Feature: Updating Product Service to handle multiple locales, fetching the correct locale, or, the default locale as fallback

src/Localization/LocaleMiddleware.php

@@ -6,19 +6,19 @@ use Closure;
 use Illuminate\Http\Request;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\App;
-use Illuminate\Support\Facades\Cache;
 use Illuminate\Support\Facades\URL;
 use Illuminate\Support\Facades\View;
 use Lunar\Models\Language;
+use Modules\Core\Localization\Services\LanguageCache;
 use Symfony\Component\HttpFoundation\Response;
 
 class LocaleMiddleware
 {
-    private const CACHE_KEY = 'core.localization.languages';
+    public function __construct(private readonly LanguageCache $languages) {}
 
     public function handle(Request $request, Closure $next): Response
     {
-        $languages = $this->availableLanguages();
+        $languages = $this->languages->all();
 
         if ($languages->isEmpty()) {
             return $next($request);
@@ -45,22 +45,6 @@ class LocaleMiddleware
         return $next($request);
     }
 
-    public static function forgetLanguagesCache(): void
-    {
-        Cache::forget(self::CACHE_KEY);
-    }
-
-    /**
-     * The store's default language code (e.g. 'el') - the fixed fallback other
-     * locale-aware code (Modules\Core\Catalog\ProductService) should use, as
-     * opposed to config('app.locale') which App::setLocale() mutates per
-     * request and so can't serve as a stable fallback.
-     */
-    public static function defaultLocale(): ?string
-    {
-        return (new self)->availableLanguages()->firstWhere('default', true)?->code;
-    }
-
     /**
      * Shares the current locale and every OTHER available locale (each with its
      * own URL for the current page) with all views, so the header language
@@ -120,12 +104,4 @@ class LocaleMiddleware
         return $languages->firstWhere('default', true)?->code
             ?? $languages->first()->code;
     }
-
-    private function availableLanguages(): Collection
-    {
-        return Cache::rememberForever(
-            self::CACHE_KEY,
-            fn () => Language::query()->get(['id', 'code', 'name', 'default']),
-        );
-    }
 }