1 # frozen_string_literal: true
4 # validation method to be included like any other validations methods
5 # in the models definitions. this one checks that the named attribute
6 # is a valid UTF-8 format string.
7 class Utf8Validator < ActiveModel::EachValidator
8 def validate_each(record, attribute, value)
9 record.errors.add(attribute, " is invalid UTF-8") unless UTF8.valid? value