public void When_constructed()
{
var sut = new PromotionalDiscount(5m, "discount note");
Assert.That(sut.DiscountedSubTotal, Is.EqualTo(5m));
Assert.That(sut.DiscountNote, Is.EqualTo("discount note"));
}
public void When_promotion_applies()
{
var rule = new Mock<IPromotionalDiscountRule>();
rule.Setup(p => p.PromotionApplies(It.IsAny<LineItem>())).Returns(true);
var promotionalDiscount = new PromotionalDiscount(7m, "discount note");
rule.Setup(p => p.Calculate(It.IsAny<LineItem>())).Returns(promotionalDiscount);
var sut = new Promotions(new List<IPromotionalDiscountRule>() { rule.Object });
var productCatalog = new ProductCatalog();
productCatalog.AddProduct("apple", 0.75m);
var lineItem = new LineItem("apple", 7, productCatalog, sut);
var actual = sut.CalculatePromotionalCost(lineItem);
Assert.That(actual.DiscountedSubTotal, Is.EqualTo(7m));
Assert.That(actual.DiscountNote, Is.EqualTo("discount note"));
}
public PromotionalDiscount Calculate(LineItem lineItem)
{
var discount = GetCurrentDiscount(lineItem);
var hasDiscount = PromotionApplies(lineItem);
var discountedSubTotal = lineItem.SubTotal;
var discountNote = "";
if (hasDiscount)
{
var applicableQuantity = lineItem.Quantity / discount.DiscountQuantity;
discountedSubTotal = applicableQuantity * discount.DiscountPrice + (lineItem.Quantity - applicableQuantity * discount.DiscountQuantity) * lineItem.PricePerUnit;
discountNote = $"***Discount on {lineItem.Barcode}: Buy {discount.DiscountQuantity} {lineItem.Barcode} for {discount.DiscountPrice:C2}, New Price {discountedSubTotal:C2}, Savings {(lineItem.SubTotal - discountedSubTotal):C2}";
}
var promotionalDiscount = new PromotionalDiscount(discountedSubTotal, discountNote);
return promotionalDiscount;
}
public PromotionalDiscount Calculate(LineItem lineItem)
{
var discount = GetCurrentDiscount(lineItem);
var hasDiscount = discount != null;
var discountedSubTotal = lineItem.DiscountedSubTotal;
var note = "";
if (hasDiscount)
{
var discountPriceCount = lineItem.Quantity / (discount.QuantityFullPrice + discount.QuantityDiscounted) * discount.QuantityDiscounted;
discountedSubTotal = lineItem.Quantity * lineItem.PricePerUnit - discountPriceCount * (decimal)discount.DiscountPercentage / 100m * lineItem.PricePerUnit;
note = $"***Discount on apple: Buy {discount.QuantityFullPrice} {lineItem.Barcode} get {discount.QuantityDiscounted} at {(lineItem.PricePerUnit * (100m - (decimal)discount.DiscountPercentage) / 100m):C2}, New Price {discountedSubTotal:C2}, Savings {(lineItem.SubTotal - discountedSubTotal):C2}";
}
var promotionalDiscount = new PromotionalDiscount(discountedSubTotal, note);
return promotionalDiscount;
}
public IHttpActionResult CreateList(List <PromotionalDiscountModel> list)
{
foreach (var item in list)
{
PromotionalDiscount model = new PromotionalDiscount();
model.DiscountBranches = item.BranchList.Select(x => new DiscountBranch
{
BranchID = Convert.ToInt16(x),
IsActive = true
}).ToList();
db.PromotionalDiscounts.Add(model);
db.SaveChanges();
}
return(Ok(true));
}
public PromotionalDiscount Calculate(LineItem lineItem)
{
var discount = GetCurrentDiscount(lineItem);
var hasDiscount = discount != null;
var discountedSubTotal = lineItem.DiscountedSubTotal;
var note = "";
if (hasDiscount)
{
var discountPriceCount = lineItem.Quantity / (discount.QuantityFullPrice + discount.QuantityDiscounted) * discount.QuantityDiscounted;
discountedSubTotal = lineItem.Quantity * lineItem.PricePerUnit - discountPriceCount * (decimal)discount.DiscountPercentage / 100m * lineItem.PricePerUnit;
note = $"***Discount on apple: Buy {discount.QuantityFullPrice} {lineItem.Barcode} get {discount.QuantityDiscounted} at {(lineItem.PricePerUnit * (100m - (decimal)discount.DiscountPercentage) / 100m):C2}, New Price {discountedSubTotal:C2}, Savings {(lineItem.SubTotal - discountedSubTotal):C2}";
}
var promotionalDiscount = new PromotionalDiscount(discountedSubTotal, note);
return(promotionalDiscount);
}
public PromotionalDiscount Calculate(LineItem lineItem)
{
var discount = GetCurrentDiscount(lineItem);
var hasDiscount = PromotionApplies(lineItem);
var discountedSubTotal = lineItem.SubTotal;
var discountNote = "";
if (hasDiscount)
{
var applicableQuantity = lineItem.Quantity / discount.DiscountQuantity;
discountedSubTotal = applicableQuantity * discount.DiscountPrice + (lineItem.Quantity - applicableQuantity * discount.DiscountQuantity) * lineItem.PricePerUnit;
discountNote = $"***Discount on {lineItem.Barcode}: Buy {discount.DiscountQuantity} {lineItem.Barcode} for {discount.DiscountPrice:C2}, New Price {discountedSubTotal:C2}, Savings {(lineItem.SubTotal - discountedSubTotal):C2}";
}
var promotionalDiscount = new PromotionalDiscount(discountedSubTotal, discountNote);
return(promotionalDiscount);
}
public void When_promotion_applies()
{
var rule = new Mock <IPromotionalDiscountRule>();
rule.Setup(p => p.PromotionApplies(It.IsAny <LineItem>())).Returns(true);
var promotionalDiscount = new PromotionalDiscount(7m, "discount note");
rule.Setup(p => p.Calculate(It.IsAny <LineItem>())).Returns(promotionalDiscount);
var sut = new Promotions(new List <IPromotionalDiscountRule>()
{
rule.Object
});
var productCatalog = new ProductCatalog();
productCatalog.AddProduct("apple", 0.75m);
var lineItem = new LineItem("apple", 7, productCatalog, sut);
var actual = sut.CalculatePromotionalCost(lineItem);
Assert.That(actual.DiscountedSubTotal, Is.EqualTo(7m));
Assert.That(actual.DiscountNote, Is.EqualTo("discount note"));
}
public void When_constructed()
{
var sut = new PromotionalDiscount(5m, "discount note");
Assert.That(sut.DiscountedSubTotal, Is.EqualTo(5m));
Assert.That(sut.DiscountNote, Is.EqualTo("discount note"));
}