public async Task <OrderPlaced> Handle(PlaceOrderCommand command)
{
var orderId = CreateDomainModelFrom(command);
var order = await _orders.GetBy(orderId);
order.Place(_clock.Now);
await _orders.Save(order);
return(CreateEventFrom(order));
}
private static OrderId CreateDomainModelFrom(PlaceOrderCommand command) => OrderId.From(command.OrderId);