def cart(request):
try:
cart_id = request.session['cart_id']
cart = Cart.objects.get(id=cart_id)
request.session['total'] = cart.items.count()
except DoesNotExist:
cart = Cart()
cart.save()
cart_id = cart.id
request.session['cart_id'] = cart_id
cart = Cart.objects.get(id=cart_id)
template = 'cart.html'
if request.method == 'POST':
new_order = Order()
new_order.user = request.user
new_order.total = cart.cart_total
new_order.save()
for item in cart.items.all():
cart.items.remove(item)
cart.save()
return render(request, template)
new_cart_total = 0
for item in cart.items.all():
new_cart_total += item.item_total
cart.cart_total = new_cart_total
cart.save()
context = {
'cart': cart
}
return render(request, template, context)
def remove_from_cart_view(request):
try:
cart_id = request.session[
'cart_id'] # Получение значения сессии при помощи ключа(то есть, '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 # Передача значения в сессию
cart = Cart.objects.get(id=cart_id)
product_slug = request.GET.get('product_slug')
product = Product.objects.get(slug=product_slug)
cart.remove_from_cart(product.slug)
new_cart_total = 0.00
for item in cart.items.all():
new_cart_total += float(item.item_total)
cart.cart_total = new_cart_total
cart.save()
return JsonResponse({
'cart_total': cart.items.count(),
'cart_total_price': cart.cart_total
})