xref: /webtrees/app/Http/RequestHandlers/PendingChangesLogData.php (revision dce3fc17a77de429d654952a4a15ef60b3ec9fec) 
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\Algorithm\MyersDiff;
23use Fisharebest\Webtrees\Carbon;
24use Fisharebest\Webtrees\Gedcom;
25use Fisharebest\Webtrees\GedcomRecord;
26use Fisharebest\Webtrees\I18N;
27use Fisharebest\Webtrees\Services\DatatablesService;
28use Fisharebest\Webtrees\Services\PendingChangesService;
29use Fisharebest\Webtrees\Services\TreeService;
30use Fisharebest\Webtrees\Tree;
31use InvalidArgumentException;
32use Psr\Http\Message\ResponseInterface;
33use Psr\Http\Message\ServerRequestInterface;
34use Psr\Http\Server\RequestHandlerInterface;
35use stdClass;
36
37use function e;
38use function explode;
39use function implode;
40use function preg_replace_callback;
41
42/**
43 * Find pending changes.
44 */
45class PendingChangesLogData implements RequestHandlerInterface
46{
47    /** @var DatatablesService */
48    private $datatables_service;
49
50    /** @var MyersDiff */
51    private $myers_diff;
52
53    /** @var PendingChangesService */
54    private $pending_changes_service;
55
56    /**
57     * @param DatatablesService     $datatables_service
58     * @param MyersDiff             $myers_diff
59     * @param PendingChangesService $pending_changes_service
60     */
61    public function __construct(
62        DatatablesService $datatables_service,
63        MyersDiff $myers_diff,
64        PendingChangesService $pending_changes_service
65    ) {
66        $this->datatables_service      = $datatables_service;
67        $this->myers_diff              = $myers_diff;
68        $this->pending_changes_service = $pending_changes_service;
69    }
70
71    /**
72     * @param ServerRequestInterface $request
73     *
74     * @return ResponseInterface
75     */
76    public function handle(ServerRequestInterface $request): ResponseInterface
77    {
78        $tree = $request->getAttribute('tree');
79        assert($tree instanceof Tree, new InvalidArgumentException());
80
81        $query = $this->pending_changes_service->changesQuery($request);
82
83        $callback = function (stdClass $row) use ($tree): array {
84            $old_lines = explode("\n", $row->old_gedcom);
85            $new_lines = explode("\n", $row->new_gedcom);
86
87            $differences = $this->myers_diff->calculate($old_lines, $new_lines);
88            $diff_lines  = [];
89
90            foreach ($differences as $difference) {
91                switch ($difference[1]) {
92                    case MyersDiff::DELETE:
93                        $diff_lines[] = '<del>' . $difference[0] . '</del>';
94                        break;
95                    case MyersDiff::INSERT:
96                        $diff_lines[] = '<ins>' . $difference[0] . '</ins>';
97                        break;
98                    default:
99                        $diff_lines[] = $difference[0];
100                }
101            }
102
103            // Only convert valid xrefs to links
104            $record = GedcomRecord::getInstance($row->xref, $tree);
105
106            return [
107                $row->change_id,
108                Carbon::make($row->change_time)->local()->format('Y-m-d H:i:s'),
109                I18N::translate($row->status),
110                $record ? '<a href="' . e($record->url()) . '">' . $record->xref() . '</a>' : $row->xref,
111                '<div class="gedcom-data" dir="ltr">' .
112                preg_replace_callback(
113                    '/@(' . Gedcom::REGEX_XREF . ')@/',
114                    static function (array $match) use ($tree): string {
115                        $record = GedcomRecord::getInstance($match[1], $tree);
116
117                        return $record ? '<a href="' . e($record->url()) . '">' . $match[0] . '</a>' : $match[0];
118                    },
119                    implode("\n", $diff_lines)
120                ) .
121                '</div>',
122                $row->user_name,
123                $row->gedcom_name,
124            ];
125        };
126
127        return $this->datatables_service->handle($request, $query, [], [], $callback);
128    }
129}
130