includes/api/ApiQueryPrefixSearch.php
<?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
* @since 1.23
*/
namespace MediaWiki\Api;
use SearchEngine;
use SearchEngineConfig;
use SearchEngineFactory;
/**
* @ingroup API
*/
class ApiQueryPrefixSearch extends ApiQueryGeneratorBase {
use \MediaWiki\Api\SearchApi;
/**
* @param ApiQuery $query
* @param string $moduleName
* @param SearchEngineConfig $searchEngineConfig
* @param SearchEngineFactory $searchEngineFactory
*/
public function __construct(
ApiQuery $query,
$moduleName,
SearchEngineConfig $searchEngineConfig,
SearchEngineFactory $searchEngineFactory
) {
parent::__construct( $query, $moduleName, 'ps' );
// Services needed in SearchApi trait
$this->searchEngineConfig = $searchEngineConfig;
$this->searchEngineFactory = $searchEngineFactory;
}
public function execute() {
$this->run();
}
public function executeGenerator( $resultPageSet ) {
$this->run( $resultPageSet );
}
/**
* @param ApiPageSet|null $resultPageSet
*/
private function run( $resultPageSet = null ) {
$params = $this->extractRequestParams();
$search = $params['search'];
$limit = $params['limit'];
$offset = $params['offset'];
$searchEngine = $this->buildSearchEngine( $params );
$suggestions = $searchEngine->completionSearchWithVariants( $search );
$titles = $searchEngine->extractTitles( $suggestions );
if ( $suggestions->hasMoreResults() ) {
$this->setContinueEnumParameter( 'offset', $offset + $limit );
}
if ( $resultPageSet ) {
$resultPageSet->setRedirectMergePolicy( static function ( array $current, array $new ) {
if ( !isset( $current['index'] ) || $new['index'] < $current['index'] ) {
$current['index'] = $new['index'];
}
return $current;
} );
$resultPageSet->populateFromTitles( $titles );
foreach ( $titles as $index => $title ) {
$resultPageSet->setGeneratorData( $title, [ 'index' => $index + $offset + 1 ] );
}
} else {
$result = $this->getResult();
$count = 0;
foreach ( $titles as $title ) {
$vals = [
'ns' => $title->getNamespace(),
'title' => $title->getPrefixedText(),
];
if ( $title->isSpecialPage() ) {
$vals['special'] = true;
} else {
$vals['pageid'] = (int)$title->getArticleID();
}
$fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $vals );
++$count;
if ( !$fit ) {
$this->setContinueEnumParameter( 'offset', $offset + $count );
break;
}
}
$result->addIndexedTagName(
[ 'query', $this->getModuleName() ], $this->getModulePrefix()
);
}
}
public function getCacheMode( $params ) {
return 'public';
}
public function getAllowedParams() {
return $this->buildCommonApiParams();
}
public function getSearchProfileParams() {
return [
'profile' => [
'profile-type' => SearchEngine::COMPLETION_PROFILE_TYPE,
'help-message' => 'apihelp-query+prefixsearch-param-profile',
],
];
}
protected function getExamplesMessages() {
return [
'action=query&list=prefixsearch&pssearch=meaning'
=> 'apihelp-query+prefixsearch-example-simple',
];
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Prefixsearch';
}
}
/** @deprecated class alias since 1.43 */
class_alias( ApiQueryPrefixSearch::class, 'ApiQueryPrefixSearch' );