class AddAuthority < ActiveRecord::Migration
  def change
    # 添加课程权限
    Role.all.each do |role|
      if role.name == '学生'
        role.permissions.append(:paret_in_homework)
      elsif role.name == 'Manager'
        role.permissions.append(:is_manager)
      end
      role.save(:validate => false)
    end
  end
end