ShadowModel

A rails plugin use redis to cache models data.

Installation

Add this line to your application's Gemfile:

gem 'shadow_model'

And then execute:

$ bundle

Usage

Add this to your model class, then the models will be cached with the assigned attributes and methods after the model saved or updated.

shadow_model attribute_or_method1, attribute_or_method2, ..., options

And use this to retrieve the model from redis.

YourModelClass.find_by_shadow(primary_key)

options

expiration	Set the timeout of each cache.
update_expiration	Reset cache expiration after model updated.
expireat	Set the absolute timeout timestamp of each cache.

Example

# == Schema Information
#
# Table name: players
#
#  id                   :integer          not null, primary key
#  name                 :string(255)
#  stamina              :integer
#  created_at           :datetime         not null
#  updated_at           :datetime         not null

class Player < ActiveRecord::Base
  shadow_model :name, :stamina, :cacheable_method, expiration: 30.minutes

  def cacheable_method
    "result to cache"
  end
end