private void ExecuteDecrementQuantity(ProductQuantityViewModel pq)
{
if (pq.Quantity == 1U)
{
ProductQuantities.Remove(pq);
}
else
{
--pq.Quantity;
}
}
public bool RemoveItem(Product product, int amount)
{
Product removeProduct = ProductQuantities.Keys.FirstOrDefault(p => p.Title == product.Title);
if (removeProduct != null)
{
int addedAmount = ProductQuantities[removeProduct];
if (amount >= addedAmount)
{
return(ProductQuantities.Remove(removeProduct));
}
ProductQuantities[removeProduct] = addedAmount - amount;
return(true);
}
return(false);
}
