public async Task <PriceResult> CalculatePriceAsync(PriceRequestDTO request, Guid userId)
{
var products = request.Products.Where(g => g.Quantity > 0).ToArray();
if (!products.Any())
{
return new PriceResult
{
Discount = 0,
SummaryPrice = 0,
Products = new System.Collections.Generic.List <PriceResult.CalculatedProductPrice>()
}
}
;
_warehouseServiceClient.AddHeader(Constants.USERID_HEADER, userId.ToString());
var basePrices = await _warehouseServiceClient.ProductPriceAsync(products.Select(g => Guid.Parse(g.ProductId)).ToArray());
var discount = (100 - new Random().Next(0, 30)) / 100.0m;
PriceResult result = new();
foreach (var prod in products)
{
var price = basePrices.First(k => k.Id == Guid.Parse(prod.ProductId)).BasePrice;
result.SummaryPrice += price * prod.Quantity;
}
result.Discount = 100 - discount * 100;
result.SummaryPrice *= discount;
result.SummaryPrice = decimal.Round(result.SummaryPrice, 2);
return(result);
}
}