Ruby Question
Conditional Page Caching [Solution: Conditional Fragment Caching]
Suppose that I have controller
home_controller.rbindexI want to cache index page so I'm doing:
caches_page :index
but want it to cache only for users that are not signed in. If I'll make conditional like:
caches_page :index, :if => :user_not_signed_in?
Page will be cached while first not logged in user comes. Now every logged in user also see not-logged in content. Is there a way to separate this action without changing url?
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Answer Source
What you want couldn't be achieved;
A page is cached or is not cached. The process checks the existence of a html file or process it.
Still you have two alternatives:
use action caching or fragment caching (not recommended)
more recommended: load user specific part with ajax so you'll only have one page always cached and specific data inserted dynamically (like stackoverflow)
Here are state of the art explanations: http://railslab.newrelic.com/scaling-rails
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