public void ShoppingCart_CreateCartWillDispatchCartCreated()
{
var cart = new Data.ShoppingCart(Guid.NewGuid());
Assert.Single(cart.GetEvents());
Assert.IsType <CartCreated>(cart.GetEvents().First());
}
public void ShoppingCart_RemoveItemThrowsExceptions()
{
var cart = new Data.ShoppingCart(Guid.NewGuid());
cart.ClearEvents();
Assert.Throws <ItemNotFoundException>(() => cart.RemoveItem(Guid.NewGuid()));
}
public void ShoppingCart_AddItemWillDispatchItemAdded()
{
var cart = new Data.ShoppingCart(Guid.NewGuid());
cart.ClearEvents();
cart.AddItem(Guid.NewGuid(), "My cart item");
Assert.Single(cart.GetEvents());
Assert.IsType <ItemAddedToCart>(cart.GetEvents().First());
}
public void ShoppingCart_RemoveItemDispatchItemRemoved()
{
var cart = new Data.ShoppingCart(Guid.NewGuid());
var itemId = Guid.NewGuid();
cart.AddItem(itemId, "foo");
cart.ClearEvents();
cart.RemoveItem(itemId);
Assert.Single(cart.GetEvents());
Assert.IsType <ItemRemovedFromCart>(cart.GetEvents().First());
}
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 Handle(CreateCart command)
{
var cart = new Data.ShoppingCart(command.CartId);
_repository.Save(cart);
}
