xref: /webtrees/app/Module/ModuleMapAutocompleteTrait.php (revision a6081838ed8b5fd0ed499200d63e496112f9f536) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 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 <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Module;
21
22use Fig\Http\Message\StatusCodeInterface;
23use Fisharebest\Webtrees\Registry;
24use GuzzleHttp\Client;
25use GuzzleHttp\Exception\GuzzleException;
26use GuzzleHttp\Psr7\Request;
27use Psr\Http\Message\RequestInterface;
28use Psr\Http\Message\ResponseInterface;
29
30/**
31 * Trait ModuleMapAutocompleteTrait - default implementation of ModuleMapAutocompleteInterface
32 */
33trait ModuleMapAutocompleteTrait
34{
35    /**
36     * A unique internal name for this module (based on the installation folder).
37     *
38     * @return string
39     */
40    abstract public function name(): string;
41
42    /**
43     * @param string $place
44     *
45     * @return array<string>
46     */
47    public function searchPlaceNames(string $place): array
48    {
49        if (strlen($place) <= 2) {
50            return [];
51        }
52
53        $key   = $this->name() . $place;
54        $cache = Registry::cache()->file();
55        $ttl   = 86400;
56
57        try {
58            return $cache->remember($key, function () use ($place) {
59                $request = $this->createPlaceNameSearchRequest($place);
60
61                $client = new Client([
62                    'timeout' => 3,
63                ]);
64
65                $response = $client->send($request);
66
67                if ($response->getStatusCode() === StatusCodeInterface::STATUS_OK) {
68                    return $this->parsePlaceNameSearchResponse($response);
69                }
70
71                return [];
72            }, $ttl);
73        } catch (GuzzleException $ex) {
74            // Service down?  Quota exceeded?
75            // Don't try for another hour.
76            $cache->remember($key, fn () => [], 3600);
77
78            return [];
79        }
80    }
81
82    /**
83     * @param string $place
84     *
85     * @return RequestInterface
86     */
87    protected function createPlaceNameSearchRequest(/** @scrutinizer ignore-unused */ string $place): RequestInterface
88    {
89        return new Request('GET', '');
90    }
91
92    /**
93     * @param ResponseInterface $response
94     *
95     * @return array<string>
96     */
97    protected function parsePlaceNameSearchResponse(/** @scrutinizer ignore-unused */ ResponseInterface $response): array
98    {
99        return [];
100    }
101}
102