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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Engelsystem\Helpers\Translation; |
| 6 | |
| 7 | use Engelsystem\Config\Config; |
| 8 | use Engelsystem\Container\ServiceProvider; |
| 9 | use Engelsystem\Http\Request; |
| 10 | use Gettext\Loader\MoLoader; |
| 11 | use Gettext\Loader\PoLoader; |
| 12 | use Gettext\Translations; |
| 13 | use Illuminate\Contracts\Container\BindingResolutionException; |
| 14 | use Illuminate\Support\Str; |
| 15 | use Symfony\Component\HttpFoundation\Session\Session; |
| 16 | |
| 17 | class TranslationServiceProvider extends ServiceProvider |
| 18 | { |
| 19 | protected GettextTranslator|array $translators = []; |
| 20 | |
| 21 | public function register(): void |
| 22 | { |
| 23 | /** @var Config $config */ |
| 24 | $config = $this->app->get('config'); |
| 25 | /** @var Session $session */ |
| 26 | $session = $this->app->get('session'); |
| 27 | /** @var Request $request */ |
| 28 | $request = $this->app->get('request'); |
| 29 | |
| 30 | $locales = $config->get('locales'); |
| 31 | $defaultLocale = $config->get('default_locale'); |
| 32 | $fallbackLocale = $config->get('fallback_locale', 'en_US'); |
| 33 | $locale = $request->getPreferredLanguage(array_merge([$defaultLocale], array_keys($locales))); |
| 34 | |
| 35 | $sessionLocale = $session->get('locale', $locale); |
| 36 | if (isset($locales[$sessionLocale])) { |
| 37 | $locale = $sessionLocale; |
| 38 | } |
| 39 | |
| 40 | $session->set('locale', $locale); |
| 41 | |
| 42 | $translator = $this->app->make( |
| 43 | Translator::class, |
| 44 | [ |
| 45 | 'locale' => $locale, |
| 46 | 'locales' => $locales, |
| 47 | 'fallbackLocale' => $fallbackLocale, |
| 48 | 'getTranslatorCallback' => [$this, 'getTranslator'], |
| 49 | 'localeChangeCallback' => [$this, 'setLocale'], |
| 50 | ] |
| 51 | ); |
| 52 | $this->app->singleton(Translator::class, function () use ($translator) { |
| 53 | return $translator; |
| 54 | }); |
| 55 | $this->app->alias(Translator::class, 'translator'); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * @codeCoverageIgnore |
| 60 | */ |
| 61 | public function setLocale(string $locale): void |
| 62 | { |
| 63 | $locale .= '.UTF-8'; |
| 64 | // Set the users locale |
| 65 | putenv('LC_ALL=' . $locale); |
| 66 | setlocale(LC_ALL, $locale); |
| 67 | |
| 68 | // Reset numeric formatting to allow output of floats |
| 69 | putenv('LC_NUMERIC=C'); |
| 70 | setlocale(LC_NUMERIC, 'C'); |
| 71 | } |
| 72 | |
| 73 | public function getTranslator(string $locale): GettextTranslator |
| 74 | { |
| 75 | if (isset($this->translators[$locale])) { |
| 76 | return $this->translators[$locale]; |
| 77 | } |
| 78 | |
| 79 | $names = ['default', 'additional']; |
| 80 | |
| 81 | /** @var Translations $translations */ |
| 82 | $translations = $this->app->call([Translations::class, 'create']); |
| 83 | $path = $this->app->get('path.lang'); |
| 84 | foreach ($names as $name) { |
| 85 | $file = $this->getFile($locale, $path, $name); |
| 86 | $translations = $this->loadFile($file, $translations); |
| 87 | } |
| 88 | |
| 89 | $file = $this->getFile($locale, $this->app->get('path.config') . '/lang', 'custom'); |
| 90 | $translations = $this->loadFile($file, $translations); |
| 91 | |
| 92 | /** @var GettextTranslator $translator */ |
| 93 | $translator = GettextTranslator::createFromTranslations($translations); |
| 94 | $this->translators[$locale] = $translator; |
| 95 | |
| 96 | return $this->translators[$locale]; |
| 97 | } |
| 98 | |
| 99 | protected function loadFile(string $file, Translations $translations): Translations |
| 100 | { |
| 101 | if (!file_exists($file)) { |
| 102 | return $translations; |
| 103 | } |
| 104 | |
| 105 | $loader = $this->getFileLoader($file); |
| 106 | |
| 107 | return $loader->loadFile($file, $translations); |
| 108 | } |
| 109 | |
| 110 | protected function getFile(string $locale, string $basePath, string $name = 'default'): string |
| 111 | { |
| 112 | $filepath = $basePath . '/' . $locale . '/' . $name; |
| 113 | $file = $filepath . '.mo'; |
| 114 | |
| 115 | if (!file_exists($file)) { |
| 116 | $file = $filepath . '.po'; |
| 117 | } |
| 118 | |
| 119 | return $file; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * @throws BindingResolutionException |
| 124 | */ |
| 125 | protected function getFileLoader(string $file): MoLoader|PoLoader |
| 126 | { |
| 127 | if (Str::endsWith($file, '.mo')) { |
| 128 | /** @var MoLoader $loader */ |
| 129 | return $this->app->make(MoLoader::class); |
| 130 | } else { |
| 131 | /** @var PoLoader $loader */ |
| 132 | return $this->app->make(PoLoader::class); |
| 133 | } |
| 134 | } |
| 135 | } |