/// <summary>
/// Calls the server to get updated status of the long-running operation.
/// </summary>
/// <param name="async">When <c>true</c>, the method will be executed asynchronously; otherwise, it will execute synchronously.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> used for the service call.</param>
/// <returns>The HTTP response received from the server.</returns>
private async ValueTask <Response> UpdateStatusAsync(bool async, CancellationToken cancellationToken)
{
if (!_hasCompleted)
{
using DiagnosticScope scope = _diagnostics.CreateScope($"{nameof(RecognizeBusinessCardsOperation)}.{nameof(UpdateStatus)}");
scope.Start();
try
{
Response <AnalyzeOperationResult> update = async
? await _serviceClient.GetAnalyzeBusinessCardResultAsync(new Guid(Id), cancellationToken).ConfigureAwait(false)
: _serviceClient.GetAnalyzeBusinessCardResult(new Guid(Id), cancellationToken);
_response = update.GetRawResponse();
if (update.Value.Status == OperationStatus.Succeeded)
{
// We need to first assign a value and then mark the operation as completed to avoid a race condition with the getter in Value
_value = ClientCommon.ConvertPrebuiltOutputToRecognizedForms(update.Value.AnalyzeResult);
_hasCompleted = true;
}
else if (update.Value.Status == OperationStatus.Failed)
{
_requestFailedException = await ClientCommon
.CreateExceptionForFailedOperationAsync(async, _diagnostics, _response, update.Value.AnalyzeResult.Errors)
.ConfigureAwait(false);
_hasCompleted = true;
throw _requestFailedException;
}
}
catch (Exception e)
{
scope.Failed(e);
throw;
}
}
return(GetRawResponse());
}