audit all

app/models/a.rb

@@ -11,7 +11,7 @@
 # Obtained from http://www.zytrax.com/books/dns/ch8/a.html
 #
 class A < Record
-  has_paper_trail ignore: [:content, :updated_at]
+  has_paper_trail
   
   validates :name, :hostname => {:allow_underscore => true, :allow_wildcard_hostname => true}
   validates :content, :presence => true, :ip => {:ip_type => :v4} # Only accept valid IPv4 addresses

app/models/user.rb

@@ -2,11 +2,7 @@ class User < ActiveRecord::Base
   include SentientModel
   model_stamper
   stampable
-  has_paper_trail ignore: [
-    :updated_at, :sign_in_count,
-    :last_sign_in_at, :current_sign_in_at,
-    :last_sign_in_ip, :current_sign_in_ip
-  ]
+  has_paper_trail
   
   # Include default devise modules. Others available are:
   # :token_authenticatable, :encryptable, :timeoutable and :omniauthable
@@ -56,6 +52,13 @@ class User < ActiveRecord::Base
     "#{id} #{email} name:#{full_name} ip:#{current_sign_in_ip} last_ip:#{last_sign_in_ip}"
   end
   
+  # @override
+  def update_tracked_fields!(*)
+    self.paper_trail_event = "sign_in"
+    PaperTrail.whodunnit = to_paper_trail
+    super
+  end
+  
   delegate :can?, :cannot?, :to => :ability
   
   def ability(options = {:reload => false})