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 */ 17declare(strict_types=1); 18 19namespace Fisharebest\Webtrees\Http\RequestHandlers; 20 21use Fisharebest\Webtrees\Services\ServerCheckService; 22use Psr\Http\Message\ResponseInterface; 23use Psr\Http\Message\ServerRequestInterface; 24use Psr\Http\Server\RequestHandlerInterface; 25 26use function response; 27 28/** 29 * Check the server is up. 30 */ 31class Ping implements RequestHandlerInterface 32{ 33 /** @var ServerCheckService */ 34 private $server_check_service; 35 36 /** 37 * @param ServerCheckService $server_check_service 38 */ 39 public function __construct(ServerCheckService $server_check_service) 40 { 41 $this->server_check_service = $server_check_service; 42 } 43 44 /** 45 * @param ServerRequestInterface $request 46 * 47 * @return ResponseInterface 48 */ 49 public function handle(ServerRequestInterface $request): ResponseInterface 50 { 51 if ($this->server_check_service->serverErrors()->isNotEmpty()) { 52 return response('ERROR'); 53 } 54 55 if ($this->server_check_service->serverWarnings()->isNotEmpty()) { 56 return response('WARNING'); 57 } 58 59 return response('OK'); 60 } 61} 62