Module: Cachethod::ClassMethods

Defined in:
lib/cachethod.rb

Instance Method Summary collapse

Instance Method Details

#cache_method(names, *args) ⇒ Object Also known as: cache_methods, cachethod, cachethods 



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# File 'lib/cachethod.rb', line 7

def cache_method names, *args
  @methods_to_cache ||= {}

  [*names].each do |name|
    if instance_methods.include?(name.to_sym)
      cache_method_create(name, *args)
    else
      @methods_to_cache[name.to_sym] = args
    end
  end
end

#cache_method_create(name, *args) ⇒ Object 



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# File 'lib/cachethod.rb', line 30

def cache_method_create name, *args
  define_method "#{name}_cached" do
    cache_key = "cachethod.#{self.class.to_s.underscore}."
    cache_key += "#{hash}.#{name}."
    cache_key += args.hash.to_s

    Rails.cache.fetch(cache_key, *args) do
      send("#{name}!")
    end
  end

  alias_method "#{name}!", name
  alias_method name, "#{name}_cached"
end

#method_added(name) ⇒ Object 



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# File 'lib/cachethod.rb', line 23

def method_added name
  super
  return if @methods_to_cache.nil? || @methods_to_cache[name].nil?
  args = @methods_to_cache.delete(name)
  cache_method_create(name, *args)
end