public async Task <PriceCalculateVm> Handle(CalulatePriceQuery request, CancellationToken cancellationToken)
{
var result = new PriceCalculateVm();
var basket = _shoppingBasketService.AddProducts(request.Products);
var discounts = await _productService.GetProductDiscounts();
var applyDiscount = _discountService.CalculateBasketDiscounts(basket, discounts);
var subTotalPrice = basket.Sum(item => item.Product.Price * item.Quantity);
var totalPrice = subTotalPrice - applyDiscount.Sum(item => item.Amount);
result.PriceInfo = new PriceInfoDto()
{
Total = totalPrice,
SubTotal = subTotalPrice,
DiscontMessage = string.Join(" --- ", applyDiscount.Select(x => x.Description))
};
return(result);
}