/// <summary>
/// Executes the workflow to validate tender line.
/// </summary>
/// <param name="request">Instance of <see cref="ValidateTenderLineForAddRequest"/>.</param>
/// <returns>Instance of <see cref="NullResponse"/>.</returns>
protected override NullResponse Process(ValidateTenderLineForAddRequest request)
{
ThrowIf.Null(request, "request");
// Get the sales transaction
SalesTransaction salesTransaction =
CartWorkflowHelper.LoadSalesTransaction(this.Context, request.CartId);
if (salesTransaction == null)
{
throw new CartValidationException(DataValidationErrors.Microsoft_Dynamics_Commerce_Runtime_CartNotFound, request.CartId);
}
var validateRequest = new ValidateTenderLineForAddServiceRequest(salesTransaction, request.TenderLine);
this.Context.Execute <NullResponse>(validateRequest);
return(new NullResponse());
}
/// <summary>
/// Validates the tender line.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>An empty service response when validation succeeds.</returns>
/// <exception cref="DataValidationException">Validation failed.</exception>
private static NullResponse ValidateTenderLine(ValidateTenderLineForAddServiceRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
if (request.TenderType == null)
{
request.TenderType = GetTenderType(request.RequestContext, request.TenderLine.TenderTypeId);
// Update tender lines with amounts and exchange rates for channel and company currencies.
CalculateTenderLineCurrencyAmounts(request.TenderLine, request.RequestContext);
}
ValidateTenderLineLimits(request.RequestContext, request.Transaction, request.TenderLine, request.TenderType);
ValidateTransactionLimits(request.Transaction, request.TenderLine, request.TenderType);
return(new NullResponse());
}
/// <summary>
/// Authorizes the payment.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>A response containing the authorized tender line.</returns>
private static AuthorizePaymentServiceResponse AuthorizePayment(AuthorizePaymentServiceRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
TenderType tenderType = GetTenderType(request.RequestContext, request.TenderLine.TenderTypeId);
// Resolve payment service.
IRequestHandler paymentService = ResolvePaymentService(request.RequestContext, request.GetType(), request.TenderLine.TenderTypeId);
// Calculate amount to be authorized (some tender type like currency and credit memo do not have amount set on tender line).
CalculatePaymentAmountServiceRequest calculateAmountRequest = new CalculatePaymentAmountServiceRequest(request.TenderLine);
CalculatePaymentAmountServiceResponse calculateAmountResponse = request.RequestContext.Execute <CalculatePaymentAmountServiceResponse>(calculateAmountRequest, paymentService);
request.TenderLine = calculateAmountResponse.TenderLine;
if (!request.TenderLine.IsPreProcessed)
{
request.TenderLine.Amount = RoundAmountByTenderType(request.RequestContext, request.TenderLine.TenderTypeId, request.TenderLine.Amount, isChange: false);
}
// Update tender lines with amounts and exchange rates for channel and company currencies.
CalculateTenderLineCurrencyAmounts(request.TenderLine, request.RequestContext);
if (request.TenderLine.Amount == 0)
{
throw new DataValidationException(DataValidationErrors.Microsoft_Dynamics_Commerce_Runtime_InvalidAmount, "An amount of zero is not allowed on the tenderline.");
}
// Do amount validation.
if (!request.SkipLimitValidation)
{
var validateRequest = new ValidateTenderLineForAddServiceRequest(request.Transaction, request.TenderLine, tenderType);
request.RequestContext.Execute <NullResponse>(validateRequest);
}
// Check tender line status
AuthorizePaymentServiceResponse response;
if (request.TenderLine.Status == TenderLineStatus.PendingCommit ||
request.TenderLine.Status == TenderLineStatus.Committed ||
request.TenderLine.Status == TenderLineStatus.Voided)
{
// Return the tender line directly if already authorized
response = new AuthorizePaymentServiceResponse(request.TenderLine);
}
else
{
// Process authorization.
response = request.RequestContext.Execute <AuthorizePaymentServiceResponse>(request, paymentService);
}
// If we have cashback amount set on the tender line, we add it to the amount on the tender line after authorization
// and set the cashback amount on the tender line to 0. This is because we do not cashback field in the
// RetailTransactionPaymentTrans table. We are doing this at this point to mimic EPOS.
if (response.TenderLine.CashBackAmount != 0)
{
CalculateAmountsWithCashBack(response.TenderLine, request.RequestContext);
}
return(response);
}
