1a25d6c64705882b90ae28fd7702b418be7a978e
3 * Implements Special:Listredirects
5 * Copyright © 2006 Rob Church
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 * http://www.gnu.org/copyleft/gpl.html
23 * @ingroup SpecialPage
24 * @author Rob Church <robchur@gmail.com>
28 * Special:Listredirects - Lists all the redirects on the wiki.
29 * @ingroup SpecialPage
31 class ListredirectsPage
extends QueryPage
{
33 function __construct( $name = 'Listredirects' ) {
34 parent
::__construct( $name );
37 function isExpensive() { return true; }
38 function isSyndicated() { return false; }
39 function sortDescending() { return false; }
41 function getQueryInfo() {
43 'tables' => array( 'p1' => 'page', 'redirect', 'p2' => 'page' ),
44 'fields' => array( 'p1.page_namespace AS namespace',
45 'p1.page_title AS title',
50 'p2.page_id AS redirid' ),
51 'conds' => array( 'p1.page_is_redirect' => 1 ),
52 'join_conds' => array( 'redirect' => array(
53 'LEFT JOIN', 'rd_from=p1.page_id' ),
54 'p2' => array( 'LEFT JOIN', array(
55 'p2.page_namespace=rd_namespace',
56 'p2.page_title=rd_title' ) ) )
60 function getOrderFields() {
61 return array ( 'p1.page_namespace', 'p1.page_title' );
65 * Cache page existence for performance
67 * @param $db DatabaseBase
68 * @param $res ResultWrapper
70 function preprocessResults( $db, $res ) {
71 $batch = new LinkBatch
;
72 foreach ( $res as $row ) {
73 $batch->add( $row->namespace, $row->title
);
74 $batch->addObj( $this->getRedirectTarget( $row ) );
78 // Back to start for display
79 if ( $db->numRows( $res ) > 0 ) {
80 // If there are no rows we get an error seeking.
81 $db->dataSeek( $res, 0 );
85 protected function getRedirectTarget( $row ) {
86 if ( isset( $row->rd_title
) ) {
87 return Title
::makeTitle( $row->rd_namespace
,
88 $row->rd_title
, $row->rd_fragment
,
92 $title = Title
::makeTitle( $row->namespace, $row->title
);
93 $article = WikiPage
::factory( $title );
94 return $article->getRedirectTarget();
98 function formatResult( $skin, $result ) {
99 # Make a link to the redirect itself
100 $rd_title = Title
::makeTitle( $result->namespace, $result->title
);
101 $rd_link = Linker
::link(
105 array( 'redirect' => 'no' )
108 # Find out where the redirect leads
109 $target = $this->getRedirectTarget( $result );
111 # Make a link to the destination page
112 $lang = $this->getLanguage();
113 $arr = $lang->getArrow() . $lang->getDirMark();
114 $targetLink = Linker
::link( $target );
115 return "$rd_link $arr $targetLink";
117 return "<del>$rd_link</del>";