public Result RemovePrice(ProductPrice price)
{
if (!_prices.Contains(price))
{
return(Fail($"Price With PriceType: {price.PriceType.Title} Not Found"));
}
if (price == Price)
{
return(Fail("Can Not Remove Default Price"));
}
_prices.Remove(price);
return(Ok());
}
public Result ChangeDefaultPrice(ProductPrice price)
{
if (price == Price)
{
return(Ok());
}
if (!_prices.Contains(price))
{
return(Fail("Price Not Found"));
}
Price.UnmarkIsDefault();
price.MarkIsDefault();
return(Ok());
}
public Result <ProductPrice> AddPrice(PriceType priceType, Price price)
{
if (priceType == null)
{
throw new ArgumentNullException(nameof(priceType));
}
if (price == null)
{
throw new ArgumentNullException(nameof(price));
}
if (_prices.Exists(p => p.PriceType == priceType))
{
return(Fail <ProductPrice>($"A Price With PriceType:{priceType.Title} Already Exists"));
}
var productPrice = new ProductPrice(this, priceType, price);
_prices.Add(productPrice);
return(Ok(productPrice));
}
