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My initialize cart

/ Published in: Rails
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  1. # Initialize shopping cart.
  2.   def initialize_cart
  3.     # #1
  4.     # --
  5.     # if session[:cart_id]
  6.     #  @cart = Cart.find(session[:cart_id])
  7.     # else
  8.     #  @cart = Cart.create
  9.     #  session[:cart_id] = @cart.id
  10.     # end
  11.  
  12.     # #2
  13.     # --
  14.     # if session[:cart]
  15.     #  @cart = session[:cart]
  16.     # else
  17.     #  @cart = Cart.create
  18.     #  session[:cart] = @cart
  19.     # end
  20.  
  21.     # #3
  22.     @cart = session[:cart] ||= Cart.create
  23.   end

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