class Individual < ActiveRecord::Base belongs_to :dossier validates_uniqueness_of :dossier_id validates :gender, presence: true, allow_nil: false, on: :update validates :nom, presence: true, allow_blank: false, allow_nil: false, on: :update validates :prenom, presence: true, allow_blank: false, allow_nil: false, on: :update validates :birthdate, format: { with: /\A\d{4}\-\d{2}\-\d{2}\z/, message: "La date n'est pas au format AAAA-MM-JJ" }, allow_nil: true before_validation :set_iso_date, if: -> { birthdate_changed? } private def set_iso_date if birthdate.present? self.birthdate = Date.parse(birthdate).iso8601 end end end