gistfile1.txt

  def sort_order
    # Google was indexing "random" search orders, it parsed our javascript, badly.
    SORT_METHODS[params[:sort_order]] or raise_redirect_to(@product, :status => 301)
  end

  def segment
    segment = params[:segment]
    segment = segment.to_sym if %w[all other].include?(segment)
    segment = nil if segment == :all
    # Bad or expired segments need 301ing
    raise_redirect_to(@product, :status => 301) if segment === String and !@product.segments.include?(segment)
    segment
  end

  def show
    @product.reviews.for_segment(segment).order_by(sort_order)
  end

  def show_extended_detail
    @product.reviews.for_segment(segment).order_by(sort_order)
    …
  end