private async Task BroadcastOperationAsync(
ChangeStreamOperationType operationType,
RecordedEventDocument document
)
{
switch (operationType)
{
case ChangeStreamOperationType.Insert:
{
var recordedEvent = RecordedEvent.FromDocument(document);
Console.WriteLine("Broadcasting insert:");
Console.WriteLine(Encoding.UTF8.GetString(recordedEvent.Data));
await _hub.Clients.All.EventRecorded(recordedEvent);
break;
}
case ChangeStreamOperationType.Update:
case ChangeStreamOperationType.Replace:
case ChangeStreamOperationType.Delete:
case ChangeStreamOperationType.Invalidate:
case ChangeStreamOperationType.Rename:
case ChangeStreamOperationType.Drop:
break;
default:
throw new ArgumentOutOfRangeException(nameof(operationType), operationType, null);
}
}
public static RecordedEvent FromDocument(RecordedEventDocument document)
{
var recordedEvent = new RecordedEvent(
document.Id,
document.Stream,
document.EventId,
document.EventType,
document.EventNumber,
document.Created,
document.Data,
document.Metadata
);
return(recordedEvent);
}