* @subpackage SpecialPage
*/
-/**
- *
- */
-require_once('QueryPage.php');
-
/**
*
* @package MediaWiki
function getName() {
return 'DoubleRedirects';
}
-
+
function isExpensive( ) { return true; }
function isSyndicated() { return false; }
function getPageHeader( ) {
#FIXME : probably need to add a backlink to the maintenance page.
- return '<p>'.wfMsg("doubleredirectstext")."</p><br>\n";
+ return '<p>'.wfMsg("doubleredirectstext")."</p><br />\n";
}
+ function getSQLText( &$dbr, $namespace = null, $title = null ) {
+
+ extract( $dbr->tableNames( 'page', 'pagelinks' ) );
+
+ $limitToTitle = !( $namespace === null && $title === null );
+ $sql = $limitToTitle ? "SELECT" : "SELECT 'DoubleRedirects' as type," ;
+ $sql .=
+ " pa.page_namespace as namespace, pa.page_title as title," .
+ " pb.page_namespace as nsb, pb.page_title as tb," .
+ " pc.page_namespace as nsc, pc.page_title as tc" .
+ " FROM $pagelinks AS la, $pagelinks AS lb, $page AS pa, $page AS pb, $page AS pc" .
+ " WHERE pa.page_is_redirect=1 AND pb.page_is_redirect=1" .
+ " AND la.pl_from=pa.page_id" .
+ " AND la.pl_namespace=pb.page_namespace" .
+ " AND la.pl_title=pb.page_title" .
+ " AND lb.pl_from=pb.page_id" .
+ " AND lb.pl_namespace=pc.page_namespace" .
+ " AND lb.pl_title=pc.page_title";
+
+ if( $limitToTitle ) {
+ $encTitle = $dbr->addQuotes( $title );
+ $sql .= " AND pa.page_namespace=$namespace" .
+ " AND pa.page_title=$encTitle";
+ }
+
+ return $sql;
+ }
+
function getSQL() {
$dbr =& wfGetDB( DB_SLAVE );
- extract( $dbr->tableNames( 'page', 'links', 'text' ) );
-
- $sql = "SELECT pa.page_namespace as ns_a, pa.page_title as title_a,
- pb.page_namespace as ns_b, pb.page_title as title_b,
- old_text AS rt
- FROM $text AS t, $links,$page AS pa,$page AS pb
- WHERE pa.page_is_redirect=1 AND pb.page_is_redirect=1 AND l_to=pb.page_id
- AND l_from=pa.page_id
- AND pb.page_latest=t.old_id" ;
- return $sql;
+ return $this->getSQLText( $dbr );
}
function getOrder() {
return '';
}
-
+
function formatResult( $skin, $result ) {
- global $wgContLang ;
- $ns = $wgContLang->getNamespaces() ;
- $from = $skin->makeKnownLink( $ns[$result->ns_a].':'.$result->title_a ,'', 'redirect=no' );
- $edit = $skin->makeBrokenLink( $ns[$result->ns_a].':'.$result->title_a , "(".wfMsg("qbedit").")" , 'redirect=no');
- $to = $skin->makeKnownLink( $ns[$result->ns_b].':'.$result->title_b ,'');
- $content = $result->rt;
-
- return "$from $edit => $to ($content)";
+ global $wgContLang;
+
+ $fname = 'DoubleRedirectsPage::formatResult';
+ $titleA = Title::makeTitle( $result->namespace, $result->title );
+
+ if ( $result && !isset( $result->nsb ) ) {
+ $dbr =& wfGetDB( DB_SLAVE );
+ $sql = $this->getSQLText( $dbr, $result->namespace, $result->title );
+ $res = $dbr->query( $sql, $fname );
+ if ( $res ) {
+ $result = $dbr->fetchObject( $res );
+ $dbr->freeResult( $res );
+ }
+ }
+ if ( !$result ) {
+ return '';
+ }
+
+ $titleB = Title::makeTitle( $result->nsb, $result->tb );
+ $titleC = Title::makeTitle( $result->nsc, $result->tc );
+
+ $linkA = $skin->makeKnownLinkObj( $titleA,'', 'redirect=no' );
+ $edit = $skin->makeBrokenLinkObj( $titleA, "(".wfMsg("qbedit").")" , 'redirect=no');
+ $linkB = $skin->makeKnownLinkObj( $titleB, '', 'redirect=no' );
+ $linkC = $skin->makeKnownLinkObj( $titleC );
+ $arr = $wgContLang->getArrow() . $wgContLang->getDirMark();
+
+ return( "{$linkA} {$edit} {$arr} {$linkB} {$arr} {$linkC}" );
}
}
*/
function wfSpecialDoubleRedirects() {
list( $limit, $offset ) = wfCheckLimits();
-
+
$sdr = new DoubleRedirectsPage();
-
+
return $sdr->doQuery( $offset, $limit );
}