecialBrokenRedirects.php new file mode 100644 index 00000000..0a16e6de --- /dev/null +++ b/includes/specials/SpecialBrokenRedirects.php @@ -0,0 +1,93 @@ +<?php +/** + * @file + * @ingroup SpecialPage + */ + +/** + * A special page listing redirects to non existent page. Those should be + * fixed to point to an existing page. + * @ingroup SpecialPage + */ +class BrokenRedirectsPage extends PageQueryPage { + var $targets = array(); + + function getName() { + return 'BrokenRedirects'; + } + + function isExpensive( ) { return true; } + function isSyndicated() { return false; } + + function getPageHeader( ) { + return wfMsgExt( 'brokenredirectstext', array( 'parse' ) ); + } + + function getSQL() { + $dbr = wfGetDB( DB_SLAVE ); + list( $page, $redirect ) = $dbr->tableNamesN( 'page', 'redirect' ); + + $sql = "SELECT 'BrokenRedirects' AS type, + p1.page_namespace AS namespace, + p1.page_title AS title, + rd_namespace, + rd_title + FROM $redirect AS rd + JOIN $page p1 ON (rd.rd_from=p1.page_id) + LEFT JOIN $page AS p2 ON (rd_namespace=p2.page_namespace AND rd_title=p2.page_title ) + WHERE rd_namespace >= 0 + AND p2.page_namespace IS NULL"; + return $sql; + } + + function getOrder() { + return ''; + } + + function formatResult( $skin, $result ) { + global $wgUser, $wgContLang; + + $fromObj = Title::makeTitle( $result->namespace, $result->title ); + if ( isset( $result->rd_title ) ) { + $toObj = Title::makeTitle( $result->rd_namespace, $result->rd_title ); + } else { + $blinks = $fromObj->getBrokenLinksFrom(); # TODO: check for redirect, not for links + if ( $blinks ) { + $toObj = $blinks[0]; + } else { + $toObj = false; + } + } + + // $toObj may very easily be false if the $result list is cached + if ( !is_object( $toObj ) ) { + return '<s>' . $skin->makeLinkObj( $fromObj ) . '</s>'; + } + + $from = $skin->makeKnownLinkObj( $fromObj ,'', 'redirect=no' ); + $edit = $skin->makeKnownLinkObj( $fromObj, wfMsgHtml( 'brokenredirects-edit' ), 'action=edit' ); + $to = $skin->makeBrokenLinkObj( $toObj ); + $arr = $wgContLang->getArrow(); + + $out = "{$from} {$edit}"; + + if( $wgUser->isAllowed( 'delete' ) ) { + $delete = $skin->makeKnownLinkObj( $fromObj, wfMsgHtml( 'brokenredirects-delete' ), 'action=delete' ); + $out .= " {$delete}"; + } + + $out .= " {$arr} {$to}"; + return $out; + } +} + +/** + * constructor + */ +function wfSpecialBrokenRedirects() { + list( $limit, $offset ) = wfCheckLimits(); + + $sbr = new BrokenRedirectsPage(); + + return $sbr->doQuery( $offset, $limit ); +} |