xref: /webtrees/app/Module/LanguageCzech.php (revision ac71572d8462e396ed5a307f05b29381e49f9e6e) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 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\Module;
21
22use Fisharebest\Localization\Locale\LocaleCs;
23use Fisharebest\Localization\Locale\LocaleInterface;
24use Illuminate\Database\Query\Builder;
25
26use function mb_substr;
27use function str_starts_with;
28
29/**
30 * Class LanguageCzech.
31 */
32class LanguageCzech extends AbstractModule implements ModuleLanguageInterface
33{
34    use ModuleLanguageTrait;
35
36    /**
37     * Phone-book ordering of letters.
38     *
39     * @return array<int,string>
40     */
41    public function alphabet(): array
42    {
43        return ['A', 'Á', 'B', 'C', 'Č', 'D', 'Ď', 'E', 'É', 'Ě', 'F', 'G', 'H', 'CH', 'I', 'Í', 'J', 'K', 'L', 'M', 'N', 'Ň', 'O', 'Ó', 'P', 'Q', 'R', 'Ř', 'S', 'Š', 'T', 'Ť', 'U', 'Ú', 'Ů', 'V', 'W', 'X', 'Y', 'Ý', 'Z', 'Ž'];
44    }
45
46    /**
47     * Some languages use digraphs and trigraphs.
48     *
49     * @param string $string
50     *
51     * @return string
52     */
53    public function initialLetter(string $string): string
54    {
55        if (str_starts_with($string, 'CS')) {
56            return 'CS';
57        }
58
59        return mb_substr($string, 0, 1);
60    }
61
62    /**
63     * @param string  $column
64     * @param string  $letter
65     * @param Builder $query
66     *
67     * @return void
68     */
69    public function initialLetterSQL(string $column, string $letter, Builder $query): void
70    {
71        $query->where($column . ' /*! COLLATE utf8_czech_ci */', 'LIKE', '\\' . $letter . '%');
72
73        if ($letter === 'C') {
74            $query->where($column . ' /*! COLLATE utf8_czech_ci */', 'NOT LIKE', 'CS%');
75        }
76    }
77
78    /**
79     * @return LocaleInterface
80     */
81    public function locale(): LocaleInterface
82    {
83        return new LocaleCs();
84    }
85}
86