xref: /webtrees/app/Http/RequestHandlers/PendingChangesLogData.php (revision cad4bddf0bafe1f7dd91c083a21c2ab1abf2ebb8) 
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\Algorithm\MyersDiff;
23use Fisharebest\Webtrees\Carbon;
24use Fisharebest\Webtrees\Gedcom;
25use Fisharebest\Webtrees\I18N;
26use Fisharebest\Webtrees\Registry;
27use Fisharebest\Webtrees\Services\DatatablesService;
28use Fisharebest\Webtrees\Services\PendingChangesService;
29use Fisharebest\Webtrees\Tree;
30use Psr\Http\Message\ResponseInterface;
31use Psr\Http\Message\ServerRequestInterface;
32use Psr\Http\Server\RequestHandlerInterface;
33use stdClass;
34
35use function e;
36use function explode;
37use function implode;
38use function preg_replace_callback;
39
40/**
41 * Find pending changes.
42 */
43class PendingChangesLogData implements RequestHandlerInterface
44{
45    private DatatablesService $datatables_service;
46
47    private MyersDiff $myers_diff;
48
49    private PendingChangesService $pending_changes_service;
50
51    /**
52     * @param DatatablesService     $datatables_service
53     * @param MyersDiff             $myers_diff
54     * @param PendingChangesService $pending_changes_service
55     */
56    public function __construct(
57        DatatablesService $datatables_service,
58        MyersDiff $myers_diff,
59        PendingChangesService $pending_changes_service
60    ) {
61        $this->datatables_service      = $datatables_service;
62        $this->myers_diff              = $myers_diff;
63        $this->pending_changes_service = $pending_changes_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        $params         = $request->getQueryParams();
77        $params['tree'] = $tree->name();
78
79        $query = $this->pending_changes_service->changesQuery($params);
80
81        $callback = function (stdClass $row) use ($tree): array {
82            $old_lines = $row->old_gedcom === '' ? [] : explode("\n", $row->old_gedcom);
83            $new_lines = $row->new_gedcom === '' ? [] : explode("\n", $row->new_gedcom);
84
85            $differences = $this->myers_diff->calculate($old_lines, $new_lines);
86            $diff_lines  = [];
87
88            foreach ($differences as $difference) {
89                switch ($difference[1]) {
90                    case MyersDiff::DELETE:
91                        $diff_lines[] = '<del>' . e($difference[0]) . '</del>';
92                        break;
93                    case MyersDiff::INSERT:
94                        $diff_lines[] = '<ins>' . e($difference[0]) . '</ins>';
95                        break;
96                    default:
97                        $diff_lines[] = e($difference[0]);
98                }
99            }
100
101            // Only convert valid xrefs to links
102            $record = Registry::gedcomRecordFactory()->make($row->xref, $tree);
103
104            return [
105                $row->change_id,
106                Carbon::make($row->change_time)->local()->format('Y-m-d H:i:s'),
107                I18N::translate($row->status),
108                $record ? '<a href="' . e($record->url()) . '">' . $record->xref() . '</a>' : $row->xref,
109                '<div class="gedcom-data" dir="ltr">' .
110                preg_replace_callback(
111                    '/@(' . Gedcom::REGEX_XREF . ')@/',
112                    static function (array $match) use ($tree): string {
113                        $record = Registry::gedcomRecordFactory()->make($match[1], $tree);
114
115                        return $record ? '<a href="' . e($record->url()) . '">' . $match[0] . '</a>' : $match[0];
116                    },
117                    implode("\n", $diff_lines)
118                ) .
119                '</div>',
120                $row->user_name,
121                $row->gedcom_name,
122            ];
123        };
124
125        return $this->datatables_service->handleQuery($request, $query, [], [], $callback);
126    }
127}
128