public void AddToCart(Product product, Store store, int quantity)
{
ProductStock productStock = CustomerPurchaseItems.FirstOrDefault(x => x.ProductID == product.ProductID &&
x.StoreID == store.StoreID);
if (productStock == null)
{
CustomerPurchaseItems.Add(new ProductStock
{
ProductID = product.ProductID,
Product = product,
StoreID = store.StoreID,
Store = store,
Quantity = quantity,
});
}
else
{
productStock.Quantity = quantity;
}
}
public void RemoveFromCart(Product product, int index)
{
var item = CustomerPurchaseItems.First(x => x.ProductID == index);
CustomerPurchaseItems.Remove(item);
}
public void ChangeQuantity(Product product, int index, int quantity)
{
var item = CustomerPurchaseItems.First(x => x.ProductID == index);
item.Quantity = quantity;
}