SpeciesFileGroup/taxonworks

class NomenclaturalRank::Iczn::SpeciesGroup < NomenclaturalRank::Iczn

  def self.validate_name_format(taxon_name)
    if !taxon_name.name.blank?
      taxon_name.errors.add(:name, 'name must be lower case') unless taxon_name.name == taxon_name.name.downcase
      taxon_name.errors.add(:name, 'name must be at least two letters') unless taxon_name.name.length > 1
    end
  end

  def self.valid_parents
    self.collect_descendants_to_s(
      NomenclaturalRank::Iczn::SpeciesGroup,
      NomenclaturalRank::Iczn::GenusGroup)
  end
end