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<?php
/**
* Implements Special:Brokenredirects
*
* 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 listing redirects to non existent page. Those should be
* fixed to point to an existing page.
*
* @ingroup SpecialPage
*/
class BrokenRedirectsPage extends QueryPage {
function __construct( $name = 'BrokenRedirects' ) {
parent::__construct( $name );
}
public function isExpensive() {
return true;
}
function isSyndicated() {
return false;
}
function sortDescending() {
return false;
}
function getPageHeader() {
return $this->msg( 'brokenredirectstext' )->parseAsBlock();
}
public function getQueryInfo() {
$dbr = wfGetDB( DB_SLAVE );
return array(
'tables' => array(
'redirect',
'p1' => 'page',
'p2' => 'page',
),
'fields' => array(
'namespace' => 'p1.page_namespace',
'title' => 'p1.page_title',
'value' => 'p1.page_title',
'rd_namespace',
'rd_title',
),
'conds' => array(
// Exclude pages that don't exist locally as wiki pages,
// but aren't "broken" either.
// Special pages and interwiki links
'rd_namespace >= 0',
'rd_interwiki IS NULL OR rd_interwiki = ' . $dbr->addQuotes( '' ),
'p2.page_namespace IS NULL',
),
'join_conds' => array(
'p1' => array( 'JOIN', array(
'rd_from=p1.page_id',
) ),
'p2' => array( 'LEFT JOIN', array(
'rd_namespace=p2.page_namespace',
'rd_title=p2.page_title'
) ),
),
);
}
/**
* @return array
*/
function getOrderFields() {
return array( 'rd_namespace', 'rd_title', 'rd_from' );
}
/**
* @param Skin $skin
* @param object $result Result row
* @return string
*/
function formatResult( $skin, $result ) {
$fromObj = Title::makeTitle( $result->namespace, $result->title );
if ( isset( $result->rd_title ) ) {
$toObj = Title::makeTitle( $result->rd_namespace, $result->rd_title );
} else {
$blinks = $fromObj->getBrokenLinksFrom(); # TODO: check for redirect, not for links
if ( $blinks ) {
$toObj = $blinks[0];
} else {
$toObj = false;
}
}
// $toObj may very easily be false if the $result list is cached
if ( !is_object( $toObj ) ) {
return '<del>' . Linker::link( $fromObj ) . '</del>';
}
$from = Linker::linkKnown(
$fromObj,
null,
array(),
array( 'redirect' => 'no' )
);
$links = array();
$links[] = Linker::linkKnown(
$fromObj,
$this->msg( 'brokenredirects-edit' )->escaped(),
array(),
array( 'action' => 'edit' )
);
$to = Linker::link(
$toObj,
null,
array(),
array(),
array( 'broken' )
);
$arr = $this->getLanguage()->getArrow();
$out = $from . $this->msg( 'word-separator' )->escaped();
if ( $this->getUser()->isAllowed( 'delete' ) ) {
$links[] = Linker::linkKnown(
$fromObj,
$this->msg( 'brokenredirects-delete' )->escaped(),
array(),
array( 'action' => 'delete' )
);
}
$out .= $this->msg( 'parentheses' )->rawParams( $this->getLanguage()
->pipeList( $links ) )->escaped();
$out .= " {$arr} {$to}";
return $out;
}
protected function getGroupName() {
return 'maintenance';
}
}
|
