gistfile1.txt

    def current_path
        current_url = request.original_url
        end_of_string = current_url.length
        regex_index = (Rails.env.production?) ? /.\.com\// : /:\d\d\d\d\// 
        regex_after_index = (regex_index =~ current_url) + 5 # production 7
        path= end_of_string - regex_after_index
        if path == 0
            "/"
        else
            current_url[-path..-1]
        end
    end

gistfile2.txt

current_path = request.fullpath