Dynamic page caching directory based on subdomain name

rubyonrails-talk
1

I am looking for the best way to set the cache directory based on the subdomain.

Example : if the subdomain host is fr.mydomain.com, i want to cache the file in ROOT/cache/fr and if it is en.mydomain.com, i want to cache the file in ROOT/cache/en

The problem is that the cache directory is set in the config part of rails and i dont know how to change it in realtime.

Any good advice ?

ps: In my nginx config, of course, i would rewrite the uri based on this subdomain. This part is already working.

2

Here's something I just posted on my blog yesterday about storing a cached file. This applies to both action and page caching.

I assume you could specify the path at runtime based off the subdomain you're using.

Also, take a look at the documentation in action_controller/caching/pages.rb file: http://github.com/rails/rails/tree/master/actionpack/lib/action_controller/caching/pages.rb.

-- Josh

Jm Goem wrote:

3

Thank you for this info. I guess you meant this post http://thereverend.tumblr.com/post/36941827/rails-2-1-action-caching

Great blog by the way :slight_smile:

I read the comments in the code of ror and understand better how it works. Actually it is quite simple and i will probably rewrite the right method.

4

OK so i rewrite cache_page with something like :

class ApplicationController < ActionController::Base   ...   class << self     def cache_page content, path       super content, @lang + path     end   end end

where @lang is set in a before_filter of my controller. But it does not work ! @lang is nil so i get an error like "The error occurred while evaluating nil.+):"

I am missing something? How do i access @lang ?

Thank you in advance