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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\Html\Html;
use MediaWiki\HTMLForm\HTMLForm;
use MediaWiki\Skin\Skin;
use MediaWiki\SpecialPage\QueryPage;
use MediaWiki\Title\Title;
use stdClass;
use Wikimedia\Rdbms\IConnectionProvider;
/**
* Special:PagesWithProp to search the page_props table
*
* @ingroup SpecialPage
* @since 1.21
*/
class SpecialPagesWithProp extends QueryPage {
/**
* @var string|null
*/
private $propName = null;
/**
* @var string[]|null
*/
private $existingPropNames = null;
/**
* @var int|null
*/
private $ns;
/**
* @var bool
*/
private $reverse = false;
/**
* @var bool
*/
private $sortByValue = false;
public function __construct( IConnectionProvider $dbProvider ) {
parent::__construct( 'PagesWithProp' );
$this->setDatabaseProvider( $dbProvider );
}
public function isCacheable() {
return false;
}
public function execute( $par ) {
$this->setHeaders();
$this->outputHeader();
$this->getOutput()->addModuleStyles( 'mediawiki.special' );
$request = $this->getRequest();
$propname = $request->getVal( 'propname', $par );
$this->ns = $request->getIntOrNull( 'namespace' );
$this->reverse = $request->getBool( 'reverse' );
$this->sortByValue = $request->getBool( 'sortbyvalue' );
$propnames = $this->getExistingPropNames();
$fields = [
'propname' => [
'type' => 'combobox',
'name' => 'propname',
'options' => $propnames,
'default' => $propname,
'label-message' => 'pageswithprop-prop',
'required' => true,
],
'namespace' => [
'type' => 'namespaceselect',
'name' => 'namespace',
'label-message' => 'namespace',
'all' => '',
'default' => $this->ns,
],
'reverse' => [
'type' => 'check',
'name' => 'reverse',
'default' => $this->reverse,
'label-message' => 'pageswithprop-reverse',
'required' => false,
],
'sortbyvalue' => [
'type' => 'check',
'name' => 'sortbyvalue',
'default' => $this->sortByValue,
'label-message' => 'pageswithprop-sortbyvalue',
'required' => false,
]
];
$form = HTMLForm::factory( 'ooui', $fields, $this->getContext() )
->setMethod( 'get' )
->setTitle( $this->getPageTitle() ) // Remove subpage
->setSubmitCallback( [ $this, 'onSubmit' ] )
->setWrapperLegendMsg( 'pageswithprop-legend' )
->addHeaderHtml( $this->msg( 'pageswithprop-text' )->parseAsBlock() )
->setSubmitTextMsg( 'pageswithprop-submit' )
->prepareForm();
$form->displayForm( false );
if ( $propname !== '' && $propname !== null ) {
$form->trySubmit();
}
}
public function onSubmit( $data, $form ) {
$this->propName = $data['propname'];
parent::execute( $data['propname'] );
}
/**
* Return an array of subpages beginning with $search that this special page will accept.
*
* @param string $search Prefix to search for
* @param int $limit Maximum number of results to return
* @param int $offset Number of pages to skip
* @return string[] Matching subpages
*/
public function prefixSearchSubpages( $search, $limit, $offset ) {
$subpages = array_keys( $this->queryExistingProps( $limit, $offset ) );
// We've already limited and offsetted, set to N and 0 respectively.
return self::prefixSearchArray( $search, count( $subpages ), $subpages, 0 );
}
/**
* Disable RSS/Atom feeds
* @return bool
*/
public function isSyndicated() {
return false;
}
/**
* @inheritDoc
*/
protected function linkParameters() {
$params = [
'reverse' => $this->reverse,
'sortbyvalue' => $this->sortByValue,
];
if ( $this->ns !== null ) {
$params['namespace'] = $this->ns;
}
return $params;
}
public function getQueryInfo() {
$query = [
'tables' => [ 'page_props', 'page' ],
'fields' => [
'page_id' => 'pp_page',
'page_namespace',
'page_title',
'page_len',
'page_is_redirect',
'page_latest',
'pp_value',
],
'conds' => [
'pp_propname' => $this->propName,
],
'join_conds' => [
'page' => [ 'JOIN', 'page_id = pp_page' ]
],
'options' => []
];
if ( $this->ns !== null ) {
$query['conds']['page_namespace'] = $this->ns;
}
return $query;
}
protected function getOrderFields() {
$sort = [ 'page_id' ];
if ( $this->sortByValue ) {
array_unshift( $sort, 'pp_sortkey' );
}
return $sort;
}
/**
* @return bool
*/
public function sortDescending() {
return !$this->reverse;
}
/**
* @param Skin $skin
* @param stdClass $result Result row
* @return string
*/
public function formatResult( $skin, $result ) {
$title = Title::newFromRow( $result );
$ret = $this->getLinkRenderer()->makeKnownLink( $title );
if ( $result->pp_value !== '' ) {
// Do not show very long or binary values on the special page
$valueLength = strlen( $result->pp_value );
$isBinary = str_contains( $result->pp_value, "\0" );
$isTooLong = $valueLength > 1024;
if ( $isBinary || $isTooLong ) {
$message = $this
->msg( $isBinary ? 'pageswithprop-prophidden-binary' : 'pageswithprop-prophidden-long' )
->sizeParams( $valueLength );
$propValue = Html::element( 'span', [ 'class' => 'prop-value-hidden' ], $message->text() );
} else {
$propValue = Html::element( 'span', [ 'class' => 'prop-value' ], $result->pp_value );
}
$ret .= $this->msg( 'colon-separator' )->escaped() . $propValue;
}
return $ret;
}
public function getExistingPropNames() {
if ( $this->existingPropNames === null ) {
$this->existingPropNames = $this->queryExistingProps();
}
return $this->existingPropNames;
}
protected function queryExistingProps( $limit = null, $offset = 0 ) {
$queryBuilder = $this->getDatabaseProvider()
->getReplicaDatabase()
->newSelectQueryBuilder()
->select( 'pp_propname' )
->distinct()
->from( 'page_props' )
->orderBy( 'pp_propname' );
if ( $limit ) {
$queryBuilder->limit( $limit );
}
if ( $offset ) {
$queryBuilder->offset( $offset );
}
$res = $queryBuilder->caller( __METHOD__ )->fetchResultSet();
$propnames = [];
foreach ( $res as $row ) {
$propnames[$row->pp_propname] = $row->pp_propname;
}
return $propnames;
}
protected function getGroupName() {
return 'pages';
}
}
/**
* Retain the old class name for backwards compatibility.
* @deprecated since 1.41
*/
class_alias( SpecialPagesWithProp::class, 'SpecialPagesWithProp' );