class ApiKey < ActiveRecord::Base attr_accessible :access_token, :active, :expires_at, :user_id before_create :generate_access_token before_create :set_experation # validates_presence_of :user_id, :access_token def expired? DateTime.now >= self.expires_at end private def generate_access_token self.access_token = SecureRandom.hex end def set_experation self.expires_at = DateTime.now + 30 end end