public async Task Send(string topic, ToposMessage message, string partitionKey = null, CancellationToken cancellationToken = default)
{
if (topic == null)
{
throw new ArgumentNullException(nameof(topic));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var transportMessage = GetTransportMessage(message);
_logger.Debug("Sending message with ID {messageId} to topic {topic}", transportMessage.GetMessageId(), topic);
await _producerImplementation.Send(topic, partitionKey, transportMessage, cancellationToken);
}
TransportMessage GetTransportMessage(ToposMessage message)
{
var body = message.Body;
var headersOrNull = message.Headers;
var headers = headersOrNull?.Clone() ?? new Dictionary <string, string>();
if (!headers.ContainsKey(ToposHeaders.MessageId))
{
headers[ToposHeaders.MessageId] = Guid.NewGuid().ToString();
}
if (!headers.ContainsKey(ToposHeaders.Time))
{
headers[ToposHeaders.Time] = DateTimeOffset.Now.ToIso8601DateTimeOffset();
}
var logicalMessage = new LogicalMessage(headers, body);
var transportMessage = _messageSerializer.Serialize(logicalMessage);
return(transportMessage);
}
