[Radiant] How create own TAG with dynamic content

[Michael Nikitochkin]

Hello. I want create tag wich exec some method of controller and use its
variables like views in rails. With templates and


example:

controllers/store_controller.rb:
class StoreController < sitecontroller
 def find_cart
   session[:cart] ||= Cart.new
 end

 def add_to_cart
   @cart = find_cart
   @cart.add_product Product.find( params[:id] )
 end

 def initialize
   @cart = find_cart
 end
end


modules/cart_tags.rb:

tag 'cart:show' do |tag|
  t = StoreController.new
  @cart = t.cart
  ret = ""
  for cart_item in @cart
   ret += cart.product+"<br>"
  end
  ret
end
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