Contents

require 'active_model'
require 'valvat/syntax'
require 'valvat/lookup'

module ActiveModel
  module Validations
    class ValvatValidator < EachValidator
      def validate_each(record, attribute, value)
        vat = Valvat(value)
        iso_country_code = vat.iso_country_code

        if country_does_not_match?(record, iso_country_code)
          iso_country_code = iso_country_code_of(record)
        elsif vat.valid? && valid_checksum?(vat) && vat_exists?(vat)
          return
        end

        iso_country_code = "eu" if iso_country_code.blank?
        record.errors.add(attribute, :invalid_vat,
          :message => options[:message],
          :country_adjective => I18n.t(
            :"valvat.country_adjectives.#{iso_country_code.downcase}",
            :default => [:"valvat.country_adjectives.eu", "european"]
          )
        )
      end

      private

      def country_does_not_match?(record, iso_country_code)
        return false unless options[:match_country]
        iso_country_code_of(record) != iso_country_code
      end

      def iso_country_code_of(record)
        (record.send(options[:match_country]) || "").upcase
      end

      def valid_checksum?(vat)
        return true unless options[:checksum]
        vat.valid_checksum?
      end

      def vat_exists?(vat)
        return true unless options[:lookup]
        is_valid = vat.exists?
        return is_valid unless is_valid.nil?
        options[:lookup] != :fail_if_down
      end
    end
  end
end

I18n.load_path += Dir["#{File.dirname(__FILE__)}/../../valvat/locales/*.yml"]

Version data entries

22 entries across 22 versions & 1 rubygems

Version	Path
valvat-0.6.1	lib/active_model/validations/valvat_validator.rb
valvat-0.6.0	lib/active_model/validations/valvat_validator.rb