public void Handle(ProductDescriptionChangedEvent @event)
{
try
{
EventStore.Save(@event);
}
catch
{
throw;
}
}
public void UndoEvent()
{
Console.WriteLine("Undoing event: ");
ProductDescriptionChangedEvent lastEvent = Events.LastOrDefault() as ProductDescriptionChangedEvent;
if (lastEvent != null)
{
Command(new ChangeProductDescriptionCommand(lastEvent.Target, lastEvent.OldDescription, false));
Events.Remove(lastEvent);
}
}
public async Task ChangeProductDescription(Guid productId, string description)
{
try
{
var product = await Repository.GetByKeyAsync <Product>(productId);
product.ChangeDescription(description);
await Repository.SaveChangesAsync();
var @event = new ProductDescriptionChangedEvent(productId, description);
EventBus.RaiseEvent(@event);
}
catch
{
throw;
}
}
