public async Task Consume(ConsumeContext <StartDelivery> context)
{
var id = context.CorrelationId.GetValueOrDefault();
logger.LogInformation($"Received {nameof(StartDelivery)} message with Id = '{id}'");
var delivery = await dbContext.Deliveries.FindAsync(id);
if (delivery is null)
{
logger.LogInformation($"'{id}' does not exists in this context. Rejecting, will retry in a few.");
throw new DeliveryNotFoundException();
}
logger.LogInformation($"'{id}' exists in this context.");
delivery.IsShipped = true;
await dbContext.SaveChangesAsync();
logger.LogInformation($"'{id}' updated.");
await context.Publish <DeliveryStarted>(new { context.CorrelationId });
}
public async Task Consume(ConsumeContext <CancelDelivery> context)
{
var id = context.CorrelationId.GetValueOrDefault();
var delivery = await dbContext.Deliveries.FindAsync(id);
if (delivery is null)
{
return;
}
logger.LogInformation($"'{id}' exists in this context. Deleting because of {nameof(CancelDelivery)} message.");
dbContext.Deliveries.Remove(delivery);
await dbContext.SaveChangesAsync();
}
public async Task Consume(ConsumeContext <PrepareDelivery> context)
{
var id = context.CorrelationId.GetValueOrDefault();
var address = context.Message.Address;
logger.LogInformation($"Received {nameof(PrepareDelivery)} 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 });
}
