/// <summary>
/// Processes an Async Status until it is completed or runs into an error.
/// </summary>
/// <param name="status">The async status to process.</param>
/// <param name="remainingTimeCallback">A callback function in which the estimated remaining time in seconds is sent.</param>
/// <returns></returns>
private static async Task <AsyncStatus> ProcessAsyncStatus(AsyncStatus status, Action <int> remainingTimeCallback)
{
var statusUrl = new Uri(status.CallbackUrl);
if (status.CallbackInSeconds > 0 || !status.IsCompleted || string.IsNullOrEmpty(status.ResultUrl))
{
remainingTimeCallback?.Invoke(status.CallbackInSeconds);
//Wait remaining seconds.
await Task.Delay(TimeSpan.FromSeconds(status.CallbackInSeconds)).ConfigureAwait(false);
status = await ServiceHelper.MonitorAsyncStatus(statusUrl, 0, remainingTimeCallback).ConfigureAwait(false);
}
if (status != null)
{
if (status.IsCompleted && !string.IsNullOrEmpty(status.ResultUrl))
{
return(status);
}
else if (!status.IsAccepted)
{
throw new Exception("The request was not accepted. " + (!string.IsNullOrEmpty(status.ErrorMessage) ? status.ErrorMessage : ""));
}
else if (!string.IsNullOrEmpty(status.ErrorMessage))
{
throw new Exception(status.ErrorMessage);
}
}
return(status);
}