private void RemoveProductFromOrderLines(BasketItemRemoved evt)
{
var productId = evt.ProductId;
var quantity = evt.Quantity;
var orderLine = OrderLines.Single(ol => ol.ProductId == productId);
orderLine.Quantity = orderLine.Quantity - quantity;
if (orderLine.Quantity == 0)
{
OrderLines.Remove(orderLine);
}
}
public void When_RemoveItemBelowZero_ItemRemoved()
{
Given(InitialEvents.ToArray());
var command = new RemoveItemFromBasket(id, productId, 15);
command.Metadata.CausationId = command.Metadata.CommandId;
command.Metadata.CorrelationId = causationAndCorrelationId;
When(command);
var expectedEvent = new BasketItemRemoved(id, productId, 10);
expectedEvent.Metadata.CausationId = command.Metadata.CommandId;
expectedEvent.Metadata.CorrelationId = causationAndCorrelationId;
expectedEvent.Metadata.ProcessId = command.Metadata.ProcessId;
Then(expectedEvent);
}
private void Apply(BasketItemRemoved evt)
{
RemoveProductFromOrderLines(evt);
}
