public async Task Consume(ConsumeContext <OrderRegistered> context)
{
var id = context.CorrelationId.GetValueOrDefault();
var address = context.Message.Address;
logger.LogInformation($"Received {nameof(OrderRegistered)} message with Id = '{id}' and Address = '{address}'.");
dbContext.Add(new Delivery {
Id = id, Address = address
});
await dbContext.SaveChangesAsync();
logger.LogInformation($"Delivery '{id}' created. Waiting for Payment, Stock and Billing services.");
await context.Publish <DeliveryPrepared>(new { context.CorrelationId });
}
public async Task Consume(ConsumeContext <PaymentRefused> context)
{
var id = context.CorrelationId.GetValueOrDefault();
var delivery = await dbContext.Deliveries.FindAsync(id);
if (delivery is null)
{
return;
}
logger.LogInformation($"'{id}' exists in this context. Deleting because of {nameof(PaymentRefused)} message.");
dbContext.Deliveries.Remove(delivery);
await dbContext.SaveChangesAsync();
await context.Publish <DeliveryCancelled>(new { context.CorrelationId });
}
public async Task Consume(ConsumeContext <BillingCompleted> context)
{
var id = context.CorrelationId.GetValueOrDefault();
logger.LogInformation($"Received {nameof(BillingCompleted)} message with Id = '{id}'");
var delivery = await dbContext.Deliveries.FindAsync(id);
if (delivery is null)
{
logger.LogInformation($"'{id}' does not exists in this context. Rejecting, will retry in a few.");
throw new DeliveryNotFoundException();
}
logger.LogInformation($"'{id}' exists in this context.");
delivery.IsBillingCompleted = true;
var shouldSendIsShippedMessage = false;
if (delivery.IsBillingCompleted &&
delivery.IsPaymentAccepted &&
delivery.IsStockBooked)
{
logger.LogInformation($"'{id}' can be shipped !");
delivery.IsShipped = true;
shouldSendIsShippedMessage = true;
}
await dbContext.SaveChangesAsync();
logger.LogInformation($"'{id}' updated.");
if (shouldSendIsShippedMessage)
{
await context.Publish <DeliveryStarted>(new { context.CorrelationId });
}
}