public IObservable <DealRowViewModel> GetAllDealUpdates()
{
//Will read all events from the system and filter non-deal streams.
//var allDealEvents = _eventStoreClient.AllEvents()
// .Where(re => StreamNames.IsDealStream(re.Event.EventStreamId));
//-Or-
//--Requires the system Category projection to be started. hre $ce-* is a logical CategoryEvent system stream of anything starting with "Deal-"
var allDealEvents = _eventStoreClient.GetEvents("$ce-Deal");
return(allDealEvents
.GroupBy(re => re.Event.EventStreamId)
.SelectMany(dealStream => dealStream
.Scan <ResolvedEvent, DealRowViewModel>(null, AccumlateDealEvents)));
}
public static IObservable <T> GetEvents <T>(this IEventStoreClient eventStoreClient, string streamName)
{
return(eventStoreClient.GetEvents(streamName)
.Select(re => Encoding.UTF8.GetString(re.OriginalEvent.Data))
.Select(JsonConvert.DeserializeObject <T>));
}