xref: /webtrees/app/Module/ModuleMapAutocompleteTrait.php (revision b344f1f7922af1b65f23df39e4b97959ef06b6b4) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 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
30use function strlen;
31
32/**
33 * Trait ModuleMapAutocompleteTrait - default implementation of ModuleMapAutocompleteInterface
34 */
35trait ModuleMapAutocompleteTrait
36{
37    /**
38     * A unique internal name for this module (based on the installation folder).
39     *
40     * @return string
41     */
42    abstract public function name(): string;
43
44    /**
45     * @param string $place
46     *
47     * @return array<string>
48     */
49    public function searchPlaceNames(string $place): array
50    {
51        if (strlen($place) <= 2) {
52            return [];
53        }
54
55        $key   = $this->name() . $place;
56        $cache = Registry::cache()->file();
57        $ttl   = 86400;
58
59        try {
60            return $cache->remember($key, function () use ($place) {
61                $request = $this->createPlaceNameSearchRequest($place);
62
63                $client = new Client([
64                    'timeout' => 3,
65                ]);
66
67                $response = $client->send($request);
68
69                if ($response->getStatusCode() === StatusCodeInterface::STATUS_OK) {
70                    return $this->parsePlaceNameSearchResponse($response);
71                }
72
73                return [];
74            }, $ttl);
75        } catch (GuzzleException) {
76            // Service down?  Quota exceeded?
77            // Don't try for another hour.
78            $cache->remember($key, fn () => [], 3600);
79
80            return [];
81        }
82    }
83
84    /**
85     * @param string $place
86     *
87     * @return RequestInterface
88     */
89    protected function createPlaceNameSearchRequest(string $place): RequestInterface
90    {
91        return new Request('GET', '');
92    }
93
94    /**
95     * @param ResponseInterface $response
96     *
97     * @return array<string>
98     */
99    protected function parsePlaceNameSearchResponse(ResponseInterface $response): array
100    {
101        return [];
102    }
103}
104