def cart_detail(request):
cart = Cart(request)
for item in cart:
# 初始表单状态为update真，quantity为获取值
item['update_quantity_form'] = CartAddProductForm(
initial={'quantity': item['quantity'],
'update': True})
coupon_apply_form = CouponApplyForm()
r = Recommender()
cart_products = [item['product'] for item in cart]
r.product_bought(cart_products)
recommended_products = r.suggest_products_for(cart_products,
max_result=4)
return render(request, 'cart/detail.html',
{'cart': cart,
'coupon_apply_form': coupon_apply_form,
'recommended_products': recommended_products})
