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Modules/Translation/Providers/TranslationServiceProvider.php

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+<?php
+
+namespace Modules\Translation\Providers;
+
+use Illuminate\Support\Carbon;
+use Astrotomic\Translatable\Locales;
+use Modules\Support\Traits\AddsAsset;
+use Illuminate\Translation\Translator;
+use Illuminate\Support\ServiceProvider;
+use Modules\Translation\TranslationLoader;
+
+class TranslationServiceProvider extends ServiceProvider
+{
+    use AddsAsset;
+
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        if (! config('app.installed')) {
+            return;
+        }
+
+        Carbon::setLocale(locale());
+
+        $this->setupTranslatable();
+
+        $this->addAdminAssets('admin.translations.index', ['admin.translation.css', 'admin.translation.js']);
+    }
+
+    private function setupTranslatable()
+    {
+        $this->app['config']->set('translatable.use_fallback', true);
+        $this->app['config']->set('translatable.fallback_locale', setting('default_locale'));
+        $this->app['config']->set('translatable.locales', supported_locale_keys());
+
+        // Re-register translatable locales helper after overriding config.
+        $this->app->singleton('translatable.locales', Locales::class);
+        $this->app->singleton(Locales::class);
+    }
+
+    /**
+     * Register the service provider.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        // The translation loader must be registered first.
+        $this->registerLoader();
+        $this->registerTranslator();
+    }
+
+    private function registerLoader()
+    {
+        $this->app->singleton('translation.loader', function ($app) {
+            return new TranslationLoader($app['files'], $app['path.lang']);
+        });
+    }
+
+    private function registerTranslator()
+    {
+        $this->app->singleton('translator', function ($app) {
+            $loader = $app['translation.loader'];
+            $locale = $app['config']['app.locale'];
+
+            $trans = new Translator($loader, $locale);
+
+            $trans->setFallback($app['config']['app.fallback_locale']);
+
+            return $trans;
+        });
+    }
+}