public async Task HandleAsync(Func <Task> next, object message, object correlationContext,
BasicDeliverEventArgs args)
{
var messageId = args.BasicProperties.MessageId;
if (_loggerEnabled)
{
_logger.LogTrace($"Received a unique message with id: '{messageId}' to be processed.");
}
if (!await _messageProcessor.TryProcessAsync(messageId))
{
if (_loggerEnabled)
{
_logger.LogTrace($"A unique message with id: '{messageId}' was already processed.");
}
return;
}
try
{
if (_loggerEnabled)
{
_logger.LogTrace($"Processing a unique message with id: '{messageId}'...");
}
await next();
if (_loggerEnabled)
{
_logger.LogTrace($"Processed a unique message with id: '{messageId}'.");
}
}
catch
{
if (_loggerEnabled)
{
_logger.LogTrace($"There was an error when processing a unique message with id: '{messageId}'.");
}
await _messageProcessor.RemoveAsync(messageId);
throw;
}
}