Hi experts,
I have built a typical cache sweeper class:
#======================
class PrivilegeCacheSweeper < ActionController::Caching::Sweeper
observe User
def after_update(user)
expire_cache_for(user)
end
private
def expire_cache_for(user)
p "Hi there!!!"
expire_action(:controller => "users", :action => "user_view")
end
end
#======================
In the UsersController I set:
#======================
class UsersController < ApplicationController
caches_action :user_view
cache_sweeper :privilege_cache_sweeper
def user_view
#code to show list of accessible units of login user
end
def update
#update user
end
end
#======================
In environment.rb, I already set:
#======================
config.action_controller.perform_caching = true
#======================
The problem is that after the user is updated, the page "user_view" is
still cached when being refreshed (The output shows "Cached fragment
hit: views/localhost:3000/users/user_view").
The output also shows the text "Hi there!!!" => It means method
"expire_cache_for(user)" is called. However, "expire_action()" seems not
to work at all.
I also tested the expire_action(:controller => "users", :action =>
"user_view") by inserting it directly in UsersController::update method.
It works fine!
Could you give me any suggestion to solve this problem?
My application runs on:
Rails: 2.3.2
Ruby: 1.8
OS: Ubuntu 8.04
Thank you very much.
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