public decimal GetTotalOrderValue(Order order)
{
PromotionChecker promotionChecker = new PromotionChecker();
IList <Promotion> promotions = ActivePromotions.GetActivePromotions(); //will get the list of Active promotions
List <decimal> promoprices = promotions
.Select(promo => promotionChecker.GetTotalPrice(order, promo))
.ToList();
decimal promoprice = promoprices.Sum();
return(promoprice);
}
