def calculate_sortable_values
      response_fieldable.input_fields.each do |response_field|
        if (x = response_value(response_field)).present?
          get_responses["#{response_field.id}_sortable_value"] = response_field.sortable_value(x)
        end
      end

      mark_responses_as_changed!
    end
def calculate_sortable_values
      response_fieldable.input_fields.each do |response_field|
        if (x = response_value(response_field)).present?
          get_responses["#{response_field.id}_sortable_value"] = response_field.sortable_value(x)
        end
      end

      mark_responses_as_changed!
    end
for manual use, maybe when migrating