Tableless model with validation

gistfile1.rb

# http://rails-bestpractices.com/posts/48-use-openstruct-when-advance-search
class Tableless
  include ActiveModel::Validations
  include ActiveModel::Conversion
  extend ActiveModel::Naming

  def initialize(props = {})
    props.each do |name, value|
      send("#{name}=", value)
    end
  end

  def persisted?
    false
  end
end

class Search < Tableless
  validates :quick, :presence => true
end

def index 
  @search = Search.new(params[:search]) 
end