Inheritance: extends Illuminate\Foundation\Http\FormRequest
 public function updateStatus($id, UpdateOrderStatusRequest $request)
 {
     $order = Order::findorfail($id);
     $order->update($request->all());
     $userEmail = $order->user->email;
     $orderStatusTitle = $order->order_status_title;
     Mail::to($userEmail)->send(new UpdateOrderStatusMail($orderStatusTitle));
     return redirect()->route('admin.order.index');
 }