public async Task <ActionResult> Index(CancellationToken ctk)
{
DateTime startDate = DateTime.UtcNow;
HomePageViewModel viewModel = new HomePageViewModel();
viewModel.AddMessage(string.Concat("Starting Action on thread id ", Thread.CurrentThread.ManagedThreadId));
Task <string> calculationResultTask = CalculationService.GetResultAsync(ctk);
Task <string> databaseResultTask = DatabaseService.GetDataAsync(ctk);
await Task.WhenAll(calculationResultTask, databaseResultTask);
viewModel.AddMessage(calculationResultTask.GetAwaiter().GetResult());
viewModel.AddMessage(databaseResultTask.GetAwaiter().GetResult());
DateTime endDate = DateTime.UtcNow;
TimeSpan diff = endDate - startDate;
viewModel.AddMessage(string.Concat("Finishing Action on thread id ", Thread.CurrentThread.ManagedThreadId));
viewModel.AddMessage(string.Concat("Action processing time: ", diff.TotalSeconds));
return(View(viewModel));
}