UPDATE

farm_hub/services.py

@@ -0,0 +1,21 @@
+from django.db import transaction
+
+from crop_zoning.services import create_zones_and_dispatch, get_initial_zones_payload, normalize_area_feature
+
+
+def dispatch_farm_zoning(area_feature, farm):
+    crop_area, _zones = create_zones_and_dispatch(normalize_area_feature(area_feature), farm=farm)
+    return get_initial_zones_payload(crop_area)
+
+
+def create_farm_with_zoning(serializer, owner):
+    area_feature = serializer.validated_data.pop("area_geojson", None)
+
+    with transaction.atomic():
+        farm = serializer.save(owner=owner)
+        zoning_payload = None
+
+        if area_feature is not None:
+            zoning_payload = dispatch_farm_zoning(area_feature, farm)
+
+    return farm, zoning_payload