def method_missing(m, *args, &block)
      if m.to_s.end_with?("_url") || m.to_s.end_with?("_path")
        "/"
      else
        super
      end
    end
def method_missing(m, *args, &block)
      if m.to_s.end_with?("_url") || m.to_s.end_with?("_path")
        "/"
      else
        super
      end
    end
def listing_full_path(*options)
   "/"
 end
 def listing_full_url(*options)
   "/"
 end
 def listing_content_url(*options)
   "/"
 end
 def listing_export_url(*options)
   "/"
 end