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