boss.listings_controller.rb

class Boss::ListingsController < Boss::BaseController

  def destroy
    @listings = Listing.where(:listing_name => CGI::unescape(params[:listing_name]))
    logger.debug "this is my object #{@listings.inspect}"
    @listings.destroy
    redirect_to boss_listings_path, :notice => "Successfully destroyed this group of listings."
  end
end

index.html.haml

- title 'Manage Products'
%ul
  - if @listings.blank?
    %p
      There are no products yet!
      = link_to "Upload Some!", new_listing_path
  - else
    - @listings.each do |listing|
      %li
        = listing
        %span= link_to "Delete This Batch", boss_listing_path(:listing_name => CGI::escape(listing)),:method => :delete, :confirm => "Are you SURE you want to delete all listings with this identifier? This cannot be undone."

production.log

Started GET "/boss/listings" for 72.64.157.228 at 2011-11-22 16:33:25 +0000
  Processing by Boss::ListingsController#index as HTML
Rendered boss/listings/index.html.haml within layouts/boss (2.8ms)
Completed 500 Internal Server Error in 535ms

ActionView::Template::Error (No route matches {:controller=>"boss/listings", :action=>"destroy", :listing_name=>"Dresser+USA..csv+-+11-21-11"}):
    8:     - @listings.each do |listing|
    9:       %li
    10:         = listing
    11:         %span= link_to "Delete This Batch", boss_listing_path(:listing_name => CGI::escape(listing)),:method => :delete, :confirm => "Are you SURE you want to delete all listings with this identifier? This cannot be undone."
  app/views/boss/listings/index.html.haml:11:in `block in _app_views_boss_listings_index_html_haml___2206370417852274031_57358340__526910600560357976'
  app/views/boss/listings/index.html.haml:8:in `each'
  app/views/boss/listings/index.html.haml:8:in `_app_views_boss_listings_index_html_haml___2206370417852274031_57358340__526910600560357976'

routes.rb

Mdm::Application.routes.draw do

  namespace :boss do
    get 'account' => 'base#account'
    resources :users
    resources :organizations, :only => [:edit, :update, :destroy, :show]
    get 'listings' => 'listings#index'
    get 'reports' => 'listings#report'
    delete 'listing/:listing_name' => 'listings#destroy', :as => 'listing'
  end
end