demarches-normaliennes/app/components/editable_champ/datetime_component.rb

class EditableChamp::DatetimeComponent < EditableChamp::EditableChampBaseComponent
  def datetime_start_year(date)
    if date == nil || date.year == 0 || date.year >= Date.today.year - 1
      Date.today.year - 1
    else
      date.year
    end
  end
end