UPDATE

farm_data/management/commands/seed_farm_data.py

@@ -6,9 +6,9 @@ from uuid import UUID
 
 from django.core.management.base import BaseCommand
 
-from farm_data.models import SensorData
+from farm_data.models import PlantCatalogSnapshot, SensorData
+from farm_data.services import assign_farm_plants_from_backend_ids
 from location_data.models import SoilLocation
-from plant.models import Plant
 from weather.models import WeatherForecast
 
 
@@ -54,9 +54,14 @@ class Command(BaseCommand):
                 "sensor_payload": DEMO_SENSOR_PAYLOAD,
             },
         )
-        plants = list(Plant.objects.filter(name__in=DEMO_PLANT_NAMES).order_by("name"))
+        plants = list(
+            PlantCatalogSnapshot.objects.filter(name__in=DEMO_PLANT_NAMES).order_by("name")
+        )
         if plants:
-            farm_data.plants.set(plants)
+            assign_farm_plants_from_backend_ids(
+                farm_data,
+                [plant.backend_plant_id for plant in plants],
+            )
 
         status_text = "Created" if created else "Updated"
         weather_text = weather_forecast.id if weather_forecast else "None"