private async Task ProcessMessagesAsync(Message message, CancellationToken cancellationToken)
{
try
{
var messageBody = Encoding.UTF8.GetString(message.Body);
_logger.LogDebug($"Received message: SequenceNumber: {message.SystemProperties.SequenceNumber} Body: {messageBody}");
var user = System.Text.Json.JsonSerializer.Deserialize <AzureActiveDirectoryUser>(messageBody);
await _messageProcessor.ProcessUser(user);
if (!cancellationToken.IsCancellationRequested && !_subscriptionClient.IsClosedOrClosing && message.SystemProperties.IsLockTokenSet)
{
await _subscriptionClient.CompleteAsync(message.SystemProperties.LockToken);
}
}
catch (Exception ex)
{
var msg = $"Exception when processing message: {Encoding.UTF8.GetString(message.Body)}, sending message to DeadLetter. StackTrace: {ex.StackTrace}";
_logger.LogError(ex, msg);
if (!_subscriptionClient.IsClosedOrClosing && message.SystemProperties.IsLockTokenSet)
{
await _subscriptionClient.DeadLetterAsync(message.SystemProperties.LockToken, msg);
}
}
}