def count_item_qty(request): '''Sum total and price on cart''' try: cart_id = request.session['cart_id'] cart = Cart.objects.get(id=cart_id) request.session['total'] = cart.items.count() except: cart = Cart() cart.save() cart_id = cart.id request.session['cart_id'] = cart_id cart = Cart.objects.get(id=cart_id) qty = request.GET.get('qty') item_id = request.GET.get('item_id') cart_item = CartItem.objects.get(id=int(item_id)) cart.count_qty(qty, item_id) return JsonResponse({ 'cart_total': cart.items.count(), 'item_total_final': cart_item.item_total, 'cart_total_final': cart.cart_total, })