public HttpResponseMessage UpdatePin(string cardNumber, string pin, NewPinMessage message)
        {
            Validate(cardNumber, pin);

            if (string.IsNullOrWhiteSpace(message.NewPin) || message.NewPin.Length != 4 || !Regex.IsMatch(message.NewPin, "[0-9]+"))
            {
                return(Request.CreateErrorResponse(HttpStatusCode.Forbidden, "Invalid new PIN code"));
            }

            try
            {
                _bankCardService.UpdatePin(cardNumber, message.NewPin);
                return(new HttpResponseMessage(HttpStatusCode.OK));
            }
            catch (Exception ex)
            {
                Log.Error("Unexpected error has occured while updating pin code. Bank card: " + cardNumber, ex);
                throw;
            }
        }