Firt_user_admin Oct 25th, 2017 11:49 pm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 #models/user.rb class User < ApplicationRecord after_create :set_admin private def set_admin if User.count == 1 User.first.update_attribute(:power,3) else return true end end end