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path: root/actionpack/lib/action_controller/new_base/renderer.rb
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module ActionController
  module Renderer
    extend ActiveSupport::DependencyModule

    depends_on AbstractController::Renderer
    
    def process_action(*)
      self.formats = request.formats.map {|x| x.to_sym}
      super
    end
    
    def response_body=(body)
      response.body = body if response
      super
    end

    def render(options)
      super
      options[:_template] ||= _action_view._partial
      response.content_type ||= begin
        mime = options[:_template].mime_type
        formats.include?(mime && mime.to_sym) || formats.include?(:all) ? mime : Mime::Type.lookup_by_extension(formats.first)
      end
      response_body
    end

    def render_to_body(options)
      _process_options(options)
      
      if options.key?(:partial)
        _render_partial(options[:partial], options)
      end

      super
    end

  private

    def _prefix
      controller_path
    end

    def _determine_template(options)
      if options.key?(:text)
        options[:_template] = ActionView::TextTemplate.new(options[:text], formats.first)
      elsif options.key?(:inline)
        handler = ActionView::Template.handler_class_for_extension(options[:type] || "erb")
        template = ActionView::Template.new(options[:inline], "inline #{options[:inline].inspect}", handler, {})
        options[:_template] = template
      elsif options.key?(:template)
        options[:_template_name] = options[:template]
      elsif options.key?(:file)
        options[:_template_name] = options[:file]
      elsif !options.key?(:partial)
        options[:_template_name] = (options[:action] || action_name).to_s
        options[:_prefix] = _prefix 
      end
      
      super
    end

    def _render_partial(partial, options)
      case partial
      when true
        options[:_prefix] = _prefix
      when String
        options[:_prefix] = _prefix unless partial.index('/')
        options[:_template_name] = partial
      else
        options[:_partial_object] = true
        return
      end
      
      options[:_partial] = options[:object] || true
    end
  
    def _process_options(options)
      status, content_type, location = options.values_at(:status, :content_type, :location)
      response.status = status if status
      response.content_type = content_type if content_type
      response.headers["Location"] = url_for(location) if location
    end
  end
end