añadir track_activity para mostrar futuras notificaciones a los usuarios

app/models/activity.rb

@@ -1,5 +1,4 @@
 class Activity < ActiveRecord::Base
-
   belongs_to :actionable,  -> { with_hidden }, polymorphic: true
   belongs_to :user, -> { with_hidden }
 
@@ -24,5 +23,4 @@ class Activity < ActiveRecord::Base
   def self.by(user)
     where(user: user)
   end
-
 end

app/models/user.rb

@@ -199,7 +199,7 @@ class User < ActiveRecord::Base
   def email_required?
     !erased?
   end
-  
+
   def has_official_email?
     domain = Setting.value_for 'email_domain_for_officials'
     !email.blank? && ( (email.end_with? "@#{domain}") || (email.end_with? ".#{domain}") )