Pastable version of Combine contact attributes in model

<pre class='prettyprint' language='ruby'>def phone_attributes=(phone_attributes)
    phone_attributes.each do |attributes|
      if attributes[:id].blank?
        phones.build(attributes)
      else
        phone = phones.detect { |t| t.id == attributes[:id].to_i }
        phone.attributes = attributes
      end
    end
  end
  
  def save_phones
    phones.each do |t|
      if t.should_destroy?
        t.destroy
      else
        t.save(false)
      end
    end
  end
  
  def email_attributes=(email_attributes)
    email_attributes.each do |attributes|
      if attributes[:id].blank?
        emails.build(attributes)
      else
        email = emails.detect { |e| e.id == attributes[:id].to_i }
        email.attributes = attributes
      end
    end
  end
  
  def save_emails
    emails.each do |e|
      if e.should_destroy?
        e.destroy
      else
        e.save(false)
      end
    end
  end</pre>
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Pastable version of Combine contact attributes in model