public async Task Save(Learner aggregate)
        {
            if (aggregate.IsNew)
            {
                await _learnerDataRepository.Add(aggregate.GetModel());
            }
            else
            {
                await _learnerDataRepository.Update(aggregate.GetModel());
            }

            foreach (dynamic domainEvent in aggregate.FlushEvents())
            {
                await _domainEventDispatcher.Send(domainEvent);
            }
        }