internal IPromotion GetManager(string sku)
{
IPromotion promotion = null;
switch (sku.ToUpper())
{
case "A":
promotion = new PromotionA(new A());
break;
case "B":
promotion = new PromotionB(new B());
break;
case "C":
promotion = new PromotionC(new C());
break;
case "D":
promotion = new PromotionD(new D());
break;
default:
break;
}
return(promotion);
}
public override int ApplyPromotionAndCalculateTotal(List <Order> skuOrders)
{
int finalPrice = 0;
bool ispromotionCDApplied = false;
foreach (var item in skuOrders)
{
if (item.skuItem == SKUItems.A)
{
var promotionA = new PromotionAorB();
finalPrice += promotionA.applyPromotionAorB(item.quantity, (int)PromotionQuantity.A, (int)PromotionValue.A,
(int)SKUItems.A);
}
else if (item.skuItem == SKUItems.B)
{
var promotionB = new PromotionAorB();
finalPrice += promotionB.applyPromotionAorB(item.quantity, (int)PromotionQuantity.B, (int)PromotionValue.B,
(int)SKUItems.B);
}
else if (item.skuItem == SKUItems.C)
{
if (!ispromotionCDApplied)
{
var promotionC = new PromotionC();
finalPrice += promotionC.applyPromotionC(skuOrders, item.quantity);
ispromotionCDApplied = true;
}
}
else if (item.skuItem == SKUItems.D)
{
if (!ispromotionCDApplied)
{
var promotionD = new PromotionD();
finalPrice += promotionD.applyPromotionD(skuOrders, item.quantity);
ispromotionCDApplied = true;
}
}
}
return(finalPrice);
}
