class UnreleasedAppearancesPresenter
  def present(unreleased_appearances)
    UnreleasedData.new(
      unreleased_appearances: sort(unreleased_appearances),
    )
  end

  private

  def sort(unreleased_appearances)
    unreleased_appearances.sort_by(&:appears_at)
  end

  class UnreleasedData < Struct.new(:unreleased_appearances, keyword_init: true)
  end
end