private IEnumerable <Task> ProcessEvent(ConsumeResult <string, byte[]> consumeResult)
{
var eventName = consumeResult.Topic;
var message = Encoding.UTF8.GetString(consumeResult.Message.Value);
if (_subscriptionManager.IsEventSubscribed(eventName))
{
var policy = BuildProcessEventPolicy();
using (var serviceScope = _serviceProvider.CreateScope())
{
foreach (var handlerType in _subscriptionManager.GetHandlersForEvent(eventName))
{
var handler = serviceScope.ServiceProvider.GetRequiredService(handlerType);
if (handler == null)
{
continue;
}
var eventType = _subscriptionManager.GetEventTypeByName(eventName);
var integrationEvent = JsonConvert.DeserializeObject(message, eventType);
var concreteType = typeof(IEventHandler <>).MakeGenericType(eventType);
_logger.LogInformation($"Process event \"{eventName}\" with \"{handler.GetType().Name}\"...");
yield return((Task)policy.Execute(() => concreteType.GetMethod("Handle").Invoke(handler, new object[] { integrationEvent })));
}
}
}
}