public async Task <IHttpActionResult> PostAsync(BasketInDTO basketIn)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
BasketOutDTO basketOut = null;
try
{
basketOut = await BasketService.CalculatePrice(basketIn);
}
catch (Exception ex)
{
return(BadRequest(ex.Message));
}
return(Ok <BasketOutDTO>(basketOut));
}
public Task <BasketOutDTO> CalculatePrice(BasketInDTO basketIn)
{
// First load all the products
var products = GetBasketProducts(basketIn);
var productsPrice = products.Sum(x => x.Price);
// Now determine the discounts that can be applied
var appliedDiscounts = AppliedDiscountService.GetAppliedDiscounts(products);
var appliedDiscountsAmount = appliedDiscounts.Sum(x => x.Amount);
// Finally wrap up and return
var basketOut = new BasketOutDTO
{
Products = products,
AppliedDiscounts = appliedDiscounts,
TotalPrice = productsPrice + appliedDiscountsAmount
};
return(Task.FromResult <BasketOutDTO>(basketOut));
}
