fix: finalize payments and clear cart after Paybox success

This captures the Paybox verification flow, duplicate-payment guard, and cart cleanup.

app/Http/Controllers/Shop/PayboxController.php

@@ -3,13 +3,19 @@
 namespace App\Http\Controllers\Shop;
 
 use App\Http\Controllers\Controller;
+use App\Repositories\Core\User\ShopCart;
+use App\Repositories\Shop\Paybox as PayboxGateway;
 use App\Repositories\Shop\Contents;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Log;
+
 
 class PayboxController extends Controller
 {
     public function accepted()
     {
+        ShopCart::clear();
+
         return view('paybox.paybox', ['content' => Contents::getPayboxConfirmedContent()]);
     }
 
@@ -30,8 +36,20 @@ class PayboxController extends Controller
 
     public function process(Request $request)
     {
-        $data = $request->all();
+        $invoiceId = $request->input('order_number');
 
-        return view('paybox.send', $data);
+        if (! $invoiceId) {
+            Log::warning('Paybox callback missing order_number', ['payload' => $request->all()]);
+
+            return response('Missing order_number', 400);
+        }
+
+        $success = PayboxGateway::verifyPayment($invoiceId);
+
+        if (! $success) {
+            return response('KO', 400);
+        }
+
+        return response('OK');
     }
 }