public void ApplyDiscount_Throws_NullReferenceException_Ok()
{
//Arrange
List <BasketProductModel> expectedProducts = new List <BasketProductModel> {
new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 2,
Total = 2.30
}
};
BasketModel basketModel = new BasketModel {
Products = expectedProducts
};
var milk = new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 1
};
//Assert
Assert.Throws <NullReferenceException>(() => subject.ApplyDiscount(basketModel, milk));
}
public Task <BasketModel> ApplyDiscount(BasketModel basket, BasketProductModel product)
{
if (discountedProducts.Contains(product.ProductName) && basket.Products.Count > 0)
{
product.CalculateDiscount(ref basket, product);
}
return(Task.FromResult(basket));
}
public async Task BasketHasTwoBreadAndTwoButter_ReturnOk()
{
//Arrange
List <BasketProductModel> expectedProducts = new List <BasketProductModel> {
new BasketProductModel()
{
ProductName = "Butter",
ProductPrice = 0.80,
Quantity = 2,
Total = 1.60
},
new BasketProductModel()
{
ProductName = "Bread",
ProductPrice = 1.00,
Quantity = 2,
Total = 1.5
}
};
var expectedBasket = new BasketModel {
Products = expectedProducts
};
var butter = new BasketProductModel()
{
ProductName = "Butter",
ProductPrice = 0.80,
Quantity = 2
};
var bread = new BasketProductModel()
{
ProductName = "Bread",
ProductPrice = 1.00,
Quantity = 2,
OfferForThisProduct = new OfferModel
{
DiscountAmount = 50,
IsFree = false,
OfferName = "Bread",
OfferTriggerFrom = "Butter"
}
};
//Act
await basketService.AddProductToBasket(butter);
await basketService.AddProductToBasket(bread);
basketService.CalculateBasketTotal();
//Assert
Assert.IsNotNull(basketService.Baskett);
Assert.AreEqual(expectedBasket.Products, basketService.Baskett.Products);
Assert.That(basketService.TotalCost, Is.EqualTo(3.10));
}
private void updatePlusBasket(ProductModel model)
{
basket.orderTotal += model.Price;
basket.pieces++;
BasketProductModel basketItem = new BasketProductModel();
basketItem.Product = model;
basketItem.Price = model.Price;
basketItem.Pieces += 1;
basket.products.Add(basketItem);
}
/// <summary>
/// Calculate the totals if freebies available or not (we calculate the total of each product)
/// </summary>
/// <param name="bModel"></param>
/// <param name="calculateFreebes"></param>
private void CalculateTotal(ref BasketProductModel bModel, bool calculateFreebes = true)
{
if (bModel.Freebies != 0 && calculateFreebes)
{
var totalQuantity = bModel.Quantity - bModel.Freebies;
bModel.Total = totalQuantity * bModel.ProductPrice;
}
else
{
bModel.Total = bModel.Quantity * bModel.ProductPrice;
}
}
public async Task BasketHasTwoButterOneBreadEightMilk_ReturnOk()
{
//Arrange
var butter = new BasketProductModel()
{
ProductName = "Butter",
ProductPrice = 0.80,
Quantity = 2
};
var bread = new BasketProductModel()
{
ProductName = "Bread",
ProductPrice = 1.00,
Quantity = 1,
OfferForThisProduct = new OfferModel
{
DiscountAmount = 50,
IsFree = false,
OfferName = "Bread",
OfferTriggerFrom = "Butter"
}
};
var milk = new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 8,
OfferForThisProduct = new OfferModel
{
IsFree = true,
OfferName = "Milk",
OfferTriggerFrom = "Milk"
}
};
//Act
await basketService.AddProductToBasket(butter);
await basketService.AddProductToBasket(bread);
await basketService.AddProductToBasket(milk);
basketService.CalculateBasketTotal();
//Assert
var totalBasket = Math.Round(basketService.TotalCost, 2);
Assert.IsNotNull(basketService.Baskett);
Assert.That(totalBasket, Is.EqualTo(9.00));
}
public async Task AddToBasket_ReturnOk()
{
//Arrange
List <BasketProductModel> expectedProducts = new List <BasketProductModel> {
new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 2,
Total = 2.30
}
};
BasketModel returnedFromApplyDiscount = new BasketModel {
Products = expectedProducts
};
List <BasketProductModel> productsModel = new List <BasketProductModel> {
new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 1
}
};
subject.Baskett.Products = productsModel;
discountServiceMock
.Setup(x => x.ApplyDiscount(subject.Baskett, It.IsAny <BasketProductModel>())).Returns(Task.FromResult(returnedFromApplyDiscount));
var milk = new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 1
};
//Act
await subject.AddProductToBasket(milk);
subject.CalculateBasketTotal();
//Assert
Assert.AreEqual(2.30, subject.TotalCost);
Assert.AreEqual(expectedProducts[0].Quantity, subject.Baskett.Products[0].Quantity);
}
/// <summary>
/// We calculate quantity of products
/// </summary>
/// <param name="basket"></param>
/// <param name="product"></param>
/// <param name="productName"></param>
/// <returns></returns>
public int NumberOfProductsInBasket(ref BasketModel basket, BasketProductModel product = null, string productName = null)
{
var productContained = 0;
if (product != null)
{
productContained = basket.Products.FirstOrDefault(x => x.ProductName == product.ProductName).Quantity;
}
else
{
if (basket.Products.FirstOrDefault(x => x.ProductName == productName) != null)
{
productContained = basket.Products.FirstOrDefault(x => x.ProductName == productName).Quantity;
}
}
return(productContained);
}
public async Task BasketHasOneFreeMilk_ReturnOk()
{
//Arrange
List <BasketProductModel> productsModel = new List <BasketProductModel> {
new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 3,
OfferForThisProduct = new OfferModel
{
IsFree = true,
OfferName = "Milk",
OfferTriggerFrom = "Milk"
}
}
};
basketService.Baskett.Products = productsModel;
var milk = new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.00,
Quantity = 1,
OfferForThisProduct = new OfferModel
{
IsFree = true,
OfferName = "Milk",
OfferTriggerFrom = "Milk"
}
};
//Act
await basketService.AddProductToBasket(milk);
basketService.CalculateBasketTotal();
//Assert
var totalBasket = Math.Round(basketService.Baskett.Products[0].Total, 2);
Assert.IsNotNull(basketService.Baskett);
Assert.That(totalBasket, Is.EqualTo(3.45));
}
public async Task ApplyDiscount_ReturnOk()
{
//Arrange
List <BasketProductModel> expectedProducts = new List <BasketProductModel> {
new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 2,
Total = 2.30,
OfferForThisProduct = new OfferModel
{
IsFree = true,
OfferName = "Milk",
OfferTriggerFrom = "Milk"
}
}
};
BasketModel basketModel = new BasketModel {
Products = expectedProducts
};
var milk = new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 1,
OfferForThisProduct = new OfferModel
{
IsFree = true,
OfferName = "Milk",
OfferTriggerFrom = "Milk"
}
};
//Act
var resultBasket = await subject.ApplyDiscount(basketModel, milk);
//Assert
Assert.AreEqual(expectedProducts[0].Total, resultBasket.Products[0].Total);
Assert.AreEqual(expectedProducts[0].Quantity, resultBasket.Products[0].Quantity);
}
public void addOrUpdateBasket(ProductModel product)
{
Boolean succes = false;
foreach (BasketProductModel bp in basket.products)
{
if (bp.Product == product)
{
bp.Pieces++;
succes = true;
}
}
if (!succes)
{
BasketProductModel bP = new BasketProductModel();
bP.Product = product;
basket.products.Add(bP);
}
basket.orderTotal += product.Price;
}
/// <summary>
/// Calculating discount
/// </summary>
/// <param name="basket"></param>
/// <param name="product"></param>
public void CalculateDiscount(ref BasketModel basket, BasketProductModel product)
{
var productContained = NumberOfProductsInBasket(ref basket, _obj);
var obj = basket.Products.FirstOrDefault(x => x.ProductName == _obj.ProductName);
CalculateTotal(ref obj, false);
var exists = basket.Products.Select(x => x.ProductName == obj?.OfferForThisProduct?.OfferTriggerFrom).FirstOrDefault();
var productWithOfferQuanity = basket.Products.FirstOrDefault(prod => prod.ProductName == obj?.OfferForThisProduct?.OfferTriggerFrom);
switch (_obj.ProductName)
{
case "Milk":
obj.Freebies = numberOfFreeItems(productWithOfferQuanity.Quantity);
CalculateTotal(ref obj, true);
break;
case "Butter":
break;
case "Bread":
if (exists && productWithOfferQuanity != null)
{
for (int i = 0; i < productWithOfferQuanity.Quantity; i++)
{
if (i % 2 == 0)
{
CalculateDiscountedPrice(obj.OfferForThisProduct.DiscountAmount, ref obj);
}
}
}
break;
default:
break;
}
}
public ActionResult GetBasket()
{
var cookieBasket = Request.Cookies["basket"]?.Value;
var basket = new Basket();
if (!string.IsNullOrEmpty(cookieBasket))
{
basket = JsonConvert.DeserializeObject <Basket>(WebUtility.UrlDecode(cookieBasket));
}
var model = new List <BasketProductModel>();
foreach (var product in basket.Products)
{
var productEntity = _producyRepository.GetProductCard(product.Id);
var inputProduct = basket.Products.First(x => x.Id == productEntity.Id);
var productModel = new BasketProductModel
{
Id = productEntity.Id,
Name = productEntity.Name,
Articul = productEntity.Articul,
Count = inputProduct.Count,
Image = productEntity.ImageNames.First(),
Description = productEntity.Description
};
var size = productEntity.Prices.First(x => x.SizeId == inputProduct.SizeId);
productModel.Price = new SizePriceModel {
Price = size.Price, SizeId = size.SizeId, SizeName = size.SizeName
};
model.Add(productModel);
}
return(View("OrderBasketView", new BasketModel {
Products = model
}));
}
public async Task BasketHasOneOfEachProduct_ReturnOk()
{
//Arrange
List <BasketProductModel> expectedProducts = new List <BasketProductModel> {
new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 1,
Total = 1.15
},
new BasketProductModel()
{
ProductName = "Bread",
ProductPrice = 1.00,
Quantity = 1,
Total = 1.00
},
new BasketProductModel()
{
ProductName = "Butter",
ProductPrice = 0.80,
Quantity = 1,
Total = 0.80
}
};
var expectedBasket = new BasketModel {
Products = expectedProducts
};
var milk = new BasketProductModel()
{
ProductName = "Milk",
ProductPrice = 1.15,
Quantity = 1,
OfferForThisProduct = new OfferModel
{
IsFree = true,
OfferName = "Milk",
OfferTriggerFrom = "Milk"
}
};
var butter = new BasketProductModel()
{
ProductName = "Butter",
ProductPrice = 0.80,
Quantity = 1
};
var bread = new BasketProductModel()
{
ProductName = "Bread",
ProductPrice = 1.00,
Quantity = 1,
OfferForThisProduct = new OfferModel
{
DiscountAmount = 50,
IsFree = false,
OfferName = "Bread",
OfferTriggerFrom = "Butter"
}
};
//Act
await basketService.AddProductToBasket(milk);
await basketService.AddProductToBasket(bread);
await basketService.AddProductToBasket(butter);
basketService.CalculateBasketTotal();
//Assert
Assert.IsNotNull(basketService.Baskett);
Assert.AreEqual(expectedBasket.Products, basketService.Baskett.Products);
Assert.That(basketService.TotalCost, Is.EqualTo(2.95));
}
/// <summary>
/// Calculate the discounted price
/// </summary>
/// <param name="percentageToSubtract"></param>
/// <param name="bModel"></param>
private void CalculateDiscountedPrice(int percentageToSubtract, ref BasketProductModel bModel)
{
var discountedPrice = bModel.ProductPrice - (bModel.ProductPrice * percentageToSubtract / 100);
bModel.Total -= discountedPrice;
}
protected void Init(BasketProductModel bPModel)
{
_obj = bPModel;
}
