wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\Repo\Api;

use MediaWiki\Request\WebRequest;

/**
 * EntitySearchHelper implementation which uses entity configuration to
 * instantiate the specific handler.
 * @license GPL-2.0-or-later
 */
class TypeDispatchingEntitySearchHelper implements EntitySearchHelper {

    /**
     * @var callable[]
     */
    private $callbacks;
    /**
     * @var WebRequest
     */
    private $request;

    public function __construct( array $callbacks, WebRequest $request ) {
        $this->callbacks = $callbacks;
        $this->request = $request;
    }

    /**
     * @inheritDoc
     */
    public function getRankedSearchResults(
        $text,
        $languageCode,
        $entityType,
        $limit,
        $strictLanguage,
        ?string $profileContext
    ) {
        if ( empty( $this->callbacks[$entityType] ) ) {
            return [];
        }
        $factory = $this->callbacks[$entityType];
        $helper = $factory( $this->request );
        if ( !( $helper instanceof EntitySearchHelper ) ) {
            throw new \RuntimeException( "Bad helper returned by the factory for $entityType" );
        }
        return $helper->getRankedSearchResults( $text, $languageCode, $entityType, $limit,
            $strictLanguage, $profileContext );
    }

}