public void Discard(DiscardReason discardReason)
{
if (Status != PaymentStatus.Pending)
{
throw new InvalidOperationException($"Discarding payment in '{Status}' status is not allowed.");
}
var @event = PaymentDiscarded.Create(Id, discardReason, DateTime.UtcNow);
Enqueue(@event);
Apply(@event);
}
public async Task Handle(PaymentDiscarded @event, CancellationToken cancellationToken)
{
var payment = await querySession.LoadAsync<Payment>(@event.PaymentId);
var externalEvent = PaymentFailed.Create(
@event.PaymentId,
payment!.OrderId,
payment.Amount,
@event.DiscardedAt,
PaymentFailReason.Discarded
);
await eventBus.Publish(externalEvent);
}
private void Apply(PaymentDiscarded @event)
{
Version++;
Status = PaymentStatus.Failed;
}
