hi,

I want to use dirty object with nested attributes  here is my example.

i have form having user and addresses field when i am editing  user and
after updating user inside user model i am checking for any field from
user get dirty using @self.changed? method it giving me proper output in
this i am doing @self.address.changed?( I Have polymorphic  association
in user and addresses) but it is giving me nil/false if address is
changed but if  i am putting  @self.changed? in address model it is
giving me proper output.

Please anybody explain me how to use dirty object concept with model
association or with nested attributes?

class User < ActiveRecord::Base

  has_many    :addresses, :as =>:addressee, :dependent => :destroy
  accepts_nested_attributes_for :addresses, :allow_destroy => true
   after_update :send_account_updated_email

    def send_account_updated_email
      self.changed  //giving correct changed field name

      self.addresses.changed          //not working
      self.addresses.first.changed  // not working
   end

end

class Address < ActiveRecord::Base

  belongs_to :addressee, :polymorphic => true

end
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