app/validators/customer_cnpj_validator.rb
class CustomerCnpjValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
if (record.person_type==CustomerPj.to_s)
#cnpj
unless (!record.complete? && ((value == "") || (value == '0'*14) || (Cnpj.new(value).valido?))) ||
(Cnpj.new(value).valido?)
record.errors[attribute] << (options[:message] || ("%s %s" % [I18n.t("customer_pjs.doc"), I18n.t('errors.messages.invalid')]) )
end
end
end
end