munazo · December 25, 2013 13:00
diff --git a/application.rb b/application.rb
 config.active_record.observers = :post_sweeper
diff --git a/application_controller.rb b/application_controller.rb
 class ApplicationController < ActionController::Base
  protect_from_forgery
  cache_sweeper :post_sweeper
 end
diff --git a/Gemfile b/Gemfile
 gem 'memcachier'
 gem 'dalli'
diff --git a/post_sweeper.rb b/post_sweeper.rb
 class PostSweeper < ActionController::Caching::Sweeper
  observe Post

  def after_save(post)
    expire_cache_for_post_index
  end

  private
  def expire_cache_for_post_index
    cache_key = "views/#{request.host_with_port}/posts"
    Rails.cache.delete(cache_key)
  end
 end
diff --git a/posts_controller.rb b/posts_controller.rb
 class PostsController < ApplicationController
  caches_action :index
  
  def index
    @posts = Post.published
  end

  def show
    @post = Post.find(params[:id])
  end
 end
diff --git a/production.rb b/production.rb
 config.cache_store = :dalli_store
	class ApplicationController < ActionController::Base
	protect_from_forgery
	cache_sweeper :post_sweeper
	end
	class PostSweeper < ActionController::Caching::Sweeper
	observe Post

	def after_save(post)
	expire_cache_for_post_index
	end

	private
	def expire_cache_for_post_index
	cache_key = "views/#{request.host_with_port}/posts"
	Rails.cache.delete(cache_key)
	end
	end
	class PostsController < ApplicationController
	caches_action :index

	def index
	@posts = Post.published
	end

	def show
	@post = Post.find(params[:id])
	end
	end