public IListenerRegistration AddSnapshotListener(bool includeMetadataChanges, DocumentSnapshotHandler listener)
{
var registration = _documentReference.AddSnapshotListener(includeMetadataChanges ? MetadataChanges.Include : MetadataChanges.Exclude, new EventHandlerListener <DocumentSnapshot>((value, error) =>
{
listener?.Invoke(value == null ? null : new DocumentSnapshotWrapper(value),
error == null ? null : ExceptionMapper.Map(error));
}));
return(new ListenerRegistrationWrapper(registration));
}
public IListenerRegistration AddSnapshotListener(DocumentSnapshotHandler listener)
{
var registration = _documentReference.AddSnapshotListener(new EventHandlerListener <DocumentSnapshot>((value, error) =>
{
listener?.Invoke(value == null ? null : new DocumentSnapshotWrapper(value),
error == null ? null : ExceptionMapper.Map(error));
}));
return(new ListenerRegistrationWrapper(registration));
}
public void GetDocument(DocumentSnapshotHandler handler)
{
var tcs = new TaskCompletionSource <IDocumentSnapshot>();
DocumentReference.Get().AddOnCompleteListener(new OnCompleteHandlerListener((task) =>
{
var snapshot = !task.IsSuccessful ? null : task.Result.JavaCast <DocumentSnapshot>();
handler?.Invoke(snapshot == null ? null : new DocumentSnapshotWrapper(snapshot),
task.IsSuccessful ? null : new CloudFirestoreException(task.Exception.Message));
}));
}
public void GetDocument(Source source, DocumentSnapshotHandler handler)
{
var tcs = new TaskCompletionSource <IDocumentSnapshot>();
_documentReference.Get(source.ToNative()).AddOnCompleteListener(new OnCompleteHandlerListener((task) =>
{
var snapshot = !task.IsSuccessful ? null : task.Result.JavaCast <DocumentSnapshot>();
handler?.Invoke(snapshot == null ? null : new DocumentSnapshotWrapper(snapshot),
task.IsSuccessful ? null : ExceptionMapper.Map(task.Exception));
}));
}
public IListenerRegistration AddSnapshotListener(bool includeMetadataChanges, DocumentSnapshotHandler listener)
{
if (!includeMetadataChanges)
{
return(AddSnapshotListener(listener));
}
var option = new DocumentListenOptions().IncludeMetadataChanges();
var registration = DocumentReference.AddSnapshotListener(option, new EventHandlerListener <DocumentSnapshot>((value, error) =>
{
listener?.Invoke(value == null ? null : new DocumentSnapshotWrapper(value),
error == null ? null : new CloudFirestoreException(error.Message));
}));
return(new ListenerRegistrationWrapper(registration));
}