private T GetPayload <T>(ServiceBusReceivedMessage serviceBusReceivedMessage, ServiceBusSubscriberReceiveMessageTypes receiveMessageType, CancellationToken cancellationToken = default)
where T : class
{
if (receiveMessageType == ServiceBusSubscriberReceiveMessageTypes.FullMessage)
{
return(serviceBusReceivedMessage as T);
}
try
{
var message = JsonConvert.DeserializeObject(serviceBusReceivedMessage.Body.ToString(), typeof(ServiceBusMessage <T>));
return(receiveMessageType == ServiceBusSubscriberReceiveMessageTypes.Message
? (T)message
: ((ServiceBusMessage <T>)message)?.Payload);
}
catch (Exception ex)
{
_logger.LogError(ex, "Service Bus received message get payload failure");
throw new ServiceBusSubscriberOperationException("Service Bus received message get payload failure", ex);
}
}
private object GetPayload(ServiceBusReceivedMessage serviceBusReceivedMessage, ServiceBusSubscriberReceiveMessageTypes receiveMessageType, CancellationToken cancellationToken = default)
{
if (receiveMessageType == ServiceBusSubscriberReceiveMessageTypes.FullMessage)
{
return(serviceBusReceivedMessage);
}
if (!serviceBusReceivedMessage.ApplicationProperties.TryGetValue(nameof(Metadata.EventName), out var eventNameAsObject) ||
!serviceBusReceivedMessage.ApplicationProperties.TryGetValue(nameof(Metadata.Version), out var versionAsObject))
{
return(GetPayload <object>(serviceBusReceivedMessage, receiveMessageType, cancellationToken));
}
var eventName = (string)eventNameAsObject;
var version = (int)versionAsObject;
if (!_serviceBusSubscriberConfiguration.DeserializationDictionary.TryGetValue((version, eventName), out var payloadType) ||
payloadType == null)
{
return(GetPayload <object>(serviceBusReceivedMessage, receiveMessageType, cancellationToken));
}
try
{
var message = JsonConvert.DeserializeObject(serviceBusReceivedMessage.Body.ToString(), payloadType);
return(receiveMessageType == ServiceBusSubscriberReceiveMessageTypes.Message
? message
: message.GetType().GetProperty(nameof(ServiceBusMessage <object> .Payload)).GetValue(message, null));
}
catch (Exception ex)
{
_logger.LogError(ex, "Service Bus received message get payload failure");
throw new ServiceBusSubscriberOperationException("Service Bus received message get payload failure", ex);
}
}
