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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>
*/
/**
* 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 array(
'tables' => array( 'categorylinks', 'page' ),
'fields' => array(
'namespace' => 'page_namespace',
'title' => 'page_title',
'value' => 'COUNT(*)'
),
'conds' => array( 'page_namespace' => MWNamespace::getContentNamespaces() ),
'options' => array(
'HAVING' => 'COUNT(*) > 1',
'GROUP BY' => array( 'page_namespace', 'page_title' )
),
'join_conds' => array(
'page' => array(
'LEFT JOIN',
'page_id = cl_from'
)
)
);
}
/**
* @param IDatabase $db
* @param ResultWrapper $res
*/
function preprocessResults( $db, $res ) {
# There's no point doing a batch check if we aren't caching results;
# the page must exist for it to have been pulled out of the table
if ( !$this->isCached() || !$res->numRows() ) {
return;
}
$batch = new LinkBatch();
foreach ( $res as $row ) {
$batch->add( $row->namespace, $row->title );
}
$batch->execute();
$res->seek( 0 );
}
/**
* @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',
array( 'class' => 'mw-invalidtitle' ),
Linker::getInvalidTitleDescription(
$this->getContext(),
$result->namespace,
$result->title
)
);
}
if ( $this->isCached() ) {
$link = Linker::link( $title );
} else {
$link = Linker::linkKnown( $title );
}
$count = $this->msg( 'ncategories' )->numParams( $result->value )->escaped();
return $this->getLanguage()->specialList( $link, $count );
}
protected function getGroupName() {
return 'highuse';
}
}
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