complete sotry 3.6 with qa tests

routes/web.php

@@ -1,5 +1,8 @@
 <?php
 
+use App\Enums\ConsultationStatus;
+use App\Models\Consultation;
+use App\Services\CalendarService;
 use Illuminate\Support\Facades\Route;
 use Laravel\Fortify\Features;
 use Livewire\Volt\Volt;
@@ -82,6 +85,12 @@ Route::middleware(['auth', 'active'])->group(function () {
         Route::prefix('consultations')->name('client.consultations.')->group(function () {
             Volt::route('/', 'client.consultations.index')->name('index');
             Volt::route('/book', 'client.consultations.book')->name('book');
+            Route::get('/{consultation}/calendar', function (Consultation $consultation) {
+                abort_unless($consultation->user_id === auth()->id(), 403);
+                abort_unless($consultation->status === ConsultationStatus::Approved, 404);
+
+                return app(CalendarService::class)->generateDownloadResponse($consultation);
+            })->name('calendar');
         });
     });