require "validates_cpf/cpf" #Rspec Matchers require "validates_cpf/shoulda-matchers/require_a_valid_cpf_matcher" if defined?(::Shoulda) require "validates_cpf/remarkable/require_a_valid_cpf_matcher" if defined?(::Remarkable) class CpfValidator < ActiveModel::EachValidator def validate_each(record, attribute, value) key = :"activerecord.errors.models.#{record.class.name.downcase}.attributes.#{attribute.to_s}.invalid" record.errors[attribute] << I18n.t(key, :default => :"activerecord.errors.messages.invalid") unless CPF.new(value).valid? end end