gist_1

# app/decorators/feed.rb
module Feed
  def responsive_image_size
    :medium
  end
  def span_class
    'span4'
  end
end

# app/controllers/outfit_controller.rb
  def index
    # ... #
    respond_to do |format|
      format.json do
        self.formats = [:json, :html]
        render :json => { :html => render_to_string( @outfits.each { |o| o.extend Feed } ), :message => :ok }
      end
      format.html
    end
  end
  # ... #

# app/views/outfits/show.html.haml
  # ... #
  = render @outfit.extend( Important ).extend( WithOutfitMap )
  = render @outfit.#...#.each { |o| o.extend( Small ).extend( MoreLink ) }
  = render @outfit.#...#.each { |o| o.extend( Feed ) }
  # ... #

# app/views/outfits/_outfit.html.haml
.outfit{ :class => span_for( outfit ) }
  - map = outfit_map( outfit )
  - responsive_image(outfit.image, outfit.responsive_image_size, "#{outfit.title} (#{outfit.id})" , &map)
  = render 'partials/like_box', :object => outfit
  # ... #

# app/views/partials/_like_box.html.haml
  .like_box
    %a.btn.block{ :href => favourites_path(:type => object.as_param, :id => object.id),
      :class => object.is_liked_by?(current_user) ? 'btn-primary disabled' : 'btn-default',
      :rel => :nofollow  }
  # ... #

# app/helpers/outfit_helper.rb
  def outfit_map( outfit )
    if outfit.outfit_map?
      # if outfit.
      lambda do
        # ... #
      end
    end
  rescue NoMethodError => e
    raise e unless e.name == :outfit_map?
    lambda {  }
  end