<?php
/**
+ * Implements Special:Deadenpages
+ *
+ * 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
*/
/**
+ * A special page that list pages that contain no link to other pages
+ *
* @ingroup SpecialPage
*/
class DeadendPagesPage extends PageQueryPage {
- function getName( ) {
- return "Deadendpages";
+ function __construct( $name = 'Deadendpages' ) {
+ parent::__construct( $name );
}
function getPageHeader() {
- return wfMsgExt( 'deadendpagestext', array( 'parse' ) );
+ return $this->msg( 'deadendpagestext' )->parseAsBlock();
}
/**
* LEFT JOIN is expensive
*
- * @return true
+ * @return bool
*/
- function isExpensive( ) {
- return 1;
+ function isExpensive() {
+ return true;
}
- function isSyndicated() { return false; }
+ function isSyndicated() {
+ return false;
+ }
/**
- * @return false
+ * @return bool
*/
function sortDescending() {
return false;
}
- /**
- * @return string an sqlquery
- */
- function getSQL() {
- $dbr = wfGetDB( DB_SLAVE );
- list( $page, $pagelinks ) = $dbr->tableNamesN( 'page', 'pagelinks' );
- return "SELECT 'Deadendpages' as type, page_namespace AS namespace, page_title as title, page_title AS value " .
- "FROM $page LEFT JOIN $pagelinks ON page_id = pl_from " .
- "WHERE pl_from IS NULL " .
- "AND page_namespace = 0 " .
- "AND page_is_redirect = 0";
+ function getQueryInfo() {
+ return array(
+ 'tables' => array( 'page', 'pagelinks' ),
+ 'fields' => array(
+ 'namespace' => 'page_namespace',
+ 'title' => 'page_title',
+ 'value' => 'page_title'
+ ),
+ 'conds' => array(
+ 'pl_from IS NULL',
+ 'page_namespace' => MWNamespace::getContentNamespaces(),
+ 'page_is_redirect' => 0
+ ),
+ 'join_conds' => array(
+ 'pagelinks' => array(
+ 'LEFT JOIN',
+ array( 'page_id=pl_from' )
+ )
+ )
+ );
}
-}
-/**
- * Constructor
- */
-function wfSpecialDeadendpages() {
-
- list( $limit, $offset ) = wfCheckLimits();
-
- $depp = new DeadendPagesPage();
+ function getOrderFields() {
+ // For some crazy reason ordering by a constant
+ // causes a filesort
+ if ( count( MWNamespace::getContentNamespaces() ) > 1 ) {
+ return array( 'page_namespace', 'page_title' );
+ } else {
+ return array( 'page_title' );
+ }
+ }
- return $depp->doQuery( $offset, $limit );
+ protected function getGroupName() {
+ return 'maintenance';
+ }
}