def get_field_values_dump() -> str:
    data = DocumentFieldValue.objects \
        .filter(removed_by_user=False,
                created_by__isnull=False,
                text_unit__text__isnull=False) \
        .annotate(text_unit_text=F('text_unit__text')) \
        .values('field_id', 'value', 'extraction_hint',
                'text_unit_text', 'created_date', 'modified_date')

    transfer_objects = [ExternalFieldValue(**i) for i in data]
    return core_serializers.serialize('json', transfer_objects)
def get_field_values_dump() -> str:
    import apps.document.repository.document_field_repository as dfr
    field_repo = dfr.DocumentFieldRepository()
    data = field_repo.get_annotated_values_for_dump()
    transfer_objects = [ExternalFieldValue(**i) for i in data]
    return core_serializers.serialize('json', transfer_objects)