xref: /webtrees/app/Http/RequestHandlers/ExportGedcomServer.php (revision 69c05a6e92d49a04585e420425781681b3eaff1c) 
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 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Http\RequestHandlers;
21
22use Fisharebest\Webtrees\FlashMessages;
23use Fisharebest\Webtrees\Html;
24use Fisharebest\Webtrees\Http\ViewResponseTrait;
25use Fisharebest\Webtrees\I18N;
26use Fisharebest\Webtrees\Services\GedcomExportService;
27use Fisharebest\Webtrees\Tree;
28use League\Flysystem\FilesystemInterface;
29use Psr\Http\Message\ResponseInterface;
30use Psr\Http\Message\ServerRequestInterface;
31use Psr\Http\Server\RequestHandlerInterface;
32use RuntimeException;
33use Throwable;
34
35use function assert;
36use function fclose;
37use function fopen;
38use function pathinfo;
39use function redirect;
40use function rewind;
41use function route;
42use function strtolower;
43
44use const PATHINFO_EXTENSION;
45
46/**
47 * Save a GEDCOM file on the server.
48 */
49class ExportGedcomServer implements RequestHandlerInterface
50{
51    use ViewResponseTrait;
52
53    /** @var GedcomExportService */
54    private $gedcom_export_service;
55
56    /**
57     * ExportGedcomServer constructor.
58     *
59     * @param GedcomExportService $gedcom_export_service
60     */
61    public function __construct(GedcomExportService $gedcom_export_service)
62    {
63        $this->gedcom_export_service = $gedcom_export_service;
64    }
65
66    /**
67     * @param ServerRequestInterface $request
68     *
69     * @return ResponseInterface
70     */
71    public function handle(ServerRequestInterface $request): ResponseInterface
72    {
73        $tree = $request->getAttribute('tree');
74        assert($tree instanceof Tree);
75
76        $data_filesystem = $request->getAttribute('filesystem.data');
77        assert($data_filesystem instanceof FilesystemInterface);
78
79        $filename = $tree->name();
80
81        // Force a ".ged" suffix
82        if (strtolower(pathinfo($filename, PATHINFO_EXTENSION)) !== 'ged') {
83            $filename .= '.ged';
84        }
85
86        try {
87            $stream = fopen('php://temp', 'wb+');
88
89            if ($stream === false) {
90                throw new RuntimeException('Failed to create temporary stream');
91            }
92
93            $this->gedcom_export_service->export($tree, $stream, true);
94            rewind($stream);
95            $data_filesystem->putStream($filename, $stream);
96            fclose($stream);
97
98            /* I18N: %s is a filename */
99            FlashMessages::addMessage(I18N::translate('The family tree has been exported to %s.', Html::filename($filename)), 'success');
100        } catch (Throwable $ex) {
101            FlashMessages::addMessage(
102                I18N::translate('The file %s could not be created.', Html::filename($filename)) . '<hr><samp dir="ltr">' . $ex->getMessage() . '</samp>',
103                'danger'
104            );
105        }
106
107        $url = route('manage-trees', ['tree' => $tree->name()]);
108
109        return redirect($url);
110    }
111}
112