/// <summary>
/// Checks to see if the basketItem is already in the basket. If it is it will update
/// the existing item, otherwise it will create a new item in the basket. Either way
/// it will update the basket total.
/// </summary>
/// <param name="basketItem"></param>
public void AddOrUpdateBasket(BasketItemModel basketItem)
{
BasketItemModel existingBasketItem;
if (ItemAlreadyInBasket(basketItem, out existingBasketItem))
{
existingBasketItem.ItemQuantity++;
Total += existingBasketItem.ItemPrice;
}
else
{
Basket.Add(basketItem);
Total += basketItem.ItemPrice;
}
}
private bool ItemAlreadyInBasket(BasketItemModel basketItem, out BasketItemModel existingBasketItem)
{
existingBasketItem = Basket.FirstOrDefault(b => string.Equals(b.ItemName, basketItem.ItemName, StringComparison.CurrentCultureIgnoreCase));
return(existingBasketItem != null);
}
