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<?php
/**
* Implements Special:Mostcategories
*
* 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 list pages that have highest category count
*
* @ingroup SpecialPage
*/
class MostcategoriesPage extends QueryPage {
function __construct( $name = 'Mostcategories' ) {
parent::__construct( $name );
}
public function isExpensive() {
return true;
}
function isSyndicated() {
return false;
}
public function getQueryInfo() {
return [
'tables' => [ 'categorylinks', 'page' ],
'fields' => [
'namespace' => 'page_namespace',
'title' => 'page_title',
'value' => 'COUNT(*)'
],
'conds' => [ 'page_namespace' => MWNamespace::getContentNamespaces() ],
'options' => [
'HAVING' => 'COUNT(*) > 1',
'GROUP BY' => [ 'page_namespace', 'page_title' ]
],
'join_conds' => [
'page' => [
'LEFT JOIN',
'page_id = cl_from'
]
]
];
}
/**
* @param IDatabase $db
* @param IResultWrapper $res
*/
function preprocessResults( $db, $res ) {
$this->executeLBFromResultWrapper( $res );
}
/**
* @param Skin $skin
* @param object $result Result row
* @return string
*/
function formatResult( $skin, $result ) {
$title = Title::makeTitleSafe( $result->namespace, $result->title );
if ( !$title ) {
return Html::element(
'span',
[ 'class' => 'mw-invalidtitle' ],
Linker::getInvalidTitleDescription(
$this->getContext(),
$result->namespace,
$result->title
)
);
}
$linkRenderer = $this->getLinkRenderer();
if ( $this->isCached() ) {
$link = $linkRenderer->makeLink( $title );
} else {
$link = $linkRenderer->makeKnownLink( $title );
}
$count = $this->msg( 'ncategories' )->numParams( $result->value )->escaped();
return $this->getLanguage()->specialList( $link, $count );
}
protected function getGroupName() {
return 'highuse';
}
}
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