private static List <string> GetDestinationsFor(ValidateCreditCardCharge validateCreditCardCharge)
{
var destinations = new List <string> {
"ItOps.FreeCreditCardValidator.Endpoint"
};
if (validateCreditCardCharge.Amount > 500)
{
destinations.Add("ItOps.ExpensiveCreditCardValidator.Endpoint");
}
if (validateCreditCardCharge.Amount > 2000)
{
destinations.Add("ItOps.VeryExpensiveFraudDetection.Endpoint");
}
destinations.Add("Finance.Endpoint");
return(destinations);
}
public Task Handle(IOrderPlaced message, IMessageHandlerContext context)
{
Log.Info($"Order with Id {message.OrderId} placed. Validating...");
var order = new Order(message.OrderId, message.TotalValue);
order.Status = OrderStatus.Validating;
orders.Save(order);
var validateCreditCardCharge =
new ValidateCreditCardCharge {
Amount = message.TotalValue, CorrelationId = order.OrderId
};
List <string> destinations = GetDestinationsFor(validateCreditCardCharge);
context.Route(validateCreditCardCharge, order.OrderId, destinations.ToArray());
return(Task.CompletedTask);
}
