xref: /webtrees/app/Factories/HeaderFactory.php (revision 756a2ca01a3791b4718ecb07a1038fdc54f5cb4c) 
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\Factories;
21
22use Closure;
23use Fisharebest\Webtrees\Contracts\HeaderFactoryInterface;
24use Fisharebest\Webtrees\DB;
25use Fisharebest\Webtrees\Header;
26use Fisharebest\Webtrees\Registry;
27use Fisharebest\Webtrees\Tree;
28
29use function preg_match;
30
31/**
32 * Make a header object.
33 */
34class HeaderFactory extends AbstractGedcomRecordFactory implements HeaderFactoryInterface
35{
36    private const TYPE_CHECK_REGEX = '/^0 ' . Header::RECORD_TYPE . '/';
37
38    /**
39     * Create a header.
40     *
41     * @param string      $xref
42     * @param Tree        $tree
43     * @param string|null $gedcom
44     *
45     * @return Header|null
46     */
47    public function make(string $xref, Tree $tree, string $gedcom = null): ?Header
48    {
49        return Registry::cache()->array()->remember(self::class . $xref . '@' . $tree->id(), function () use ($xref, $tree, $gedcom) {
50            $gedcom ??= $this->gedcom($xref, $tree);
51            $pending = $this->pendingChanges($tree)->get($xref);
52
53            if ($gedcom === null && ($pending === null || !preg_match(self::TYPE_CHECK_REGEX, $pending))) {
54                return null;
55            }
56
57            $xref = $this->extractXref($gedcom ?? $pending, $xref);
58
59            return $this->new($xref, $gedcom ?? '', $pending, $tree);
60        });
61    }
62
63    /**
64     * Create a header from a row in the database.
65     *
66     * @param Tree $tree
67     *
68     * @return Closure(object):Header
69     */
70    public function mapper(Tree $tree): Closure
71    {
72        return fn (object $row): Header => $this->make($row->o_id, $tree, $row->o_gedcom);
73    }
74
75    /**
76     * Create a header from raw GEDCOM data.
77     *
78     * @param string      $xref
79     * @param string      $gedcom  an empty string for new/pending records
80     * @param string|null $pending null for a record with no pending edits,
81     *                             empty string for records with pending deletions
82     * @param Tree        $tree
83     *
84     * @return Header
85     */
86    public function new(string $xref, string $gedcom, ?string $pending, Tree $tree): Header
87    {
88        return new Header($xref, $gedcom, $pending, $tree);
89    }
90
91    /**
92     * Fetch GEDCOM data from the database.
93     *
94     * @param string $xref
95     * @param Tree   $tree
96     *
97     * @return string|null
98     */
99    protected function gedcom(string $xref, Tree $tree): ?string
100    {
101        return DB::table('other')
102            ->where('o_id', '=', $xref)
103            ->where('o_file', '=', $tree->id())
104            ->where('o_type', '=', Header::RECORD_TYPE)
105            ->value('o_gedcom');
106    }
107}
108