summaryrefslogtreecommitdiff
path: root/includes/SpecialDoubleRedirects.php
diff options
context:
space:
mode:
authorPierre Schmitz <pierre@archlinux.de>2006-10-11 18:12:39 +0000
committerPierre Schmitz <pierre@archlinux.de>2006-10-11 18:12:39 +0000
commit183851b06bd6c52f3cae5375f433da720d410447 (patch)
treea477257decbf3360127f6739c2f9d0ec57a03d39 /includes/SpecialDoubleRedirects.php
MediaWiki 1.7.1 wiederhergestellt
Diffstat (limited to 'includes/SpecialDoubleRedirects.php')
-rw-r--r--includes/SpecialDoubleRedirects.php107
1 files changed, 107 insertions, 0 deletions
diff --git a/includes/SpecialDoubleRedirects.php b/includes/SpecialDoubleRedirects.php
new file mode 100644
index 00000000..fe480f60
--- /dev/null
+++ b/includes/SpecialDoubleRedirects.php
@@ -0,0 +1,107 @@
+<?php
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class DoubleRedirectsPage extends PageQueryPage {
+
+ 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";
+ }
+
+ 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 );
+ return $this->getSQLText( $dbr );
+ }
+
+ function getOrder() {
+ return '';
+ }
+
+ function formatResult( $skin, $result ) {
+ 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 = $wgContLang->isRTL() ? '&larr;' : '&rarr;';
+
+ return( "{$linkA} {$edit} {$arr} {$linkB} {$arr} {$linkC}" );
+ }
+}
+
+/**
+ * constructor
+ */
+function wfSpecialDoubleRedirects() {
+ list( $limit, $offset ) = wfCheckLimits();
+
+ $sdr = new DoubleRedirectsPage();
+
+ return $sdr->doQuery( $offset, $limit );
+
+}
+?>