educoder/app/forms/users/apply_authentication_form.rb

class Users::ApplyAuthenticationForm
  include ActiveModel::Model

  attr_accessor :name, :id_number, :upload_image

  validates :name, presence: true
  validate :validate_ID_number


  def validate_ID_number
    Rails.logger.info("##id_number: #{id_number}")
    if id_number.present? && (id_number =~ User::VALID_NUMBER_REGEX).present?
      raise("身份证格式不对")
    end
  end
end