public bool RemoveFromCart(Product product, int qty)
{
MyProduct Item = items.FirstOrDefault(x => x.product.Id == product.Id);
if (Item != null)
{
if (Item.quantity == qty)
{
float dprice = (Item.product.Price * qty);
totalPrice -= dprice;
totalQty -= qty;
items.Remove(Item);
return(true);
}
else if (Item.quantity > 1)
{
Item.quantity -= qty;
float dprice = (Item.product.Price * qty);
Item.subTotal -= dprice;
totalPrice -= dprice;
totalQty -= qty;
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
public bool AddToCart(Product product, int qty)
{
if (items == null)
{
MyProduct myProduct = new MyProduct();
myProduct.product = product;
myProduct.quantity = qty;
myProduct.subTotal = product.Price * qty;
items = new List <MyProduct>();
items.Add(myProduct);
totalQty++;
totalPrice = myProduct.subTotal;
return(true);
}
else
{
MyProduct previousItem = items.FirstOrDefault(x => x.product.Id == product.Id);
if (previousItem != null)
{
totalPrice = qty * previousItem.product.Price + totalPrice;
totalQty++;
previousItem.quantity = previousItem.quantity + qty;
previousItem.subTotal += qty * previousItem.product.Price;
return(true);
}
else
{
MyProduct myProduct = new MyProduct();
myProduct.product = product;
myProduct.quantity = qty;
myProduct.subTotal = product.Price * qty;
items.Add(myProduct);
totalQty++;
totalPrice = myProduct.subTotal + totalPrice;
return(true);
}
}
return(false);
}