## my model: client.rb

class Client < ActiveRecord::Base
  validates_presence_of :name
  has_many :projects
  has_many :work_orders
  has_one :user

  accepts_nested_attributes_for :work_orders, :allow_destroy => true
  accepts_nested_attributes_for :user
end

## from my controller: pages_controller.rb

  def order
    @client = Client.new # _with_user_and_work_orders
    @client.work_orders.build
    # @client.user.build #kills my view every time! ("NoMethodError in PagesController#order")
  end


## my view: order.haml

=error_messages_for :client
-form_for @client do |order_form|
  #client
  %h2 Your Name or Company Name:
  =order_form.text_field :name, :class => "form", :size => "30"
  %hr

  #user_creation
    -order_form.fields_for @user do |user_form| #If I use ":user" my view dies, claiming "The error occurred while evaluating nil.new_record?"
      =user_form.text_field :username
      =user_form.text_field :firstname
      =user_form.text_field :lastname
      =user_form.password_field :password
      =user_form.password_field :password_confirmation

  #work_orders
    -order_form.fields_for :work_orders do |wo_form|
      %h2 Project Variety:
      =wo_form.select("variety", [["Article", 'article'], ["Blog Post/Entry", 'blog'], ["Press Release", 'press release' ], ["Other Website Content", 'other']], :class => "form")
      %h2 Project Title/Description:
      =wo_form.text_field :name, :class => "form", :size => "30"
      =wo_form.text_area :client_description, :class => "form", :size => "51x4"
    %hr.thin

  =order_form.submit "Submit"