undefined method `before_create' - ruby-on-rails

Question

I have a User model and a Company model linked like this:
class User < ActiveRecord::Base
belongs_to :company
accepts_nested_attributes_for :company
end
class Company < ActiveRecord::Base
has_many :users
end
On the sign in page, I want the user to set up both his info (mail, password) and his company info (several fields). So my form looks like this:
<%= simple_form_for #user, :html => { :class => 'form-horizontal' } do |f| %>
<%= f.input :email, :required => true, :placeholder => "user#domain.com" %>
<%= f.input :password, :required => true %>
<%= f.input :password_confirmation, :required => true %>
<h2>Company info</h2>
<%= simple_fields_for :company, :html => { :class => 'form-horizontal' } do |fa| %>
<%= fa.input :name %>
<%= fa.input :url %>
<%= fa.input :description, :as => :text, :input_html => { :cols => 60, :rows => 3 } %>
<%= fa.input :logo %>
<%= fa.input :industry %>
<%= fa.input :headquarters %>
<% end %>
<div class="form-actions">
<%= f.submit nil, :class => 'btn btn-primary' %>
<%= link_to t('.cancel', :default => t("helpers.links.cancel")),
root_url, :class => 'btn' %>
</div>
<% end %>
My user model has a company_id:integer field. So logically, when I sign in the user, the first thing to do is to create the Company before the User and then give to the user creation model the appropriate company_id. So I wrote this:
class UsersController < ApplicationController
before_create :create_company
def new
#user = User.new
end
def create
#user = User.new(params[:user])
if #user.save
redirect_to root_url, :notice => "Registration successful."
else
render :action => 'new'
end
end
private
def create_company
#company = Company.new(params[:company])
if #company.save
self.company_id = #company.id
else
render :action => 'new'
end
end
end
Problem is: when accessing /users/new I get this error:
undefined method `before_create' for UsersController:Class
What's going wrong? I checked, before_create has not been deprecated, I'm in Rails 3.2.8. This is probably something stupid with my create_company method but I can't figure why...
Thanks a lot for helping!

Answer 1

before_create is a hook method belonging to ActiveRecord
before_filter is a hook method belonging to Controller.
so I suggest you to re-build your code after you make clear which is which. ^_^