public static IObservable <IDocumentSnapshot> AsObservable(this IDocumentReference document, bool includeMetadataChanges)
{
return(Observable.Create <IDocumentSnapshot>(observer =>
{
return document.AddSnapshotListener(includeMetadataChanges, (snapshot, error) =>
{
if (error != null)
{
observer.OnError(error);
}
else
{
observer.OnNext(snapshot !);
}
});
}));
}
public static IObservable <IDocumentSnapshot> AsObservable(this IDocumentReference document)
{
return(Observable.Create <IDocumentSnapshot>(observer =>
{
var registration = document.AddSnapshotListener((snapshot, error) =>
{
if (error != null)
{
observer.OnError(error);
}
else
{
observer.OnNext(snapshot);
}
});
return Disposable.Create(registration.Remove);
}));
}