index.html.haml

%ul
  = @listings.inspect
  - @listings.each do |l|
    %li
      = l
      %span= link_to "Delete This Batch", boss_listing_path(l), :method => :delete, :confirm => "Are you SURE you want to delete all listings with this identifier? This cannot be undone."

listings_controller.rb

class Boss::ListingsController < Boss::BaseController

  def index
    @listings = current_user.organization.try(:listings).try(:distinct, :listing_name)
  end

  def destroy
    @listings = Listing.where(:listing_name => params[:listing_name])
    @listings.destroy
    redirect_to organizations_url, :notice => "Successfully destroyed this group of listings."
  end

end

pageerror

ActionController::RoutingError in Boss/listings#index

Showing /Users/derek/glide_projects/mdm/app/views/boss/listings/index.html.haml where line #6 raised:

No route matches {:controller=>"boss/listings", :action=>"destroy", :listing_name=>""}

Extracted source (around line #6):

3:   - @listings.each do |listing|
4:     %li
5:       = listing
6:       %span= link_to "Delete This Batch", boss_listing_path(:listing_name => "#{listing}"),:method => :delete, :confirm => "Are you SURE you want to delete all listings with this identifier? This cannot be undone."

rake routes

           boss_listings GET    /boss/listings(.:format)                                     {:action=>"index", :controller=>"boss/listings"}
           boss_listing DELETE /boss/listing/:listing_name(.:format)                        {:controller=>"boss/listings", :action=>"destroy"}

routes.rb

  namespace :boss do
    root :to => "base#index"
    get 'account' => 'base#account'
    resources :users
    get 'listings' => 'listings#index'
    delete 'listing/:listing_name' => 'listings#destroy', :as => 'listing'
  end