SpeciesFileGroup/taxonworks

# A class representing physical, biological, collection enumerated (precisely, see also RangedLot) to > 1, i.e. a group of individuals.
class Lot < CollectionObject::BiologicalCollectionObject

  is_origin_for 'Specimen', 'Lot', 'RangedLot', 'Sequence', 'Extract'
  originates_from 'Lot', 'RangedLot' 

  with_options if: -> {self.type == 'Lot'} do |l|
    l.validate :size_of_total
  end

  protected

  def size_of_total
    errors.add(:total, 'total must be > 1') if self.total.nil? || !(self.total > 1)
  end
end