public static Result <Order> Create(SaleMethod saleMethod, Customer customer, Address address)
{
if (saleMethod == null)
{
throw new ArgumentNullException(nameof(saleMethod));
}
if (customer == null)
{
throw new ArgumentNullException(nameof(customer));
}
if (address == null)
{
throw new ArgumentNullException(nameof(address));
}
var order = new Order
{
Status = OrderStatus.Pending,
DateTime = SystemTime.Now(),
Customer = customer,
ShippingAddress = address,
SaleMethod = saleMethod
};
return(Result.Ok(order));
}
public override async Task <Result> Handle(NewSaleMethod command, CancellationToken cancellationToken)
{
var title = Title.New(command.Title);
if (title.Failed)
{
return(Fail(title.Message, title.Failures));
}
var saleMethod = SaleMethod.Create(title.Value, SaleNature.FastFood);
if (saleMethod.Failed)
{
return(Fail(saleMethod.Message, saleMethod.Failures));
}
await _repository.InsertAsync(saleMethod.Value);
return(Ok());
}