Spatie\SearchIndex\SearchIndexServiceProvider::register PHP Метод

    public function register()
    {
        $this->app->singleton('searchIndex', function ($app) {
            switch ($app['config']->get('searchindex.engine')) {
                case 'elasticsearch':
                    $config = $app['config']->get('searchindex.elasticsearch');
                    $elasticSearchClient = new ElasticsearchClient(['hosts' => $config['hosts'], 'logPath' => $config['logPath'], 'logLevel' => $config['logLevel']]);
                    $searchHandler = new ElasticSearchHandler($elasticSearchClient);
                    $searchHandler->setIndexName($config['defaultIndexName']);
                    return $searchHandler;
                    break;
                case 'algolia':
                    $config = $app['config']->get('searchindex.algolia');
                    $algoliaClient = new \AlgoliaSearch\Client($config['application-id'], $config['api-key']);
                    $searchHandler = new Algolia($algoliaClient);
                    $searchHandler->setIndexName($config['defaultIndexName']);
                    return $searchHandler;
                    break;
            }
            throw new Exception($app['config']->get('searchindex.engine') . ' is not a valid search engine');
        });
    }