1<?php 2 3/** 4 * webtrees: online genealogy 5 * Copyright (C) 2019 webtrees development team 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18declare(strict_types=1); 19 20namespace Fisharebest\Webtrees\Http\RequestHandlers; 21 22use Fisharebest\Webtrees\Services\ServerCheckService; 23use Psr\Http\Message\ResponseInterface; 24use Psr\Http\Message\ServerRequestInterface; 25use Psr\Http\Server\RequestHandlerInterface; 26 27use function response; 28 29/** 30 * Check the server is up. 31 */ 32class Ping implements RequestHandlerInterface 33{ 34 /** @var ServerCheckService */ 35 private $server_check_service; 36 37 /** 38 * @param ServerCheckService $server_check_service 39 */ 40 public function __construct(ServerCheckService $server_check_service) 41 { 42 $this->server_check_service = $server_check_service; 43 } 44 45 /** 46 * @param ServerRequestInterface $request 47 * 48 * @return ResponseInterface 49 */ 50 public function handle(ServerRequestInterface $request): ResponseInterface 51 { 52 if ($this->server_check_service->serverErrors()->isNotEmpty()) { 53 return response('ERROR'); 54 } 55 56 if ($this->server_check_service->serverWarnings()->isNotEmpty()) { 57 return response('WARNING'); 58 } 59 60 return response('OK'); 61 } 62} 63