79 lines
2.1 KiB
PHP
79 lines
2.1 KiB
PHP
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<?php
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namespace Modules\Core\Localization;
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use Closure;
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use Illuminate\Http\Request;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\App;
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use Illuminate\Support\Facades\Cache;
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use Lunar\Models\Language;
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use Symfony\Component\HttpFoundation\Response;
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class LocaleMiddleware
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{
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private const CACHE_KEY = 'core.localization.languages';
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public function handle(Request $request, Closure $next): Response
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{
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$languages = $this->availableLanguages();
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if ($languages->isEmpty()) {
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return $next($request);
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}
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$segment = (string) $request->segment(1);
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$language = $languages->firstWhere('code', $segment);
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if (! $language) {
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return $this->redirectToLocalizedUrl($request, $languages);
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}
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App::setLocale($language->code);
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$request->attributes->set('locale', $language->code);
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$request->attributes->set('language', $language);
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return $next($request);
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}
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public static function forgetLanguagesCache(): void
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{
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Cache::forget(self::CACHE_KEY);
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}
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private function redirectToLocalizedUrl(Request $request, Collection $languages): Response
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{
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$locale = $this->negotiateLocale($request, $languages);
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$path = trim($request->getPathInfo(), '/');
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$target = '/'.$locale.($path !== '' ? '/'.$path : '');
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$query = $request->getQueryString();
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if ($query) {
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$target .= '?'.$query;
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}
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return redirect($target);
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}
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private function negotiateLocale(Request $request, Collection $languages): string
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{
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$preferred = $request->getPreferredLanguage($languages->pluck('code')->all());
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if ($preferred) {
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return $preferred;
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}
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return $languages->firstWhere('default', true)?->code
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?? $languages->first()->code;
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}
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private function availableLanguages(): Collection
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{
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return Cache::rememberForever(
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self::CACHE_KEY,
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fn () => Language::query()->get(['id', 'code', 'name', 'default']),
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);
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}
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}
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