<?php
/**
+ * Implements Special:Unusedcategories
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @file
* @ingroup SpecialPage
*/
* @ingroup SpecialPage
*/
class UnusedCategoriesPage extends QueryPage {
+ function __construct( $name = 'Unusedcategories' ) {
+ parent::__construct( $name );
+ }
- function isExpensive() { return true; }
-
- function getName() {
- return 'Unusedcategories';
+ public function isExpensive() {
+ return true;
}
function getPageHeader() {
- return wfMsgExt( 'unusedcategoriestext', array( 'parse' ) );
+ return $this->msg( 'unusedcategoriestext' )->parseAsBlock();
}
- function getSQL() {
- $NScat = NS_CATEGORY;
- $dbr = wfGetDB( DB_SLAVE );
- list( $categorylinks, $page ) = $dbr->tableNamesN( 'categorylinks', 'page' );
- return "SELECT 'Unusedcategories' as type,
- {$NScat} as namespace, page_title as title, page_title as value
- FROM $page
- LEFT JOIN $categorylinks ON page_title=cl_to
- WHERE cl_from IS NULL
- AND page_namespace = {$NScat}
- AND page_is_redirect = 0";
+ public function getQueryInfo() {
+ return [
+ 'tables' => [ 'page', 'categorylinks' ],
+ 'fields' => [
+ 'namespace' => 'page_namespace',
+ 'title' => 'page_title',
+ 'value' => 'page_title'
+ ],
+ 'conds' => [
+ 'cl_from IS NULL',
+ 'page_namespace' => NS_CATEGORY,
+ 'page_is_redirect' => 0
+ ],
+ 'join_conds' => [ 'categorylinks' => [ 'LEFT JOIN', 'cl_to = page_title' ] ]
+ ];
}
+ /**
+ * A should come before Z (T32907)
+ * @return bool
+ */
+ function sortDescending() {
+ return false;
+ }
+
+ /**
+ * @param Skin $skin
+ * @param object $result Result row
+ * @return string
+ */
function formatResult( $skin, $result ) {
$title = Title::makeTitle( NS_CATEGORY, $result->title );
- return $skin->makeLinkObj( $title, $title->getText() );
+
+ return $this->getLinkRenderer()->makeLink( $title, $title->getText() );
+ }
+
+ protected function getGroupName() {
+ return 'maintenance';
}
-}
-/** constructor */
-function wfSpecialUnusedCategories() {
- list( $limit, $offset ) = wfCheckLimits();
- $uc = new UnusedCategoriesPage();
- return $uc->doQuery( $offset, $limit );
+ public function preprocessResults( $db, $res ) {
+ $this->executeLBFromResultWrapper( $res );
+ }
}