public async Task <IEnumerable <CartGetDTO> > GetCartItems(int user_id)
{
// Need to get the ProductName and Price to map in to the cartListdto
var rao = await _repository.GetCartItems(user_id);
var list_of_dtos = _mapper.Map <IEnumerable <CartGetDTO> >(rao);
foreach (var dto1 in list_of_dtos)
{
var productrao = await _productRepository.GetProductById(dto1.ProductEntityId);
dto1.ProductName = productrao.ProductName;
dto1.Price = productrao.Price;
}
// We have to calculate the subtotal after we set the prices
double subtotal = CartEngine.CalculateSubtotal(list_of_dtos);
foreach (var dto2 in list_of_dtos)
{
dto2.Subtotal = subtotal;
}
return(list_of_dtos);
}
public void Promotion_Is_Not_Applied_When_Products_Has_Invalid_CartItem()
{
int expected = 0;
IPromotionEngine <List <char> > promotionEngine = new PromotionEngine.PromotionEngine();
ICartEngine <List <char> > cartEngine = new CartEngine();
Billing billing = new Billing(promotionEngine, cartEngine);
List <char> orderedProducts = new List <char>
{
'Z'
};
int actual = billing.CalculateTotalPrice(orderedProducts);
Assert.AreEqual(expected, actual);
}
public void Promotion_Is_Not_Applied_On_Products()
{
int expected = 100;
IPromotionEngine <List <char> > promotionEngine = new PromotionEngine.PromotionEngine();
ICartEngine <List <char> > cartEngine = new CartEngine();
Billing billing = new Billing(promotionEngine, cartEngine);
List <char> orderedProducts = new List <char>
{
'A',
'B',
'C'
};
int actual = billing.CalculateTotalPrice(orderedProducts);
Assert.AreEqual(expected, actual);
}
public void Promotion1_only_Applied_On_Products_Eventhough_Multiple_Promotions_Are_Valid()
{
int expected = 195;
IPromotionEngine <List <char> > promotionEngine = new PromotionEngine.PromotionEngine();
ICartEngine <List <char> > cartEngine = new CartEngine();
Billing billing = new Billing(promotionEngine, cartEngine);
List <char> orderedProducts = new List <char>
{
'A',
'A',
'A',
'B',
'C',
'D'
};
int actual = billing.CalculateTotalPrice(orderedProducts);
Assert.AreEqual(expected, actual);
}
public CartManager()
{
cartEngine = new CartEngine();
}
