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<?php
/**
* 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
*/
namespace MediaWiki\Specials\Redirects;
use MediaWiki\HTMLForm\HTMLForm;
use MediaWiki\MainConfigNames;
use MediaWiki\SpecialPage\FormSpecialPage;
use MediaWiki\Status\Status;
use MediaWiki\Title\MalformedTitleException;
use MediaWiki\Title\Title;
use MediaWiki\Title\TitleParser;
/**
* Redirect to the talk page of a given page.
*
* @ingroup SpecialPage
*/
class SpecialTalkPage extends FormSpecialPage {
private TitleParser $titleParser;
public function __construct( TitleParser $titleParser ) {
parent::__construct( 'TalkPage' );
$this->titleParser = $titleParser;
}
protected function getFormFields() {
return [
'target' => [
'type' => 'title',
'name' => 'target',
'label-message' => 'special-talkpage-target',
'default' => $this->par,
],
];
}
protected function alterForm( HTMLForm $form ) {
if ( $this->par ) { // immediately submit with subpage value
$form->setMethod( 'get' );
}
$form->setSubmitTextMsg( 'special-talkpage-submit' );
}
public function onSubmit( array $formData ) {
$target = $formData['target'];
try {
$title = $this->titleParser->parseTitle( $target );
} catch ( MalformedTitleException $e ) {
return Status::newFatal( $e->getMessageObject() );
}
$title = Title::newFromLinkTarget( $title );
$talk = $title->getTalkPageIfDefined();
if ( $talk === null ) {
return Status::newFatal( 'title-invalid-talk-namespace' );
}
// HTTP 302: Found; cache for the Parser Cache length, as an appropriate long time
$this->getOutput()->redirect( $talk->getFullUrlForRedirect(), '302' );
$this->getOutput()->enableClientCache();
$this->getOutput()->setCdnMaxage(
$this->getConfig()->get( MainConfigNames::ParserCacheExpireTime )
);
return true;
}
protected function getDisplayFormat() {
return 'ooui';
}
public function requiresWrite() {
return false;
}
public function requiresUnblock() {
return false;
}
public function isListed() {
return false;
}
protected function getMessagePrefix() {
return 'special-talkpage';
}
public function getDescription() {
// "talkpage" is already taken by CologneBlue
return $this->msg( 'special-talkpage' );
}
}
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