xref: /webtrees/app/Factories/FamilyFactory.php (revision 30e63383b10bafff54347985dcdbd10c40c33f62) 
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\Factories;
21
22use Closure;
23use Fisharebest\Webtrees\Contracts\FamilyFactoryInterface;
24use Fisharebest\Webtrees\Family;
25use Fisharebest\Webtrees\Gedcom;
26use Fisharebest\Webtrees\Registry;
27use Fisharebest\Webtrees\Tree;
28use Illuminate\Database\Capsule\Manager as DB;
29use stdClass;
30
31use function assert;
32use function preg_match;
33
34/**
35 * Make a Family object.
36 */
37class FamilyFactory extends AbstractGedcomRecordFactory implements FamilyFactoryInterface
38{
39    private const TYPE_CHECK_REGEX = '/^0 @[^@]+@ ' . Family::RECORD_TYPE . '/';
40
41    /**
42     * Create a family.
43     *
44     * @param string      $xref
45     * @param Tree        $tree
46     * @param string|null $gedcom
47     *
48     * @return Family|null
49     */
50    public function make(string $xref, Tree $tree, string $gedcom = null): ?Family
51    {
52        return Registry::cache()->array()->remember(__CLASS__ . $xref . '@' . $tree->id(), function () use ($xref, $tree, $gedcom) {
53            $gedcom  = $gedcom ?? $this->gedcom($xref, $tree);
54            $pending = $this->pendingChanges($tree)->get($xref);
55
56            if ($gedcom === null && ($pending === null || !preg_match(self::TYPE_CHECK_REGEX, $pending))) {
57                return null;
58            }
59
60            $xref = $this->extractXref($gedcom ?? $pending, $xref);
61
62            // Preload all the family members using a single database query.
63            preg_match_all('/\n1 (?:HUSB|WIFE|CHIL) @(' . Gedcom::REGEX_XREF . ')@/', $gedcom . "\n" . $pending, $match);
64            DB::table('individuals')
65                ->where('i_file', '=', $tree->id())
66                ->whereIn('i_id', $match[1])
67                ->get()
68                ->map(Registry::individualFactory()->mapper($tree));
69
70            return $this->new($xref, $gedcom ?? '', $pending, $tree);
71        });
72    }
73
74    /**
75     * Create a Family object from a row in the database.
76     *
77     * @param Tree $tree
78     *
79     * @return Closure
80     */
81    public function mapper(Tree $tree): Closure
82    {
83        return function (stdClass $row) use ($tree): Family {
84            $family = $this->make($row->f_id, $tree, $row->f_gedcom);
85            assert($family instanceof Family);
86
87            return $family;
88        };
89    }
90
91    /**
92     * Create a Family object from raw GEDCOM data.
93     *
94     * @param string      $xref
95     * @param string      $gedcom  an empty string for new/pending records
96     * @param string|null $pending null for a record with no pending edits,
97     *                             empty string for records with pending deletions
98     * @param Tree        $tree
99     *
100     * @return Family
101     */
102    public function new(string $xref, string $gedcom, ?string $pending, Tree $tree): Family
103    {
104        return new Family($xref, $gedcom, $pending, $tree);
105    }
106
107    /**
108     * Fetch GEDCOM data from the database.
109     *
110     * @param string $xref
111     * @param Tree   $tree
112     *
113     * @return string|null
114     */
115    protected function gedcom(string $xref, Tree $tree): ?string
116    {
117        return DB::table('families')
118            ->where('f_id', '=', $xref)
119            ->where('f_file', '=', $tree->id())
120            ->value('f_gedcom');
121    }
122}
123