public IActionResult Get(int orderId)
 {
     try
     {
         var order = _repository.GetOrderById(orderId);
         if (order != null)
         {
             return(Ok(_mapper.Map <IEnumerable <OrderItem>, IEnumerable <OrderItemViewModel> >(order.Items)));
         }
         else
         {
             return(NotFound());
         }
     }
     catch (Exception ex)
     {
         return(BadRequest("Sana Error: " + ex.Message));
     }
 }
 [HttpGet("{id:int}")]//Expecting integers only
 public IActionResult Get(int id)
 {
     try
     {
         var order = _repository.GetOrderById(id);
         if (order != null)
         {
             return(Ok(_mapper.Map <Order, OrderViewModel>(order)));
         }
         else
         {
             return(NotFound());
         }
     }
     catch (Exception ex)
     {
         return(BadRequest("Error getting Order: " + ex.Message));
     }
 }