private decimal CalculateDiscount(IReadOnlyCollection <BasketItem> basketItems, Product offerProduct1, Product offerProduct2)
{
var totalProduct1 = TotalProducts(basketItems, offerProduct1);
var product1Pairs = totalProduct1 / 2;
var product2Price = _productPriceProvider.GetPrice(offerProduct2.ProductName);
var product2Discount = product2Price / 100 * _discountPercentage;
var totalProduct2 = TotalProducts(basketItems, offerProduct2);
if (product1Pairs >= totalProduct2)
{
return(totalProduct2 * product2Discount);
}
return(product1Pairs * product2Discount);
}
private decimal GetRunningTotal()
{
return(BasketItems.Sum(item => _productPriceProvider.GetPrice(item.Product.ProductName) * item.Quantity));
}
private decimal CalculateDiscount(IEnumerable <BasketItem> basketItems)
{
var discountSeed = TotalProducts(basketItems) / (_minimumEligibleProducts + 1);
return(_productPriceProvider.GetPrice(_offerProduct.ProductName) * discountSeed);
}
