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SpecialUnusedCategories.php
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SpecialUnusedCategories.php
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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;
use MediaWiki\Cache\LinkBatchFactory;
use MediaWiki\Skin\Skin;
use MediaWiki\SpecialPage\QueryPage;
use MediaWiki\Title\Title;
use stdClass;
use Wikimedia\Rdbms\IConnectionProvider;
/**
* Implements Special:Unusedcategories
*
* @ingroup SpecialPage
*/
class SpecialUnusedCategories extends QueryPage {
public function __construct(
IConnectionProvider $dbProvider,
LinkBatchFactory $linkBatchFactory
) {
parent::__construct( 'Unusedcategories' );
$this->setDatabaseProvider( $dbProvider );
$this->setLinkBatchFactory( $linkBatchFactory );
}
public function isExpensive() {
return true;
}
protected function getPageHeader() {
return $this->msg( 'unusedcategoriestext' )->parseAsBlock();
}
protected function getOrderFields() {
return [ 'title' ];
}
public function getQueryInfo() {
return [
'tables' => [ 'page', 'categorylinks', 'page_props' ],
'fields' => [
'namespace' => 'page_namespace',
'title' => 'page_title',
],
'conds' => [
'cl_from' => null,
'page_namespace' => NS_CATEGORY,
'page_is_redirect' => 0,
'pp_page' => null,
],
'join_conds' => [
'categorylinks' => [ 'LEFT JOIN', 'cl_to = page_title' ],
'page_props' => [ 'LEFT JOIN', [
'page_id = pp_page',
'pp_propname' => 'expectunusedcategory'
] ]
]
];
}
/**
* A should come before Z (T32907)
* @return bool
*/
protected function sortDescending() {
return false;
}
/**
* @param Skin $skin
* @param stdClass $result Result row
* @return string
*/
public function formatResult( $skin, $result ) {
$title = Title::makeTitle( NS_CATEGORY, $result->title );
return $this->getLinkRenderer()->makeLink( $title, $title->getText() );
}
protected function getGroupName() {
return 'maintenance';
}
public function preprocessResults( $db, $res ) {
$this->executeLBFromResultWrapper( $res );
}
}
/**
* Retain the old class name for backwards compatibility.
* @deprecated since 1.41
*/
class_alias( SpecialUnusedCategories::class, 'SpecialUnusedCategories' );

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Fri, Jul 3, 20:37 (1 d, 7 h)
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SpecialUnusedCategories.php (2 KB)

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