has_many :orders, class_name: 'Purchase::Order' before_create do self.auth_id = SecureRandom.uuid self.auth_token = SecureRandom.hex end def already_connected_with?(provider) connections.find_by(provider: provider).present? end def overwrite_connection(provider:, provider_uid:) connections.find_by!(provider: provider).update!(provider_uid: provider_uid) end def register_birth_date(year, month) update!(birth_date: build_birth_date(year, month)) end def child? become_adult_day.future? end private def become_adult_day birth_date + 20.years + 1.month end