grails url mapping for google ajax search

Question

This is probably a very simple problem but for the life of me I can't get it to work.

I need to redirect google requests for ajax generated code to return a html template for indexing

I have the following in my urlmappings.conf

"/?_escaped_fragment_=$id"(controller:"google",action:"getOfferDetails")

However if I enter mysite?_escaped_fragment_=200 in the browser the controller is not called

If however I enter mysite_escaped_fragment=200 the controller is called and the action executed.

Any suggestions would be greatly appreciated.

Thanks Ash

Answer 1

You can not use '?' char in the route matching i.e. it will be ignored. Use this filter instead (put this class in the config folder w/ fileName CrawlerFilters.groovy):

class CrawlerFilters {
 def filters = {
    google(controller: '*', action: '*') {
        before = {
            boolean isCrawler = webRequest.params._escaped_fragment_ != null
            if (isCrawler && !request._alreadyForwarded) {
                request._alreadyForwarded = true
                forward controller: 'google', action: 'getOfferDetails'

            }
        }
    }
 }`