MediaWiki 1.14.0

[autoinstalls/mediawiki.git] / includes / specials / SpecialMostlinkedcategories.php

diff --git a/includes/specials/SpecialMostlinkedcategories.php b/includes/specials/SpecialMostlinkedcategories.php
new file mode 100644 (file)
index 0000000..ab25067
--- /dev/null
+++ b/includes/specials/SpecialMostlinkedcategories.php
@@ -0,0 +1,78 @@
+<?php
+/**
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * A querypage to show categories ordered in descending order by the pages  in them
+ *
+ * @ingroup SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+class MostlinkedCategoriesPage extends QueryPage {
+
+       function getName() { return 'Mostlinkedcategories'; }
+       function isExpensive() { return true; }
+       function isSyndicated() { return false; }
+
+       function getSQL() {
+               $dbr = wfGetDB( DB_SLAVE );
+               $categorylinks = $dbr->tableName( 'categorylinks' );
+               $name = $dbr->addQuotes( $this->getName() );
+               return
+                       "
+                       SELECT
+                               $name as type,
+                               " . NS_CATEGORY . " as namespace,
+                               cl_to as title,
+                               COUNT(*) as value
+                       FROM $categorylinks
+                       GROUP BY cl_to
+                       ";
+       }
+
+       function sortDescending() { return true; }
+
+       /**
+        * Fetch user page links and cache their existence
+        */
+       function preprocessResults( $db, $res ) {
+               $batch = new LinkBatch;
+               while ( $row = $db->fetchObject( $res ) )
+                       $batch->add( $row->namespace, $row->title );
+               $batch->execute();
+
+               // Back to start for display
+               if ( $db->numRows( $res ) > 0 )
+                       // If there are no rows we get an error seeking.
+                       $db->dataSeek( $res, 0 );
+       }
+
+       function formatResult( $skin, $result ) {
+               global $wgLang, $wgContLang;
+
+               $nt = Title::makeTitle( $result->namespace, $result->title );
+               $text = $wgContLang->convert( $nt->getText() );
+
+               $plink = $skin->makeLinkObj( $nt, htmlspecialchars( $text ) );
+
+               $nlinks = wfMsgExt( 'nmembers', array( 'parsemag', 'escape'),
+                       $wgLang->formatNum( $result->value ) );
+               return wfSpecialList($plink, $nlinks);
+       }
+}
+
+/**
+ * constructor
+ */
+function wfSpecialMostlinkedCategories() {
+       list( $limit, $offset ) = wfCheckLimits();
+
+       $wpp = new MostlinkedCategoriesPage();
+
+       $wpp->doQuery( $offset, $limit );
+}