def CartAdd(request, product_id):
cart = Cart(request)
product = get_object_or_404(Product, id=product_id)
form = CartAddProductForm(request.POST)
if form.is_valid():
cd = form.cleaned_data
cart.add(product=product, quantity=cd['quantity'],
update_quantity=cd['update'])
return redirect('cart:CartDetail')
def CartRemove(request, product_id):
cart = Cart(request)
product = get_object_or_404(Product, id=product_id)
cart.remove(product)
return redirect('cart:CartDetail')
def CartDetail(request):
cart = Cart(request)
for item in cart:
item['update_quantity_form'] = CartAddProductForm(
initial={
'quantity': item['quantity'],
'update': True
})
return render(request,'detail_cart.html', {'cart': cart})from django import forms
PRODUCT_QUANTITY_CHOICES = [(i, str(i)) for i in range(1, 21)]
class CartAddProductForm(forms.Form):
quantity = forms.TypedChoiceField(choices=PRODUCT_QUANTITY_CHOICES, coerce=int)
update = forms.BooleanField(required=False, initial=False, widget=forms.HiddenInput)