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<?php
namespace Engelsystem\Helpers\Translation;
use Engelsystem\Config\Config;
use Engelsystem\Container\ServiceProvider;
use Gettext\Translations;
use Illuminate\Support\Str;
use Symfony\Component\HttpFoundation\Session\Session;
class TranslationServiceProvider extends ServiceProvider
{
/** @var GettextTranslator */
protected $translators = [];
public function register(): void
{
/** @var Config $config */
$config = $this->app->get('config');
/** @var Session $session */
$session = $this->app->get('session');
$locales = $config->get('locales');
$locale = $config->get('default_locale');
$fallbackLocale = $config->get('fallback_locale', 'en_US');
$sessionLocale = $session->get('locale', $locale);
if (isset($locales[$sessionLocale])) {
$locale = $sessionLocale;
}
$session->set('locale', $locale);
$translator = $this->app->make(
Translator::class,
[
'locale' => $locale,
'locales' => $locales,
'fallbackLocale' => $fallbackLocale,
'getTranslatorCallback' => [$this, 'getTranslator'],
'localeChangeCallback' => [$this, 'setLocale'],
]
);
$this->app->singleton(Translator::class, function () use ($translator) {
return $translator;
});
$this->app->alias(Translator::class, 'translator');
}
/**
* @param string $locale
* @codeCoverageIgnore
*/
public function setLocale(string $locale): void
{
$locale .= '.UTF-8';
// Set the users locale
putenv('LC_ALL=' . $locale);
setlocale(LC_ALL, $locale);
// Reset numeric formatting to allow output of floats
putenv('LC_NUMERIC=C');
setlocale(LC_NUMERIC, 'C');
}
/**
* @param string $locale
* @return GettextTranslator
*/
public function getTranslator(string $locale): GettextTranslator
{
if (!isset($this->translators[$locale])) {
$names = ['default', 'additional'];
/** @var GettextTranslator $translator */
$translator = $this->app->make(GettextTranslator::class);
/** @var Translations $translations */
$translations = $this->app->make(Translations::class);
foreach ($names as $name) {
$file = $this->getFile($locale, $name);
if (Str::endsWith($file, '.mo')) {
$translations->addFromMoFile($file);
} else {
$translations->addFromPoFile($file);
}
}
$translator->loadTranslations($translations);
$this->translators[$locale] = $translator;
}
return $this->translators[$locale];
}
/**
* @param string $locale
* @param string $name
* @return string
*/
protected function getFile(string $locale, string $name = 'default'): string
{
$filepath = $file = $this->app->get('path.lang') . '/' . $locale . '/' . $name;
$file = $filepath . '.mo';
if (!file_exists($file)) {
$file = $filepath . '.po';
}
return $file;
}
}
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