private ShoppingCart Apply(ItemAddedToShoppingCart @event)
{
var newItems = new List <string>(Items)
{
@event.Item
};
return(new ShoppingCart {
Id = Id, Items = newItems
});
}
private ShoppingCart Apply(ItemAddedToShoppingCart @event)
{
if (Id != @event.Id)
{
throw new InvalidOperationException("Attempted to add an item for a shopping cart with a different ID");
}
var newItems = new List <string>(Items)
{
@event.Item
};
return(new ShoppingCart {
Id = Id, Items = newItems
});
}
public ICommandResult <ShoppingCart, IDomainEvent> Execute(AddItemToShoppingCart command)
{
var context = CommandExecutionContext.Create(this, ApplyEventRouter);
var isNew = Id == null;
if (isNew)
{
var shoppingCartCreated = new ShoppingCartCreated(command.Id);
context = context.ApplyEvent(shoppingCartCreated);
}
var itemAddedToShoppingCart = new ItemAddedToShoppingCart(command.Id, command.Item);
context = context.ApplyEvent(itemAddedToShoppingCart);
return(context.Result);
}
public ShoppingCartCommandResult Handle(AddItemToShoppingCart command)
{
var result = new ShoppingCartCommandResult(this).WithEventRouter(EventRouter);
var isNew = Id == null;
if (isNew)
{
var shoppingCartCreated = new ShoppingCartCreated(command.Id);
result = result.ApplyEvent(shoppingCartCreated);
}
var itemAddedToShoppingCart = new ItemAddedToShoppingCart(command.Id, command.Item);
result = result.ApplyEvent(itemAddedToShoppingCart);
return(result);
}
public Task Handle(ItemAddedToShoppingCart e, EventEnvelope envelope)
{
Debug.WriteLine("Projected " + e.GetType().Name);
return(Task.FromResult(0));
}
private void Apply(ItemAddedToShoppingCart @event)
{
_count++;
}
public void Handle(ItemAddedToShoppingCart message)
{
InMemoryDatabase.ShoppingCart[message.Id].Items++;
}
