1class UserSession < ApplicationRecord
 2  has_one :location, as: :locatable
 3  belongs_to :user
 4  scope :active, -> do
 5    where("accessed_at > ?", 2.weeks.ago).where(revoked_at: nil)
 6  end
 7
 8  def revoke!
 9    update_attribute(:revoked_at, Time.current)
10  end
11
12  def access(request)
13    self.accessed_at = Time.current
14    self.ip = request.ip
15    self.user_agent = request.user_agent
16    self.location = Location.build_from_ip(request.ip)
17    save ? id : nil
18  end
19
20  class << self
21    def authenticate(id)
22      active.find_by(id: id)
23    end
24  end
25end