xref: /webtrees/app/Http/RequestHandlers/ExportGedcomServer.php (revision 040e7dbaf82a0aee63813e56eb6c22596f79f9f2) 
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\Tree;
27use League\Flysystem\FilesystemInterface;
28use Psr\Http\Message\ResponseInterface;
29use Psr\Http\Message\ServerRequestInterface;
30use Psr\Http\Server\RequestHandlerInterface;
31use Throwable;
32
33use function assert;
34use function fclose;
35use function fopen;
36use function pathinfo;
37use function redirect;
38use function rewind;
39use function route;
40use function strtolower;
41
42use const PATHINFO_EXTENSION;
43
44/**
45 * Save a GEDCOM file on the server.
46 */
47class ExportGedcomServer implements RequestHandlerInterface
48{
49    use ViewResponseTrait;
50
51    /** @var FilesystemInterface */
52    private $filesystem;
53
54    /**
55     * ExportGedcomServer constructor.
56     *
57     * @param FilesystemInterface $filesystem
58     */
59    public function __construct(FilesystemInterface $filesystem)
60    {
61        $this->filesystem = $filesystem;
62    }
63
64    /**
65     * @param ServerRequestInterface $request
66     *
67     * @return ResponseInterface
68     */
69    public function handle(ServerRequestInterface $request): ResponseInterface
70    {
71        $tree = $request->getAttribute('tree');
72        assert($tree instanceof Tree);
73
74        $filename = $tree->name();
75
76        // Force a ".ged" suffix
77        if (strtolower(pathinfo($filename, PATHINFO_EXTENSION)) !== 'ged') {
78            $filename .= '.ged';
79        }
80
81        try {
82            $stream = fopen('php://temp', 'wb+');
83            $tree->exportGedcom($stream);
84            rewind($stream);
85            $this->filesystem->putStream($filename, $stream);
86            fclose($stream);
87
88            /* I18N: %s is a filename */
89            FlashMessages::addMessage(I18N::translate('The family tree has been exported to %s.', Html::filename($filename)), 'success');
90        } catch (Throwable $ex) {
91            FlashMessages::addMessage(
92                I18N::translate('The file %s could not be created.', Html::filename($filename)) . '<hr><samp dir="ltr">' . $ex->getMessage() . '</samp>',
93                'danger'
94            );
95        }
96
97        $url = route('manage-trees', ['tree' => $tree->name()]);
98
99        return redirect($url);
100    }
101}
102