Module: PackRat::CacheHelper::Cacher

Defined in:
lib/pack_rat/cache_helper/cacher.rb

Instance Method Summary collapse

Instance Method Details

#cache(key = '', options = {}, &block) ⇒ Object 



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# File 'lib/pack_rat/cache_helper/cacher.rb', line 4

def cache(key='', options={}, &block)
  unless options[:overwrite_key] # if overwrite_key was set, we skip creating our own key
    calling_method = caller[0][/`([^']*)'/, 1] # Hack to get the method that called cache
    key << calling_method << '/'
    key << self.cache_key << '/'
    
    # Since this same method is used in both class and instance contexts, we need to check that here
    if self.is_a? Class
      key << self.file_digest
    else
      key << self.class.file_digest
    end
  end
  
  puts key if options[:debug] # Output the generated cache key to the console if debug is set
  filtered_options = options.except(:debug, :overwrite_key) # Remove PackRat related options so we can pass to Rails.cache
  
  # Make the actual Rails.cache call
  Rails.cache.fetch key, filtered_options do
    block.call
  end

end