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<?php
/**
* Implements Special:Unwatchedpages
*
* Copyright © 2005 Ævar Arnfjörð Bjarmason
*
* 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
* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
*/
use Wikimedia\Rdbms\IResultWrapper;
use Wikimedia\Rdbms\IDatabase;
/**
* A special page that displays a list of pages that are not on anyones watchlist.
*
* @ingroup SpecialPage
*/
class UnwatchedpagesPage extends QueryPage {
function __construct( $name = 'Unwatchedpages' ) {
parent::__construct( $name, 'unwatchedpages' );
}
public function isExpensive() {
return true;
}
function isSyndicated() {
return false;
}
/**
* Pre-cache page existence to speed up link generation
*
* @param IDatabase $db
* @param IResultWrapper $res
*/
public function preprocessResults( $db, $res ) {
if ( !$res->numRows() ) {
return;
}
$batch = new LinkBatch();
foreach ( $res as $row ) {
$batch->add( $row->namespace, $row->title );
}
$batch->execute();
$res->seek( 0 );
}
public function getQueryInfo() {
$dbr = wfGetDB( DB_REPLICA );
return [
'tables' => [ 'page', 'watchlist' ],
'fields' => [
'namespace' => 'page_namespace',
'title' => 'page_title',
'value' => 'page_namespace'
],
'conds' => [
'wl_title IS NULL',
'page_is_redirect' => 0,
'page_namespace != ' . $dbr->addQuotes( NS_MEDIAWIKI ),
],
'join_conds' => [ 'watchlist' => [
'LEFT JOIN', [ 'wl_title = page_title',
'wl_namespace = page_namespace' ] ] ]
];
}
function sortDescending() {
return false;
}
function getOrderFields() {
return [ 'page_namespace', 'page_title' ];
}
/**
* Add the JS
* @param string|null $par
*/
public function execute( $par ) {
parent::execute( $par );
$this->getOutput()->addModules( 'mediawiki.special.unwatchedPages' );
}
/**
* @param Skin $skin
* @param object $result Result row
* @return string
*/
function formatResult( $skin, $result ) {
global $wgContLang;
$nt = Title::makeTitleSafe( $result->namespace, $result->title );
if ( !$nt ) {
return Html::element( 'span', [ 'class' => 'mw-invalidtitle' ],
Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
}
$text = $wgContLang->convert( $nt->getPrefixedText() );
$linkRenderer = $this->getLinkRenderer();
$plink = $linkRenderer->makeKnownLink( $nt, $text );
$wlink = $linkRenderer->makeKnownLink(
$nt,
$this->msg( 'watch' )->text(),
[ 'class' => 'mw-watch-link' ],
[ 'action' => 'watch' ]
);
return $this->getLanguage()->specialList( $plink, $wlink );
}
protected function getGroupName() {
return 'maintenance';
}
}
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