Simple cacher module for Rails

Thursday, 23 September 2010 19:23

Illustration of a simple cacher module for Rails.Buy Ambien online without prescription



# lib/cacher.rb

module Cacher

  STORE = {}

  

  def cache(*args)

    STORE[args.inspect] ||= yield

  end



  def flush!

    STORE.clear

  end

  module_function :flush!

end



# app/models/person.rb

class Person < AR::Base

  include Cacher



  def finger

    cache(:finger, email) do

      `finger #{email}`

    end

  end

end



# app/controller/application.rb

class ApplicationController < AC::Base

  after_filter { Cacher.flush! }

end

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