def post(self, request, format=None):
region_settings = request.region.setting
try:
cart = (Cart.objects.filter(
user=self.request.user).order_by("-created_at").select_related(
"user", "delivery_address").prefetch_related(
"items__product",
"items__product__container_type",
"items__delivery_option",
"items__product__seller",
"items__product__region",
"items__product__regions",
"items__product__category",
"items__product__category__icon",
"user__region__settings",
"items__product__delivery_options",
).first())
except Cart.DoesNotExist:
return Response(status=status.HTTP_404_NOT_FOUND)
validate_earliest_delivery_date(cart.earliest_delivery_date)
if (not cart.delivery_address and cart.items.exclude(
delivery_option_id=DeliveryOption.BUYER).exists()):
# TODO: return validation error with a unique code
return Response(
"Delivery address is required.",
status=status.HTTP_400_BAD_REQUEST,
)
cart_total = cart.total
min_purchase_value = region_settings.min_purchase_value
if cart_total < min_purchase_value:
# TODO: return validation error with a unique code
return Response(
f"Order must exceed {min_purchase_value} {CURRENT_CURRENCY_CODE}. This cart net "
f"value is {cart_total}",
status=status.HTTP_400_BAD_REQUEST,
)
order = Order.objects.create(
earliest_delivery_date=cart.earliest_delivery_date,
buyer=request.user,
status=Order.STATUSES.get_value("ordered"),
region=request.region,
)
third_party_delivery = False
order_items = []
for cart_item in cart.items.all():
order_item = OrderItem(
product=cart_item.product,
order=order,
latest_delivery_date=cart_item.latest_delivery_date,
quantity=cart_item.quantity,
delivery_address=cart.delivery_address,
delivery_option_id=cart_item.delivery_option.id,
)
order_item.product_snapshot = order_item.product.create_snapshot()
order_items.append(order_item)
order_items = OrderItem.objects.bulk_create(order_items)
if settings.FEATURES["routes"]:
for order_item in order_items:
if (order_item.product.third_party_delivery
and order_item.delivery_option_id
== DeliveryOption.SELLER):
third_party_delivery = True
self.send_task(
f"/jobs/create/{order_item.id}",
queue_name="routes",
http_method="POST",
schedule_time=30,
headers={"Region": request.region.slug},
)
# WARNING: It's required. The changes should be stored in the DB before we run recalculate_items_delivery_fee method.
# FIXME: It should not work like this.
order.save()
order = Order.objects.prefetch_related(
"items__delivery_option",
"items__product__container_type",
"items__product__region__settings__logistics_company",
"items__product__category",
"items__product__seller__region__settings",
"items__delivery_option",
"items__product__regions",
"buyer__region__settings",
"items__order__region__settings",
"region__settings",
).get(id=order.id)
order.recalculate_items_delivery_fee()
order.total_price = order.price_gross
order.save()
cart.delete()
if not third_party_delivery:
self.send_task(
f"/documents/queue/{order.id}/all",
queue_name="documents",
http_method="POST",
schedule_time=60,
headers={"Region": request.region.slug},
)
else:
logger.debug(f"Third party delivery. Order ID: {order.id}")
return Response(
OrderSerializer(order, context={
"request": request
}).data)
