public void Add(Product product, int quantity = 1)
{
CartEntry cartEntry = Entries.Where(ce => ce.Reference == product.Reference).FirstOrDefault();
if (cartEntry == null)
{
Entries.Add(new CartEntry {
Product = product, Quantity = quantity, Reference = product.Reference
});
}
else
{
cartEntry.Quantity += quantity;
}
}
public void Remove(string reference, int quantity = 1)
{
CartEntry cartEntry = Entries.Where(ce => ce.Reference == reference).FirstOrDefault();
if (cartEntry != null)
{
if (quantity >= cartEntry.Quantity)
{
Entries.Remove(cartEntry);
}
else
{
cartEntry.Quantity -= quantity;
}
}
}