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rails5-depot/app/controllers/concerns/current_cart.rb

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  1. module CurrentCard

  2. 

  3.   private

  4.     def set_cart

  5.       @cart = Cart.find(session[:cart_id])

  6.     rescue ActiveRecord::RecordNotFound

  7.       @cart = Cart.create

  8.       session[:cart_id] = @cart.id

  9. end