Excluding certain pages from Radiant cache

All,

Is there a way to keep a specific page from being cached by Radiant?

Thanks,
Wes

On Tue, Oct 12, 2010 at 10:16 PM, Wes G. [email protected] wrote:

All,

Is there a way to keep a specific page from being cached by Radiant?

Thanks,
Wes

You could make a custom page class and turn it off.

class NoCachePage < Page
def cache
false
end
end

You could also take a look at
http://ext.radiantcms.org/extensions/123-page-options

On 10/12/10 9:45 PM, Jim G. wrote:

On 10/12/10 9:45 PM, Jim G. wrote:

class NoCachePage< Page
def cache
false
end
end

You could also take a look at
http://ext.radiantcms.org/extensions/123-page-options
The page-options extension appears to no longer be compatible with
Radiant (it was written at Radiant 0.7), per:

def cache_setting
@page = Page.find(self.id)
case true
when @page.cache_expire_minutes == 0 && @page.cache_expire_time
== nil: “Default”
when @page.cache_expire_minutes == -1: “No Caching”
when @page.cache_expire_minutes == 1: “1 minute”
when @page.cache_expire_minutes > 1:
“#{@page.cache_expire_minutes} minutes”
when @page.cache_expire_time != nil &&
@page.cache_expire_time.is_a?(Time)
“Daily at
#{@page.cache_expire_time.strftime(”%H")}:#{@page.cache_expire_time.strftime("%M")}"
else “Not set”
end
end

“cache_expire_minutes” and “cache_expire_time” are no longer page
attributes, and as far as I can tell, all of the caching is not being
managed through HTTP response headers, is that correct?

Wes

On Wed, Oct 13, 2010 at 1:15 PM, Wes G. [email protected] wrote:

You could make a custom page class and turn it off.
The page-options extension appears to no longer be compatible with Radiant
minutes"
managed through HTTP response headers, is that correct?

Wes

Caching is handled via HTTP headers and RackCache, but the
page_options extension adds fields to each page to control this.
I’ve not used it, so perhaps others can jump in here.

Jim G. wrote in post #949713:

On Tue, Oct 12, 2010 at 10:16 PM, Wes G. [email protected] wrote:

All,

Is there a way to keep a specific page from being cached by Radiant?

Thanks,
Wes

You could make a custom page class and turn it off.

class NoCachePage < Page
def cache
false
end
end

If I made a custom page class to handle this, how would I assign
particular pages to it?

Wes

I ended up defining a non-cacheable page like so:

class NonCacheablePage < Page
def cache?
false
end
end

and it works well.

Many thanks,
Wes

Interesting - I tried this:

Page

class Page < ActiveRecord::Base
DENY_CACHING_PATHS = [’/’]

def cache?
! DENY_CACHING_PATHS.include?(slug)
end
end

as an initializer but the expires header for ‘/’ still came out at ~5
min.

Will need to dig deeper.

W

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