xref: /webtrees/app/Services/DataFixService.php (revision a8f83fd89fae22c21bcddd599dd0b44788bd7064) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2023 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\Services;
21
22use Fisharebest\Algorithm\MyersDiff;
23use Fisharebest\Webtrees\Family;
24use Fisharebest\Webtrees\Gedcom;
25use Fisharebest\Webtrees\GedcomRecord;
26use Fisharebest\Webtrees\Individual;
27use Fisharebest\Webtrees\Media;
28use Fisharebest\Webtrees\Note;
29use Fisharebest\Webtrees\Registry;
30use Fisharebest\Webtrees\Repository;
31use Fisharebest\Webtrees\Source;
32use Fisharebest\Webtrees\Submitter;
33use Fisharebest\Webtrees\Tree;
34
35use function e;
36use function explode;
37use function implode;
38use function preg_replace_callback;
39use function strip_tags;
40
41/**
42 * Bulk updates on genealogy data
43 */
44class DataFixService
45{
46    /**
47     * Since we know the type, this is quicker than calling Registry::gedcomRecordFactory()->make().
48     */
49    public function getRecordByType(string $xref, Tree $tree, string $type): GedcomRecord|null
50    {
51        switch ($type) {
52            case Family::RECORD_TYPE:
53                return Registry::familyFactory()->make($xref, $tree);
54
55            case Individual::RECORD_TYPE:
56                return Registry::individualFactory()->make($xref, $tree);
57
58            case Note::RECORD_TYPE:
59                return Registry::noteFactory()->make($xref, $tree);
60
61            case Media::RECORD_TYPE:
62                return Registry::mediaFactory()->make($xref, $tree);
63
64            case Repository::RECORD_TYPE:
65                return Registry::repositoryFactory()->make($xref, $tree);
66
67            case Source::RECORD_TYPE:
68                return Registry::sourceFactory()->make($xref, $tree);
69
70            case Submitter::RECORD_TYPE:
71                return Registry::submitterFactory()->make($xref, $tree);
72
73            default:
74                return Registry::gedcomRecordFactory()->make($xref, $tree);
75        }
76    }
77
78    /**
79     * Default preview generator.
80     *
81     * @param Tree   $tree
82     * @param string $old_gedcom
83     * @param string $new_gedcom
84     *
85     * @return string
86     */
87    public function gedcomDiff(Tree $tree, string $old_gedcom, string $new_gedcom): string
88    {
89        $old_lines   = explode("\n", $old_gedcom);
90        $new_lines   = explode("\n", $new_gedcom);
91        $algorithm   = new MyersDiff();
92        $differences = $algorithm->calculate($old_lines, $new_lines);
93        $diff_lines  = [];
94
95        foreach ($differences as $difference) {
96            switch ($difference[1]) {
97                case MyersDiff::DELETE:
98                    $diff_lines[] = '<del>' . e($difference[0]) . '</del><br>';
99                    break;
100                case MyersDiff::INSERT:
101                    $diff_lines[] = '<ins>' . e($difference[0]) . '</ins><br>';
102                    break;
103                case MyersDiff::KEEP:
104                    $diff_lines[] = e($difference[0]) . '<br>';
105                    break;
106            }
107        }
108
109        $html = implode('', $diff_lines);
110
111        $html = preg_replace_callback('/@(' . Gedcom::REGEX_XREF . ')@/', static function (array $match) use ($tree): string {
112            $record = Registry::gedcomRecordFactory()->make($match[0], $tree);
113
114            if ($record instanceof GedcomRecord) {
115                $title = strip_tags($record->fullName());
116                $href  = e($record->url());
117
118                return '<a href="' . $href . '" title="' . $title . '">' . $match[0] . '</a>';
119            }
120
121            return $match[0];
122        }, $html);
123
124        return '<pre class="gedcom-data">' . $html . '</pre>';
125    }
126}
127