teeparham · May 27, 2011 04:56 · squidarth · Jun 28, 2012
diff --git a/active_record_caching.rb b/active_record_caching.rb
 # for some reason active record doesn't include a simple way to serialize to
 # cache.  this simple trick will take you far
 #
 # usage: 
 # 
 #   user = User.find(id)
 #
 #   key = user.to_cache
 #
 #   user = User.from_cache(key)
 #
 # note: AR provides a cache_key method
 #       http://apidock.com/rails/ActiveRecord/Base/cache_key

 class ActiveRecord::Base
  def self.from_cache(key)
    attributes = Rails.cache.read(key)      
    instantiate(attributes) if attributes
  end

  def to_cache    
    cache_key if Rails.cache.write(cache_key, attributes)
  end
 end
	# for some reason active record doesn't include a simple way to serialize to
	# cache. this simple trick will take you far
	#
	# usage:
	#
	# user = User.find(id)
	#
	# key = user.to_cache
	#
	# user = User.from_cache(key)
	#
	# note: AR provides a cache_key method
	# http://apidock.com/rails/ActiveRecord/Base/cache_key

	class ActiveRecord::Base
	def self.from_cache(key)
	attributes = Rails.cache.read(key)
	instantiate(attributes) if attributes
	end

	def to_cache
	cache_key if Rails.cache.write(cache_key, attributes)
	end
	end