In my app I am serving certain controller actions every x many
minutes. For example, most popular posts are generated in memcached
every 30 minutes and served from there.
I would like to use etags/last_modified so that I am not even
rendering the same "most_popular" view for the same client within
that 30 minute period. However I am not sure how to generate an etag
or a last_modified would suit this situation.
the flow would be something like.
#Posts controller
def index
case ''listing_type''
when ''all_posts''
if stale?(:last_modified => "timestamp that
doesn''t
change for 30 minutes")
@posts = get_posts_from_memcached
end
end
Short of saving this timestamp to the db..how else can I create a
last_modified that time that works for this?
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