gistfile1.txt

Controller:

  def update
		@pet = current_user.pets.find(params[:id])
  end

View:

<%= simple_form_for(@pet, :html => {:class => 'form-horizontal'}) do |f| %>
  <%= f.input :name %>
	<%= f.association :pet_type, :as => :radio_buttons, :item_wrapper_class => 'inline' %>
	<%= f.input :birth_date, :start_year => 1900, :end_year => Time.now.year %>
	<%= f.button :submit %>
<% end %>

Model:

class Pet < ActiveRecord::Base
  extend FriendlyId
	friendly_id :name, use: :slugged
	
  attr_accessible :name, :user_id, :birth_date, :slug, :pet_type_id
	
  belongs_to :user
  belongs_to :pet_type

  belongs_to :breed_type_1, :class_name => 'Breed'
  belongs_to :breed_type_2, :class_name => 'Breed'

  has_many :albums
	accepts_nested_attributes_for :albums
end