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method

filter

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filter(controller) public

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# File actionpack/lib/action_controller/caching/actions.rb, line 118
        def filter(controller)
          path_options = if @cache_path.respond_to?(:call)
            controller.instance_exec(controller, &@cache_path)
          else
            @cache_path
          end

          cache_path = ActionCachePath.new(controller, path_options || {})

          body = controller.read_fragment(cache_path.path, @store_options)

          unless body
            controller.action_has_layout = false unless @cache_layout
            yield
            controller.action_has_layout = true
            body = controller._save_fragment(cache_path.path, @store_options)
          end

          body = controller.render_to_string(:text => body, :layout => true) unless @cache_layout

          controller.response_body = body
          controller.content_type = Mime[cache_path.extension || :html]
        end
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