class AlphaValidator < ActiveModel::EachValidator

  def validate_each(record, attribute, value)
    if options[:strict]
      format = /^[A-Za-z]+$/i # Strict: requires no spaces to be included
    elsif options[:lowercase]
      format = /^[a-z]+$/
    elsif options[:uppercase]
      format = /^[A-Z]+$/
    else
      format = /^[A-Za-z ]+$/i
    end

    unless value =~ format
      record.errors[attribute] << (options[:message] || I18n.t('errors.messages.alpha'))
    end
  end

end