public async Task Handle(IDomainEvent <Resource, ResourceId, ResourceCreatedEvent> domainEvent)
{
//simulates a long running process
var resourceId = domainEvent.AggregateIdentity;
var startedEvent = new ResourceCreationStartedEvent(resourceId, DateTime.UtcNow);
var started = DateTimeOffset.UtcNow;
Emit(startedEvent);
var rng = new Random();
var progress = 0;
while (progress < 100)
{
var delay = rng.Next(1, 3);
await Task.Delay(delay * 1000);
progress += rng.Next(5, 15);
var elapsed = DateTimeOffset.UtcNow - started;
var progressEvent = new ResourceCreationProgressEvent(resourceId, progress, (int)elapsed.TotalSeconds, DateTime.UtcNow);
Emit(progressEvent);
}
var elapsedTime = DateTimeOffset.UtcNow - started;
var endedEvent = new ResourceCreationEndedEvent(resourceId, 100, (int)elapsedTime.TotalSeconds, DateTime.UtcNow);
Emit(endedEvent);
}
public void Apply(ResourceCreationStartedEvent aggregateEvent)
{
Progress = 0;
Start();
}
public void Apply(ResourceCreationStartedEvent _)
{
Progress = 0;
}
