xref: /webtrees/app/Http/RequestHandlers/AutoCompletePlace.php (revision 6fcafd028e511367c3fcdbfaa31aa05a85bf85c0) 
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\Http\RequestHandlers;
21
22use Fisharebest\Webtrees\I18N;
23use Fisharebest\Webtrees\Place;
24use Fisharebest\Webtrees\Site;
25use Fisharebest\Webtrees\Tree;
26use GuzzleHttp\Client;
27use GuzzleHttp\Exception\RequestException;
28use Illuminate\Support\Collection;
29use Psr\Http\Message\ServerRequestInterface;
30
31use function assert;
32use function is_array;
33use function json_decode;
34use function rawurlencode;
35
36use const JSON_THROW_ON_ERROR;
37
38/**
39 * Autocomplete handler for places
40 */
41class AutoCompletePlace extends AbstractAutocompleteHandler
42{
43    // Options for fetching files using GuzzleHTTP
44    private const GUZZLE_OPTIONS = [
45        'connect_timeout' => 3,
46        'read_timeout'    => 3,
47        'timeout'         => 3,
48    ];
49
50    protected function search(ServerRequestInterface $request): Collection
51    {
52        $tree = $request->getAttribute('tree');
53        assert($tree instanceof Tree);
54
55        $query = $request->getAttribute('query');
56
57        $data = $this->search_service
58            ->searchPlaces($tree, $query, 0, static::LIMIT)
59            ->map(static function (Place $place): string {
60                return $place->gedcomName();
61            });
62
63        $geonames = Site::getPreference('geonames');
64
65        if ($data->isEmpty() && $geonames !== '') {
66            // No place found? Use an external gazetteer
67            $url =
68                'https://secure.geonames.org/searchJSON' .
69                '?name_startsWith=' . rawurlencode($query) .
70                '&lang=' . I18N::languageTag() .
71                '&fcode=CMTY&fcode=ADM4&fcode=PPL&fcode=PPLA&fcode=PPLC' .
72                '&style=full' .
73                '&username=' . rawurlencode($geonames);
74
75            // Read from the URL
76            $client = new Client();
77            try {
78                $json   = $client->get($url, self::GUZZLE_OPTIONS)->getBody()->__toString();
79                $places = json_decode($json, true, 512, JSON_THROW_ON_ERROR);
80                if (isset($places['geonames']) && is_array($places['geonames'])) {
81                    foreach ($places['geonames'] as $k => $place) {
82                        $data->add($place['name'] . ', ' . $place['adminName2'] . ', ' . $place['adminName1'] . ', ' . $place['countryName']);
83                    }
84                }
85            } catch (RequestException $ex) {
86                // Service down?  Quota exceeded?
87            }
88        }
89
90        return new Collection($data);
91    }
92}
93