/// <summary>
/// Gets the change.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>
/// A response containing the change tender line.
/// </returns>
private static GetChangePaymentServiceResponse GetChange(GetChangePaymentServiceRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
if (string.IsNullOrWhiteSpace(request.PaymentTenderTypeId))
{
throw new PaymentException(PaymentErrors.Microsoft_Dynamics_Commerce_Runtime_InvalidPaymentRequest, "request.TenderTypeId is null or empty.");
}
TenderType overtenderTenderType = GetTenderType(request.RequestContext, request.PaymentTenderTypeId);
if (overtenderTenderType == null)
{
throw new DataValidationException(
DataValidationErrors.Microsoft_Dynamics_Commerce_Runtime_ObjectNotFound,
string.Format("Tender type with id '{0}' not found", request.PaymentTenderTypeId));
}
string changeTenderTypeId;
if (overtenderTenderType.AboveMinimumChangeAmount != decimal.Zero &&
Math.Abs(request.ChangeAmount) > Math.Abs(overtenderTenderType.AboveMinimumChangeAmount) &&
!string.IsNullOrWhiteSpace(overtenderTenderType.AboveMinimumChangeTenderTypeId))
{
// Use "above minimum change tender type" if amount exceeds configured value.
changeTenderTypeId = overtenderTenderType.AboveMinimumChangeTenderTypeId;
}
else
{
changeTenderTypeId = overtenderTenderType.ChangeTenderTypeId;
}
if (string.IsNullOrWhiteSpace(changeTenderTypeId))
{
// If change tender type is not configured using tender type of last payment (ePOS behavior)
changeTenderTypeId = overtenderTenderType.TenderTypeId;
}
TenderType changeTenderType = GetTenderType(request.RequestContext, changeTenderTypeId);
if (changeTenderType == null)
{
// If change tender type is not configured using tender type of last payment (ePOS behavior)
changeTenderType = overtenderTenderType;
}
request.ChangeTenderTypeId = changeTenderType.TenderTypeId;
// Round change amount.
request.ChangeAmount = RoundAmountByTenderType(request.RequestContext, request.ChangeTenderTypeId, request.ChangeAmount, isChange: true);
IRequestHandler paymentService = ResolvePaymentService(request.RequestContext, request.GetType(), request.ChangeTenderTypeId);
GetChangePaymentServiceResponse response = request.RequestContext.Runtime.Execute <GetChangePaymentServiceResponse>(request, request.RequestContext, paymentService);
// Update tender lines with amounts and exchange rates for channel and company currencies.
CalculateTenderLineCurrencyAmounts(response.TenderLine, request.RequestContext);
return(response);
}
/// <summary>
/// Gets the change.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>
/// A response containing the change tender line.
/// </returns>
private static GetChangePaymentServiceResponse GetChange(GetChangePaymentServiceRequest request)
{
// Change cannot be given in loyalty cards because loyalty card balance is meansured using loyalty points.
throw new FeatureNotSupportedException(FeatureNotSupportedErrors.Microsoft_Dynamics_Commerce_Runtime_ChangeTenderTypeNotSupported, string.Format(CultureInfo.InvariantCulture, "Request '{0}' is not supported.", request.GetType()));
}
/// <summary>
/// Gets the change.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>
/// A response containing the change tender line.
/// </returns>
private static GetChangePaymentServiceResponse GetChange(GetChangePaymentServiceRequest request)
{
// Change cannot be given to customer account.
throw new FeatureNotSupportedException(FeatureNotSupportedErrors.Microsoft_Dynamics_Commerce_Runtime_ChangeTenderTypeNotSupported, string.Format(CultureInfo.InvariantCulture, "Request '{0}' is not supported. Verify change tender type settings.", request.GetType()));
}
/// <summary>
/// Gets the change.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>
/// A response containing the change tender line.
/// </returns>
private static GetChangePaymentServiceResponse GetChange(GetChangePaymentServiceRequest request)
{
// Change cannot be given in gift cards because it requires manual card number input.
throw new FeatureNotSupportedException(FeatureNotSupportedErrors.Microsoft_Dynamics_Commerce_Runtime_ChangeTenderTypeNotSupported, string.Format("Request '{0}' is not supported. Verify change tender type settings.", request.GetType()));
}