xref: /webtrees/app/Services/DataFixService.php (revision afa67798854828b1edc33dd077960ec2b18e6140) 
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\Services;
21
22use Fisharebest\Algorithm\MyersDiff;
23use Fisharebest\Webtrees\Registry;
24use Fisharebest\Webtrees\Family;
25use Fisharebest\Webtrees\Gedcom;
26use Fisharebest\Webtrees\GedcomRecord;
27use Fisharebest\Webtrees\Individual;
28use Fisharebest\Webtrees\Media;
29use Fisharebest\Webtrees\Note;
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     * @param string $xref
50     * @param Tree   $tree
51     * @param string $type
52     *
53     * @return GedcomRecord|null
54     */
55    public function getRecordByType(string $xref, Tree $tree, string $type): ?GedcomRecord
56    {
57        switch ($type) {
58            case Family::RECORD_TYPE:
59                return Registry::familyFactory()->make($xref, $tree);
60
61            case Individual::RECORD_TYPE:
62                return Registry::individualFactory()->make($xref, $tree);
63
64            case Note::RECORD_TYPE:
65                return Registry::noteFactory()->make($xref, $tree);
66
67            case Media::RECORD_TYPE:
68                return Registry::mediaFactory()->make($xref, $tree);
69
70            case Repository::RECORD_TYPE:
71                return Registry::repositoryFactory()->make($xref, $tree);
72
73            case Source::RECORD_TYPE:
74                return Registry::sourceFactory()->make($xref, $tree);
75
76            case Submitter::RECORD_TYPE:
77                return Registry::submitterFactory()->make($xref, $tree);
78
79            default:
80                return Registry::gedcomRecordFactory()->make($xref, $tree);
81        }
82    }
83
84    /**
85     * Default preview generator.
86     *
87     * @param Tree   $tree
88     * @param string $old_gedcom
89     * @param string $new_gedcom
90     *
91     * @return string
92     */
93    public function gedcomDiff(Tree $tree, string $old_gedcom, string $new_gedcom): string
94    {
95        $old_lines   = explode("\n", $old_gedcom);
96        $new_lines   = explode("\n", $new_gedcom);
97        $algorithm   = new MyersDiff();
98        $differences = $algorithm->calculate($old_lines, $new_lines);
99        $diff_lines  = [];
100
101        foreach ($differences as $difference) {
102            switch ($difference[1]) {
103                case MyersDiff::DELETE:
104                    $diff_lines[] = '<del>' . e($difference[0]) . '</del><br>';
105                    break;
106                case MyersDiff::INSERT:
107                    $diff_lines[] = '<ins>' . e($difference[0]) . '</ins><br>';
108                    break;
109                case MyersDiff::KEEP:
110                    $diff_lines[] = e($difference[0]) . '<br>';
111                    break;
112            }
113        }
114
115        $html = implode('', $diff_lines);
116
117        $html = preg_replace_callback('/@(' . Gedcom::REGEX_XREF . ')@/', static function (array $match) use ($tree): string {
118            $record = Registry::gedcomRecordFactory()->make($match[0], $tree);
119
120            if ($record instanceof GedcomRecord) {
121                $title = strip_tags($record->fullName());
122                $href  = e($record->url());
123
124                return '<a href="' . $href . '" title="' . $title . '">' . $match[0] . '</a>';
125            }
126
127            return $match[0];
128        }, $html);
129
130        return '<pre class="gedcom-data">' . $html . '</pre>';
131    }
132}
133