Prismic Memcache cache

# encoding: utf-8

module Prismic
  
  class Memcache

    def initialize(max_size=100)
    end

    def set(key, value, expired_in = nil)
      Rails.cache.write(key, value, :expires_in => expired_in = expired_in && Time.now.getutc.to_i + expired_in)
      value
    end

    def []=(key, value)
      set(key, value, nil)
    end

    def get(key)
      Rails.cache.read(key)
    end
    alias :[] :get

    def get_or_set(key, value = nil, expired_in = nil)
      Rails.cache.fetch(key, :expires_in => expired_in = expired_in && Time.now.getutc.to_i + expired_in) { block_given? ? yield : value }
    end

    def delete(key)
      Rails.cache.delete(key)
      nil
    end

  end

end