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Nov 30th, 2015
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  1. 1. question
  2.  
  3. def find_cart
  4. cart = Cart.find_by(id: session[:cart_id])
  5.  
  6. unless cart.present?
  7. cart = Cart.create
  8. end
  9.  
  10. session[:cart_id] = cart.id
  11. cart
  12. end
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