Method: AbstractController::Caching::Fragments#combined_fragment_cache_key

Defined in:
lib/abstract_controller/caching/fragments.rb

#combined_fragment_cache_key(key) ⇒ Object

Given a key (as described in expire_fragment), returns a key array suitable for use in reading, writing, or expiring a cached fragment. All keys begin with :views, followed by ‘ENV` or `ENV` if set, followed by any controller-wide key prefix values, ending with the specified key value.



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# File 'lib/abstract_controller/caching/fragments.rb', line 68

def combined_fragment_cache_key(key)
  head = self.class.fragment_cache_keys.map { |k| instance_exec(&k) }
  tail = key.is_a?(Hash) ? url_for(key).split("://").last : key

  cache_key = [:views, ENV["RAILS_CACHE_ID"] || ENV["RAILS_APP_VERSION"], head, tail]
  cache_key.flatten!(1)
  cache_key.compact!
  cache_key
end