public int CalculateAmount(Product productC, Product productD)
{
if (productC == null && productD == null)
{
return(0);
}
int finalAmt = 0;
if (productC != null && productD == null)
{
return(productC.Quantity * ProductPriceConstant.ProductPrice[SkuIdConstants.CId]);
}
else if (productD != null && productC == null)
{
return(productD.Quantity * ProductPriceConstant.ProductPrice[SkuIdConstants.DId]);
}
else
{
int diff = productC.Quantity - productD.Quantity;
if (diff > 0)
{
finalAmt = diff * ProductPriceConstant.ProductPrice[SkuIdConstants.CId] +
(productD.Quantity * discountService.BuyTogetherItemsDiscount(productC.Id).FixedRate);
}
else if (diff < 0)
{
finalAmt = Math.Abs(diff) * ProductPriceConstant.ProductPrice[SkuIdConstants.DId] +
(productC.Quantity * discountService.BuyTogetherItemsDiscount(productC.Id).FixedRate);
}
else
{
finalAmt = productD.Quantity * discountService.BuyTogetherItemsDiscount(productC.Id).FixedRate;
}
}
return(finalAmt);
}