public async Task <PurchaseOrderResponse> Handle(PurchaseOrderRequest request, CancellationToken cancellationToken)
{
if (!await balanceValidationService.HasEnoughFunds(httpContextReader.CurrentUserId, request.TotalAmount))
{
throw new PaymentException("Insufficient funds to complete transaction");
}
var order = await orderService.PurchaseOrder(request);
var orderOfferItems = order.Items.Where(i => i.Type == OrderType.Offer);
var offersData = orderOfferItems.Select(i => new { OwnerId = i.OptionalData, Amount = (decimal)i.Amount / Constants.MoneyMultiplier });
foreach (var item in orderOfferItems)
{
var notification = await notifier.Push(NotificationMessages.OfferBoughtMessage(order.User.UserName, item.ProductName), item.OptionalData);
await hubManager.Invoke(SignalrActions.NOTIFICATION_RECEIVED, item.OptionalData, mapper.Map <NotificationDto>(notification));
}
var premiumOrder = order.Items.FirstOrDefault(i => i.Type == OrderType.Premium);
if (premiumOrder != null && !await rolesManager.AdmitRole(RoleName.Premium, order.User))
{
throw new PaymentException("Upgrading account to premium status failed");
}
if (order != null)
{
foreach (var offerData in offersData)
{
await balanceService.AddBalance(offerData.OwnerId, offerData.Amount);
await balanceService.AddBalance(order.UserId, -offerData.Amount);
}
string token = default(string);
if (premiumOrder != null)
{
await balanceService.AddBalance(order.UserId, -(decimal)premiumOrder.Amount / Constants.MoneyMultiplier);
token = await jwtAuthorizationTokenGenerator.GenerateToken(order.User);
}
return(new PurchaseOrderResponse {
Order = mapper.Map <OrderDto>(order), Token = token
});
}
throw new PaymentException("Purchasing order failed");
}