class UserExtension < ApplicationRecord
  # identity 0: 教师教授 1: 学生, 2: 专业人士, 3: 开发者
  enum identity: { teacher: 0, student: 1, professional: 2, developer: 3, cnmooc: 4, unselect: -1 }

  belongs_to :user, touch: true
  belongs_to :school, optional: true
  belongs_to :department, optional: true

  def identity_text
    I18n.t("user.identity.#{identity}")
  end
end