private async Task HandleDynamicTypeIntegrationEvent(Message message)
{
var subscribers = _subscriptions.GetSubscribers(message.Label);
if (subscribers.IsNullOrEmpty())
{
return;
}
var data = Encoding.UTF8.GetString(message.Body);
if (string.IsNullOrWhiteSpace(data))
{
return;
}
dynamic integrationEvent = JsonConvert.DeserializeObject(data);
foreach (var subscriber in subscribers)
{
// Find handler for the message type
var handler = ActivatorUtilities.GetServiceOrCreateInstance(_services, subscriber.HandlerType);
if (handler == null)
{
continue;
}
if (handler is IDynamicIntegrationEventHandler dynamicHandler)
{
// Process handler
await dynamicHandler.Handle(integrationEvent);
}
}
}
private async Task ProcessAsync(Message message)
{
if (message == null)
{
return;
}
var data = Encoding.UTF8.GetString(message.Body);
if (string.IsNullOrWhiteSpace(data))
{
return;
}
var eventName = $"{message.Label}{IntegrationEventSuffix}";
if (!_subscriptions.HasSubscribers(eventName))
{
return;
}
using (var scope = _serviceProvider.CreateScope())
{
var subscribers = _subscriptions.GetSubscribers(eventName);
foreach (var subscriber in subscribers)
{
if (subscriber.IsDynamic)
{
if (scope.ServiceProvider.GetService(subscriber.HandlerType) is IDynamicIntegrationEventHandler handler)
{
dynamic eventData = JObject.Parse(data);
await handler.Handle(eventData).ConfigureAwait(false);
}
}
else
{
var eventType = _subscriptions.GetEventType(eventName);
var integrationEvent = JsonConvert.DeserializeObject(data, eventType);
var handler = scope.ServiceProvider.GetService(subscriber.HandlerType);
if (handler != null)
{
var concreteType = typeof(IIntegrationEventHandler <>).MakeGenericType(eventType);
await(Task) concreteType.GetMethod("Handle")
.Invoke(handler, new object[] { integrationEvent });
}
}
}
}
// Complete the message so that it is not received again.
await _subscriptionClient.CompleteAsync(message.SystemProperties.LockToken);
}
