class StrippedLengthValidator < ActiveModel::EachValidator def validate_each(record, attribute, value) unless value.nil? stripped_length = value.strip.length range = options[:in] record.errors.add attribute, (options[:message] || I18n.t('errors.messages.too_short', count: range.begin)) unless stripped_length >= range.begin record.errors.add attribute, (options[:message] || I18n.t('errors.messages.too_long', count: range.end)) unless stripped_length <= range.end else record.errors.add attribute, (options[:message] || I18n.t('errors.messages.blank')) end end end