public bool setProductAmount(Product product, int amount)
{
ProductAmount wannaBeCart;
if (amount == 0 && containProduct(product))
{
wannaBeCart = getCartValue(product.id);
products.Remove(wannaBeCart);
return(true);
}
else if (amount > 0)
{
if (containProduct(product))
{
ProductAmount p = getCartValue(product.id);
p.amount = amount;
}
else
{
wannaBeCart = new ProductAmount(product, amount);
products.Add(wannaBeCart);
}
return(true);
}
return(false);
}
public override void Copy(IEntity other)
{
base.Copy(other);
if (other is ProductAmount)
{
ProductAmount _other = ((ProductAmount)other);
product = _other.product;
}
}
public int getProductAmount(Product product)
{
Predicate <ProductAmount> productPredicat = s => ((ProductAmount)s).product.Equals(product);
ProductAmount cartValue = products.Find(productPredicat);
if (cartValue == null)
{
return(0);
}
return(cartValue.amount);
}
