def product_page(request, pk): product = get_object_or_404(Product, pk=pk) user = request.user order = Order() context = { 'product': product, } if request.method == 'POST': order.product = product order.user = user order.total_cost = product.cost order.delivery_date = datetime.datetime.now() + datetime.timedelta( days=5) order.save() return render(request, 'product.html', context)