public decimal Apply(KeyValuePair <int, int> cartItem, decimal originalPrice)
{
log.Info("Checking Promotion");
decimal price = cartItem.Value * originalPrice;
if (null != _promotions && _promotions.ContainsKey(cartItem.Key))
{
IPromotion promotion = _promotions[cartItem.Key];
switch (promotion.PromotionCode)
{
case var pcode when string.Equals(pcode, OfferedPromotions.AdditionalProductDiscount, System.StringComparison.OrdinalIgnoreCase):
_currentPromotion = new PromotionA(promotion);
break;
case var pcode when string.Equals(pcode, OfferedPromotions.GroupPromotionalPrice, System.StringComparison.OrdinalIgnoreCase):
_currentPromotion = new PromotionB(promotion);
break;
default:
break;
}
if (null != _currentPromotion)
{
price = _currentPromotion.Calculate(cartItem.Value, originalPrice);
}
}
return(price);
}
public ShoppingCart(IPromotionCalculator promotionCalculator)
{
this.promotionCalculator = promotionCalculator ?? throw new ArgumentNullException(nameof(promotionCalculator));
ShoppingCartId = GetCartId();
}
public PromotionalPrice(IStoreRepository storeRepository)
{
_promotions = storeRepository.GetPromotions();
_currentPromotion = null;
}
