[Rails] Re: accepts_nested_attributes_for how, example

Thanks Colin on reply. I tried with following code, which work good so just wanted to ask is this correct solution, for some reason i think this code "smell".

// routes.rb
resources :entries, :only =>[:new, :create]

// user.rb
class User < ActiveRecord::Base
    has_many :entries
end

// category.rb
class Category < ActiveRecord::Base
    has_many :entries
end

// entry.rb
class Entry < ActiveRecord::Base
    belongs_to :user
    belongs_to :category
    has_one :storage

    accepts_nested_attributes_for :storage
end

// storage.rb
class Storage < ActiveRecord::Base
    belongs_to :entry   
    has_one :vote
end

// vote.rb
class Vote < ActiveRecord::Base
    belongs_to :storage
end

// entries_controller.rb
class EntriesController < ApplicationController
  def new
    @entry = Entry.new(:user_id => current_user.id)  #Pass this to new.html.erb to use it like hidden field
    @entry.build_storage
  end

  def create
    new_entry = Entry.new(params[:entry].permit(:user_id, :category_id, :storage_attributes => [:title, :content]))
    new_entry.storage.build_vote # Create new row in votes table
    new_entry.save

    redirect_to root_url
  end
end

// views/entries/new.html.erb
<%= form_for @entry do | f | %>
    <%= f.select :category_id, options_for_select([["slike", "1"], ["statusi", "2"]]) %>
    <%= f.hidden_field :user_id, :value => @entry.user_id %> #Now pass this to create action
   
    <%= f.fields_for :storage do |storage| %>
        <p>
            <%= storage.label :title %><br>
            <%= storage.text_field :title %>
        </p>
        <p>
            <%= storage.label :content %><br>
            <%= storage.text_area :content %>
        </p>
    <% end %>
   
    <%= f.submit "Submit" %>
<% end %>

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