Pony.fm/app/Http/Controllers/Api/Web/SearchController.php

<?php

/**
 * Pony.fm - A community for pony fan music.
 * Copyright (C) 2016 Peter Deltchev
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Poniverse\Ponyfm\Http\Controllers\Api\Web;

use Elasticsearch;
use Poniverse\Ponyfm\Http\Controllers\ApiControllerBase;
use Input;
use Response;

class SearchController extends ApiControllerBase
{
    public function getSearch()
    {
        $input = Input::all();

        $elasticsearch = Elasticsearch::connection();

        $results = $elasticsearch->search([
            'index' => 'ponyfm',
            'type'  => 'track,album',
            'body'  => [
                'query' => [
                    'multi_match' => [
                        'query'     => $input['query'],
                        'fields'    => [
                            'track.title',
                            'album.title',
                            'track.artist',
                            'album.artist',
                            'track.genre',
                        ]
                    ]
                ]
            ]
        ]);

        return Response::json([
            'results' => $results,
        ], 200);
    }
}