Link back to page visited before form

Question

I have a listing page, then a form, then a thank you page. I need to put a link on the thank you page that takes the user back to the page they were on before the form which

Answer 1

This works for me:

In controller from previous view:

cookies[:original_referrer] = request.orignal_url

to set a cookie on the browser with the URL of the originating page

In the controller from the current view:

redirect_to cookies[:original_referrer]