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<?php
/**
*
* @addtogroup SpecialPage
*/
/**
* A special page listing redirects to non existent page. Those should be
* fixed to point to an existing page.
* @addtogroup 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 );
}
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