Track information about your user sign in. It tracks the following columns:
sign_in_count - Increased every time a sign in is made (by form, openid, oauth)
current_sign_in_at - A timestamp updated when the user signs in
last_sign_in_at - Holds the timestamp of the previous sign in
current_sign_in_ip - The remote ip updated when the user sign in
last_sign_in_ip - Holds the remote ip of the previous sign in
# File lib/devise/models/trackable.rb, line 18 def update_tracked_fields!(request) old_current, new_current = self.current_sign_in_at, Time.now.utc self.last_sign_in_at = old_current || new_current self.current_sign_in_at = new_current old_current, new_current = self.current_sign_in_ip, request.ip self.last_sign_in_ip = old_current || new_current self.current_sign_in_ip = new_current self.sign_in_count ||= 0 self.sign_in_count += 1 save(:validate => false) or raise "Devise trackable could not save #{inspect}." "Please make sure a model using trackable can be saved at sign in." end
# File lib/devise/models/trackable.rb, line 14 def self.required_fields(klass) [:current_sign_in_at, :current_sign_in_ip, :last_sign_in_at, :last_sign_in_ip, :sign_in_count] end