Rails cache wrapper

gistfile1.rb

module MyApp
  # See ActiveSupport::Cache::Store for documentation.
  module Cache
    class << self
      def fetch(key, options = {}, &block)
        if block_given?
          if ActionController::Base.perform_caching && options && options[:expires_in].to_i > 0
            Rails.cache.fetch(key, options, &block)
          else
            yield
          end
        else
          Rails.cache.read(key)
        end
      end

      alias_method :read, :fetch
    end
  end
end