Added automatic forwarding of the localization parameter when calling group methods

Author: andrey-helldar

src/ServiceProvider.php

@@ -5,14 +5,43 @@
 namespace LaravelLang\Routes;
 
 use Closure;
+use Illuminate\Foundation\Application;
+use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Support\ServiceProvider as BaseServiceProvider;
 use LaravelLang\Routes\Facades\LocalizationRoute;
+use LaravelLang\Routes\Services\UrlGenerator;
 
 class ServiceProvider extends BaseServiceProvider
 {
     public function boot(): void
+    {
+        $this->registerGroup();
+        $this->urlGenerator();
+    }
+
+    protected function registerGroup(): void
     {
         Route::macro('localizedGroup', fn (Closure $callback) => LocalizationRoute::group($callback));
     }
+
+    protected function urlGenerator(): void
+    {
+        $this->app->singleton('url', function ($app) {
+            $routes = $app['router']->getRoutes();
+
+            $app->instance('routes', $routes);
+
+            return new UrlGenerator(
+                $routes,
+                $app->rebinding('request', $this->requestRebinder()),
+                $app['config']['app.asset_url']
+            );
+        });
+    }
+
+    protected function requestRebinder(): Closure
+    {
+        return fn (Application $app, Request $request) => $app['url']->setRequest($request);
+    }
 }

src/Services/UrlGenerator.php

@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LaravelLang\Routes\Services;
+
+use Illuminate\Routing\UrlGenerator as BaseGenerator;
+use Illuminate\Support\Str;
+use LaravelLang\Config\Facades\Config;
+
+use function app;
+use function array_merge;
+use function is_null;
+
+class UrlGenerator extends BaseGenerator
+{
+    public function route($name, $parameters = [], $absolute = true): string
+    {
+        if ($this->isLocalizedGroupRoute($name) && ! is_null($route = $this->routes->getByName($name))) {
+            return $this->toRoute($route, $this->resolveLocalizedParameters($parameters), $absolute);
+        }
+
+        return parent::route($name, $parameters, $absolute);
+    }
+
+    protected function isLocalizedGroupRoute(string $name): bool
+    {
+        return Str::startsWith($name, $this->localizedRoutePrefix());
+    }
+
+    protected function resolveLocalizedParameters(array $parameters): array
+    {
+        return array_merge([
+            $this->localizeRouteParameter() => app()->getLocale(),
+        ], $parameters);
+    }
+
+    protected function localizedRoutePrefix(): string
+    {
+        return Config::shared()->routes->namePrefix;
+    }
+
+    protected function localizeRouteParameter(): string
+    {
+        return Config::shared()->routes->names->parameter;
+    }
+}

tests/Unit/Services/UrlGeneratorTest.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+use LaravelLang\Config\Facades\Config;
+use Tests\Constants\LocaleValue;
+
+test('localized route generation', function () {
+    $name     = Config::shared()->routes->namePrefix;
+    $locale   = LocaleValue::LocaleMain;
+    $fallback = LocaleValue::LocaleAliasParent;
+
+    expect(route($name . 'via.group.facade', ['foo' => 'bar']))
+        ->toEndWith("localhost/$locale/group/facade/bar");
+
+    expect(route($name . 'via.group.macro', ['foo' => 'bar', 'locale' => $fallback]))
+        ->toEndWith("localhost/$fallback/group/macro/bar");
+});
+
+test('non-localized route generation', function () {
+    expect(route('via.group.facade', ['foo' => 'bar']))
+        ->toEndWith('localhost/group/facade/bar');
+
+    expect(route('via.group.macro', ['foo' => 'bar']))
+        ->toEndWith('localhost/group/macro/bar');
+});