admin.resources :products,
      :collection => {
        :sort_by_position => :get,
        :sort_by_vendor   => :get,
        :price_list_csv   => :get,
        :amazon_csv       => :get,
        :print_catalog    => :get,
        :search           => :get,
        :reorder          => :post
      } do |products|
        products.resources :attributes do |attributes|
          attributes.resources :attribute_values
        end
      products.resources :variants
      products.resources :images, :controller => 'product_images', :collection => { :order => :post }
    end
    admin.products_by_vendor_list       'products/by_vendor',       :controller => 'products',    :action => 'vendor_list'
    admin.products_by_vendor            'products/by_vendor/:id',   :controller => 'products',    :action => 'vendor_products'