Page MenuHomeWickedGov Phorge
Files F5962169

SpecialShortPages.php
No OneTemporary
Actions

Size
6 KB
Referenced Files
None
Subscribers
None

SpecialShortPages.php
View Options

<?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\Html\Html;
use MediaWiki\Linker\Linker;
use MediaWiki\MainConfigNames;
use MediaWiki\SpecialPage\QueryPage;
use MediaWiki\Title\NamespaceInfo;
use MediaWiki\Title\Title;
use Skin;
use stdClass;
use Wikimedia\Rdbms\IConnectionProvider;
use Wikimedia\Rdbms\IDatabase;
use Wikimedia\Rdbms\IResultWrapper;
/**
* List of the shortest pages in the database.
*
* @ingroup SpecialPage
*/
class SpecialShortPages extends QueryPage {
private NamespaceInfo $namespaceInfo;
/**
* @param NamespaceInfo $namespaceInfo
* @param IConnectionProvider $dbProvider
* @param LinkBatchFactory $linkBatchFactory
*/
public function __construct(
NamespaceInfo $namespaceInfo,
IConnectionProvider $dbProvider,
LinkBatchFactory $linkBatchFactory
) {
parent::__construct( 'Shortpages' );
$this->namespaceInfo = $namespaceInfo;
$this->setDatabaseProvider( $dbProvider );
$this->setLinkBatchFactory( $linkBatchFactory );
}
public function isSyndicated() {
return false;
}
public function getQueryInfo() {
$config = $this->getConfig();
$tables = [ 'page' ];
$conds = [
'page_namespace' => array_diff(
$this->namespaceInfo->getContentNamespaces(),
$config->get( MainConfigNames::ShortPagesNamespaceExclusions )
),
'page_is_redirect' => 0
];
$joinConds = [];
$options = [ 'USE INDEX' => [ 'page' => 'page_redirect_namespace_len' ] ];
// Allow extensions to modify the query
$this->getHookRunner()->onShortPagesQuery( $tables, $conds, $joinConds, $options );
return [
'tables' => $tables,
'fields' => [
'namespace' => 'page_namespace',
'title' => 'page_title',
'value' => 'page_len'
],
'conds' => $conds,
'join_conds' => $joinConds,
'options' => $options
];
}
public function reallyDoQuery( $limit, $offset = false ) {
$fname = static::class . '::reallyDoQuery';
$dbr = $this->getRecacheDB();
$query = $this->getQueryInfo();
$conds = isset( $query['conds'] ) ? (array)$query['conds'] : [];
$namespaces = $conds['page_namespace'];
unset( $conds['page_namespace'] );
if ( count( $namespaces ) === 1 || !$dbr->unionSupportsOrderAndLimit() ) {
return parent::reallyDoQuery( $limit, $offset );
}
// Optimization: Fix slow query on MySQL the case of multiple content namespaces,
// by rewriting this as a UNION of separate single namespace queries (T168010).
$sqb = $dbr->newSelectQueryBuilder()
->select( isset( $query['fields'] ) ? (array)$query['fields'] : [] )
->tables( isset( $query['tables'] ) ? (array)$query['tables'] : [] )
->where( $conds )
->options( isset( $query['options'] ) ? (array)$query['options'] : [] )
->joinConds( isset( $query['join_conds'] ) ? (array)$query['join_conds'] : [] );
if ( $limit !== false ) {
if ( $offset !== false ) {
// We need to increase the limit by the offset rather than
// using the offset directly, otherwise it'll skip incorrectly
// in the subqueries.
$sqb->limit( intval( $limit ) + intval( $offset ) );
} else {
$sqb->limit( intval( $limit ) );
}
}
$order = $this->getOrderFields();
if ( $this->sortDescending() ) {
foreach ( $order as &$field ) {
$field .= ' DESC';
}
}
$uqb = $dbr->newUnionQueryBuilder()->all();
foreach ( $namespaces as $namespace ) {
$nsSqb = clone $sqb;
$nsSqb->orderBy( $order );
$nsSqb->andWhere( [ 'page_namespace' => $namespace ] );
$uqb->add( $nsSqb );
}
if ( $limit !== false ) {
$uqb->limit( intval( $limit ) );
}
if ( $offset !== false ) {
$uqb->offset( intval( $offset ) );
}
$orderBy = 'value';
if ( $this->sortDescending() ) {
$orderBy .= ' DESC';
}
$uqb->orderBy( $orderBy );
return $uqb->caller( $fname )->fetchResultSet();
}
protected function getOrderFields() {
return [ 'page_len' ];
}
/**
* @param IDatabase $db
* @param IResultWrapper $res
*/
public function preprocessResults( $db, $res ) {
$this->executeLBFromResultWrapper( $res );
}
protected function sortDescending() {
return false;
}
/**
* @param Skin $skin
* @param stdClass $result Result row
* @return string
*/
public 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();
$hlink = $linkRenderer->makeKnownLink(
$title,
$this->msg( 'hist' )->text(),
[],
[ 'action' => 'history' ]
);
$hlinkInParentheses = $this->msg( 'parentheses' )->rawParams( $hlink )->escaped();
if ( $this->isCached() ) {
$plink = $linkRenderer->makeLink( $title );
$exists = $title->exists();
} else {
$plink = $linkRenderer->makeKnownLink( $title );
$exists = true;
}
$contentLanguage = $this->getContentLanguage();
$bdiAttrs = [
'dir' => $contentLanguage->getDir(),
'lang' => $contentLanguage->getHtmlCode(),
];
$plink = Html::rawElement( 'bdi', $bdiAttrs, $plink );
$size = $this->msg( 'nbytes' )->numParams( $result->value )->escaped();
$result = "{$hlinkInParentheses} {$plink} [{$size}]";
return $exists ? $result : Html::rawElement( 'del', [], $result );
}
protected function getGroupName() {
return 'maintenance';
}
}
/**
* Retain the old class name for backwards compatibility.
* @deprecated since 1.41
*/
class_alias( SpecialShortPages::class, 'SpecialShortPages' );

File Metadata

Mime Type
text/x-php
Expires
Sat, Oct 3, 08:40 (1 w, 5 d ago)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
b9/a6/1ab7ec805351ff83a6d8f7b0bf32
Default Alt Text
SpecialShortPages.php (6 KB)

Event Timeline