private async void btnSubmit_Click(object sender, RoutedEventArgs e)
{
bool isValidated = ValidateInputs();
SetResultLabelColor(true);
if (isValidated)
{
SetResultLabelColor(false);
// disable button click
btnSubmit.IsEnabled = false;
BillingPreviewRunInputs bprInputs = new BillingPreviewRunInputs(txtApiUserId.Text, txtApiUserPassword.Password, (DateTime)txtTargetDate.SelectedDate, txtRequestId.Text);
// create async function
imgLoading.Visibility = Visibility.Visible;
lbResult.Text = "Please wait...";
var slowTask = Task <BillingPreviewRunResult> .Factory.StartNew(() => SubmitBillingPreviewRequest(bprInputs));
await slowTask;
StringBuilder messages = new StringBuilder();
// update text result and show spinning icon
if (slowTask.Result.Status == "Completed")
{
SetResultLabelColor(false);
messages.AppendLine("Status: " + slowTask.Result.Status);
messages.AppendLine("Download Link: " + slowTask.Result.ResultFileUrl);
messages.AppendLine("RequestId: " + slowTask.Result.RequestId);
messages.AppendLine("Update Date: " + slowTask.Result.UpdateDate);
messages.AppendLine("Total Accounts: " + slowTask.Result.TotalAccounts);
}
else
{
SetResultLabelColor(true);
messages.AppendLine("Status: " + slowTask.Result.Status);
if (slowTask.Result.Status == "Pending")
{
messages.AppendLine("Message: The request is submitted and in progress. Use the requestId and click the submit button again.");
}
else
{
messages.AppendLine("Message: " + slowTask.Result.Message);
}
messages.AppendLine("RequestId: " + slowTask.Result.RequestId);
}
lbResult.Text = messages.ToString();
imgLoading.Visibility = Visibility.Hidden;
// enable button click
btnSubmit.IsEnabled = true;
}
}
private BillingPreviewRunResult SubmitBillingPreviewRequest(BillingPreviewRunInputs inputs)
{
BillingPreviewRunResult result = new BillingPreviewRunResult("Start", "", 0, DateTime.Now, "", "");
BillingPreviewRunService billingService = new BillingPreviewRunService();
bool loginSuccess = billingService.Login(inputs.UserId, inputs.Password);
if (loginSuccess)
{
string requestId = "";
if (inputs.RequestId != "")
{
requestId = inputs.RequestId;
}
else
{
requestId = billingService.SubmitBillingPreviewRequest(inputs.TargetDate);
}
if (!string.IsNullOrWhiteSpace(requestId))
{
// try 5 times to wait for the result.
for (int i = 0; i < 10; i++)
{
// check for result
result = billingService.GetBillingRequestById(requestId);
// break if the request is complete
if (result.Status == "Completed")
{
break;
}
// sleep 5 seconds
Thread.Sleep(5000);
}
}
else
{
return(new BillingPreviewRunResult("Error", "", 0, DateTime.Now, "Submit BillingPreviewRun request failed!", requestId));
}
return(result);
}
else
{
return(new BillingPreviewRunResult("Error", "", 0, DateTime.Now, "Login failed! Check your credentials.", ""));
}
}