protected override void ApplyEvent(object @event)
{
switch (@event)
{
case NewOrderStarted e:
Id = e.OrderId;
_date = e.Date;
_localId = e.LocalId;
break;
case OrderItemAdded e:
_items.Add(new OrderItem {
ItemName = e.ItemName,
PersonName = e.PersonName,
AddedAt = e.AddedAt
});
break;
case OrderResponsiblePersonSelected e:
_responsiblePerson = e.PersonName;
break;
case OrderResponsiblePersonRemoved e:
_responsiblePerson = null;
break;
case OrderItemRemoved e:
_items.Remove(FindItemByPerson(e.PersonName));
break;
}
}
public static OrderId From(string localId, OrderDate date)
{
if (string.IsNullOrWhiteSpace(localId))
{
throw new DomainException("Local id cannot be empty", ErrorCode.IdCannotBeEmpty);
}
return(new OrderId($"{localId}-{date.Value:yyyyMMdd}"));
}
public async Task <string> Handle(OrderItem cmd)
{
var orderId = OrderId.From(cmd.LocalId, OrderDate.Today(_timeProvider));
var order = await _repository.LoadById(orderId.Value)
?? new Order(orderId, cmd.LocalId, new OrderDate(_timeProvider.UtcNow.Date));
order.OrderNewItem(cmd.ItemName, cmd.PersonName, addedAt: _timeProvider.UtcNow);
await _repository.Save(order, cmd.CommandId);
return(orderId.Value);
}
public Order(OrderId orderId, string localId, OrderDate date)
{
Publish(new NewOrderStarted(orderId, localId, date));
}