public void _8_BuyItemsGetItemFree_DifferentItem()
{
//Buy 5 item 1004 get 1004 free
var exp =
"PriceType=R;BuyItemCode=1004;BuyItemCount=5;GetItemCode=1001;GetItemCount=2";
var promo = new PromotionLineItem {
PromotionLineItemExpression = exp
};
var cartlineItems = new List <Cart>()
{
new Cart()
{
Product = CartContext.Products.Single(p => p.Code == "1004"), OriginalPrice = 25m, DiscountAmount = 0m, Quantity = 6, DiscountApplied = false, PriceType = "R"
},
new Cart()
{
Product = CartContext.Products.Single(p => p.Code == "1005"), OriginalPrice = 20m, DiscountAmount = 0m, Quantity = 2, DiscountApplied = false, PriceType = "R"
}
};
new CartProcessor().ApplyEach(promo, cartlineItems);
Assert.AreEqual(190m, cartlineItems.Sum(c => c.Sum));
Assert.AreEqual("1001", cartlineItems.Single(c => c.AddOnItem).Product.Code);
Assert.AreEqual(1, cartlineItems.Where(c => c.AddOnItem).ToList().Count);
Assert.AreEqual(2, cartlineItems.Single(c => c.AddOnItem).Quantity);
}
public void _4_AmountDiscount_Categories()
{
//1.5 dollar off Female-Casual-Collection
var exp =
"Category=1002;PriceType=R;AmountDiscount=1.5";
var promo = new PromotionLineItem {
PromotionLineItemExpression = exp
};
var cartlineItems = new List <Cart>()
{
new Cart()
{
Categories = new List <string>()
{
"1001"
}, OriginalPrice = 40m, DiscountAmount = 0m, Quantity = 1, DiscountApplied = false, PriceType = "R"
},
new Cart()
{
Categories = new List <string>()
{
"1002", "1003"
}, OriginalPrice = 20m, DiscountAmount = 0m, Quantity = 2, DiscountApplied = false, PriceType = "R"
}
};
new CartProcessor().ApplyEach(promo, cartlineItems);
Assert.AreEqual(77m, cartlineItems.Sum(c => c.Sum));
}
public void _3_PercentDiscount_Categories()
{
//15 percent off Female-Winter-Collection
var exp =
"Category=1001;PriceType=R;PercentDiscount=0.15";
var promoExp = PromotionLineItemExpression.Parse(exp);
var promo = new PromotionLineItem {
PromotionLineItemExpression = exp
};
var cartlineItems = new List <Cart>()
{
new Cart()
{
Categories = new List <string>()
{
"1001"
}, OriginalPrice = 40m, DiscountAmount = 0m, Quantity = 2, DiscountApplied = false, PriceType = "R"
},
new Cart()
{
Categories = new List <string>()
{
"1003", "1004"
}.ToList(), OriginalPrice = 20m, DiscountAmount = 0m, Quantity = 1, DiscountApplied = false, PriceType = "R"
}
};
new CartProcessor().ApplyEach(promo, cartlineItems);
Assert.AreEqual(88m, cartlineItems.Sum(c => c.Sum));
//Assert.AreEqual(CartContext.Products.Single(p => p.Code == "1001").Price,
// cartProcessor.Process(promotion.PromotionLineItems, cartLineItems).FirstOrDefault().DiscountedPrice);
}
public void _6_AmountDiscount_ItemCodes()
{
//5.25 off item item 1005
var exp =
"ItemCode=1005;PriceType=R;AmountDiscount=5.25";
var promo = new PromotionLineItem {
PromotionLineItemExpression = exp
};
var cartlineItems = new List <Cart>()
{
new Cart()
{
Product = CartContext.Products.Single(p => p.Code == "1004"), OriginalPrice = 25m, DiscountAmount = 0m, Quantity = 1, DiscountApplied = false, PriceType = "R"
},
new Cart()
{
Product = CartContext.Products.Single(p => p.Code == "1005"), OriginalPrice = 20m, DiscountAmount = 0m, Quantity = 2, DiscountApplied = false, PriceType = "R"
}
};
new CartProcessor().ApplyEach(promo, cartlineItems);
Assert.AreEqual(54.5m, cartlineItems.Sum(c => c.Sum));
}
public override IDiscountResult ApplyPromotion(IPromotionUsage promotionUsage, IRuleContext ruleContext, IDiscountContext discountContext, Func <IDiscountResult> resultFactory)
{
Data.EntityContextDataContext context = new Data.EntityContextDataContext();
IDiscountResult retVal = resultFactory();
Decimal totalDiscount = Decimal.Zero;
List <DiscountedItem> discountedItems = new List <DiscountedItem>();
Int32 quantity = 1;
Int32 contextQuantity = discountContext.DiscountableItems.Sum(s => s.Quantity);
Int32 shoppingCartRecordId = 0;
if (MatchQuantities && contextQuantity > 0)
{
quantity = discountContext.DiscountableItems.Sum(s => s.Quantity);
}
foreach (Int32 productId in GiftProductIds)
{
Data.ShoppingCart cart = null;
//Try to find an existing free gift in the promotionlineitem table for this promousage
PromotionLineItem giftItem = context.PromotionLineItems.FirstOrDefault(pli => pli.productId == productId && pli.isAGift && pli.PromotionUsageId == promotionUsage.Id);
//Try to grab the shopping cart item for the promolineitem
if (giftItem != null)
{
cart = context.ShoppingCarts.FirstOrDefault(sc => sc.ShoppingCartRecID == giftItem.shoppingCartRecordId);
}
//Add the free item to the shoppingcart if it doesn't already exist
if (cart == null)
{
int variantId = context.ProductVariants.FirstOrDefault(pv => pv.ProductID == productId && pv.IsDefault == 1).VariantID;
if (ruleContext.AddItemToCart != null)
{
shoppingCartRecordId = ruleContext.AddItemToCart(productId, variantId, quantity);
}
cart = context.ShoppingCarts.FirstOrDefault(sc => sc.ShoppingCartRecID == shoppingCartRecordId);
}
else
{
//Make sure our quantities match up.
cart.Quantity = quantity;
context.SubmitChanges();
}
if (cart != null)
{
DiscountedItem discountedItem = new DiscountedItem();
//We store the original price of the item in the promotionlineitem table, we want to use that original price if we already have a promo line item
discountedItem.CartPrice = giftItem == null ? (decimal)cart.ProductPrice : giftItem.cartPrice;
discountedItem.IsAGift = true;
discountedItem.ProductId = productId;
discountedItem.Quantity = cart.Quantity;
discountedItem.ShoppingCartRecordId = cart.ShoppingCartRecID;
discountedItem.Sku = cart.ProductSKU;
discountedItem.Subtotal = (decimal)cart.ProductPrice * cart.Quantity;
discountedItem.VariantId = cart.VariantID;
discountedItem.PromotionUsage = promotionUsage;
decimal discount = -(discountedItem.CartPrice) * (GiftDiscountPercentage * .01m);
//Make sure our price won't go negative
discount = Math.Abs(discount) > discountedItem.CartPrice ? -(discountedItem.CartPrice) : discount;
//The discount is already baked into the cart price we will record the discount in gift amount instead
discountedItem.DiscountAmount = 0.0M;
discountedItem.GiftAmount = discount * cart.Quantity;
totalDiscount += discountedItem.GiftAmount;
discountedItem.DiscountPercentage = GiftDiscountPercentage;
Data.ContextController.TrackLineItemDiscount(discountedItem);
discountedItems.Add(discountedItem);
cart.ProductPrice = discountedItem.CartPrice + discount;
cart.IsGift = true;
cart.CustomerEntersPrice = 1;
context.SubmitChanges();
}
}
retVal.DiscountedItems = discountedItems;
retVal.DiscountType = DiscountType.Fixed;
retVal.GiftProductTotal = totalDiscount;
retVal.SequenceType = (PromotionSequence)SequenceNumber;
return(retVal);
}
public void ApplyEach(PromotionLineItem promo, List <Cart> carts)
{
var tempLineItems = new List <Cart>();
foreach (var lineItem in carts)
{
var promoExp = PromotionLineItemExpression.Parse(promo.PromotionLineItemExpression);
lineItem.DiscountApplied = false;
if (promoExp.Category.Count > 0 && !lineItem.DiscountApplied &&
promoExp.PriceType.Contains(lineItem.PriceType))
{
var qualifiedCategories = promoExp.Category.Intersect(lineItem.Categories);
if (qualifiedCategories.Count() > 0)
{
lineItem.DiscountAmount = promoExp.AmountDiscount +
(lineItem.OriginalPrice * promoExp.PercentDiscount);
//lineItem.DiscountedPrice = lineItem.OriginalPrice - lineItem.DiscountAmount;
}
lineItem.DiscountApplied = true;
}
if (promoExp.ItemCode.Count > 0 && !lineItem.DiscountApplied &&
promoExp.PriceType.Contains(lineItem.PriceType))
{
var qualified = promoExp.ItemCode.Contains(lineItem.Product.Code);
if (qualified)
{
lineItem.DiscountAmount = promoExp.AmountDiscount +
(lineItem.OriginalPrice * promoExp.PercentDiscount);
//lineItem.DiscountedPrice = lineItem.OriginalPrice - lineItem.DiscountAmount;
}
lineItem.DiscountApplied = true;
}
if (promoExp.BuyItemCode.Count > 0 && !lineItem.DiscountApplied &&
promoExp.PriceType.Contains(lineItem.PriceType))
{
var qualified = promoExp.BuyItemCode.Contains(lineItem.Product.Code) && lineItem.Quantity >= promoExp.BuyItemCount;
if (qualified)
{
//how many free items ?
var freeItemCount = lineItem.Quantity / promoExp.BuyItemCount;
//slow !!!!!!!!!!!!!!!
using (var context = new ShoppingCartContext())
{
var product = context.Products.Single(p => p.Code == promoExp.GetItemCode.FirstOrDefault()); //only support single get product
for (int i = 0; i < freeItemCount; i++)
{
tempLineItems.Add(new Cart()
{
OriginalPrice = context.ProductOffers.ToList().Single(po => po.ProductId == product.Id && po.PriceTypeId == 1).Price,
DiscountAmount = context.ProductOffers.ToList().Single(po => po.ProductId == product.Id && po.PriceTypeId == 1).Price,
ShippingCost = lineItem.ShippingCost,
//DiscountedPrice = 0m,
DiscountApplied = true,
AddOnItem = true,
Quantity = promoExp.GetItemCount,
Code = Guid.NewGuid().ToString(),
Categories = lineItem.Categories,
DateCreated = lineItem.DateCreated,
PriceType = lineItem.PriceType,
Product = product
//ProductCode = product.Code
});
}
}
}
}
//if the cart line item applies for this promo
//if (promo.ProductOffers.Any(po => po.Code == lineItem.ProductOffer.Code) && lineItem.ProductOffer.Discountable && promo.Quantity >= lineItem.Quantity)
//{
// if (promo.FreeShipping)
// lineItem.ShippingCost = 0m;
// lineItem.DiscountAmount = (lineItem.OriginalPrice * (1 - promo.PercentDiscount)) - promo.AmountDiscount;
// lineItem.DiscountedPrice = lineItem.OriginalPrice - lineItem.DiscountAmount + lineItem.ShippingCost;
//}
}
carts.AddRange(tempLineItems);
//return ret;
}
