/// <summary>
/// Returns list of available products
/// </summary>
public async Task <IHttpActionResult> Get()
{
List <ProductItemDTO> productDTOs = await _productService.FindAllProducts();
CartDTO cart = new CartDTO()
{
CartItems = new List <CartItemDTO>(), Total = 0
};
ProductSelectionViewModel result = new ProductSelectionViewModel()
{
Products = productDTOs.Select(x => new ProductViewModel()
{
Code = x.Code,
Description = x.Description,
Price = x.Price,
AmountInCart = 0,
Available = x.AmountInStock > 0
}
).ToList(),
Total = cart.Total,
Discounts = new List <DiscountViewModel>(),
Cart = new CartDTO()
{
CartItems = new List <CartItemDTO>(), Total = 0
}
};
return(Json(result));
}
/// <summary>
/// Adds a new product item to cart
/// </summary>
public async Task <IHttpActionResult> Post(string id, List <CartItemDTO> existingCartItems)
{
if (string.IsNullOrEmpty(id))
{
throw new ArgumentException("Product code is mandatory");
}
if (existingCartItems == null)
{
existingCartItems = new List <CartItemDTO>();
}
if (existingCartItems.Where(x => x == null).Any())
{
throw new ArgumentException("Cart Item cannot be null");
}
CartDTO cart = await _productService.AddProductToCart(id, existingCartItems);
List <ProductItemDTO> productDTOs = await _productService.FindAllProducts();
List <DiscountViewModel> listOfDiscounts = CalculateDiscounts(productDTOs, cart);
ProductSelectionViewModel res = new ProductSelectionViewModel()
{
Products = productDTOs.Select(x => new ProductViewModel()
{
Code = x.Code,
Description = x.Description,
Price = x.Price,
AmountInCart = (cart.CartItems.Where(c => c.Product.Code == x.Code).FirstOrDefault() != null ? cart.CartItems.Where(c => c.Product.Code == x.Code).FirstOrDefault().Quantity : 0)
}).ToList(),
Total = cart.Total,
Discounts = listOfDiscounts,
Cart = cart
};
foreach (ProductViewModel product in res.Products)
{
CartItemDTO cartItem = cart.CartItems.Where(x => x.Product.Code == product.Code).FirstOrDefault();
if (cartItem != null)
{
product.Available = product.AmountInCart < cartItem.Product.AmountInStock;
}
else
{
product.Available = productDTOs.Where(x => x.Code == product.Code).FirstOrDefault().AmountInStock > 0;
}
}
return(Json(res));
}
public async Task <IActionResult> Index(int lastStepId, string errorMessage = null)
{
var products = await _vendingService.AvailableProducts();
var balance = await _vendingService.GetBalance(lastStepId);
var productViewModel = _mapper.Map <IEnumerable <ProductViewModel> >(products);
var productSelectionViewModel = new ProductSelectionViewModel
{
Products = productViewModel,
WorkflowStepId = lastStepId,
Balance = balance,
ErrorMessage = errorMessage
};
return(View(productSelectionViewModel));
}
