public function getOrder($id)
 {
     $order = Order::where('id', $id)->first();
     if ($order === null) {
         $array = array('success' => false, 'message' => 'Order does not exist');
         return json_encode($array);
     }
     $array = array('success' => true, 'order' => $order);
     return json_encode($array);
 }