public async Task <DeleteMessageResponse> Handle(DeleteMessageRequest request, CancellationToken cancellationToken)
{
if (await messenger.Delete(request.MessageId))
{
await hubManager.Invoke(SignalrActions.ON_MESSAGE_DELETED, request.RecipientId, request.MessageId);
return(new DeleteMessageResponse());
}
throw new CrudException("Message has not been deleted");
}