UPDATE

device_hub/migrations/0001_initial.py

@@ -4,11 +4,23 @@ import django.db.models.deletion
 from django.db import migrations, models
 
 
+def _create_model_if_missing(app_label, model_name):
+    def _operation(apps, schema_editor):
+        model = apps.get_model(app_label, model_name)
+        existing_tables = set(schema_editor.connection.introspection.table_names())
+        if model._meta.db_table in existing_tables:
+            return
+        schema_editor.create_model(model)
+
+    return _operation
+
+
 class Migration(migrations.Migration):
     initial = True
+    atomic = False
 
     dependencies = [
-        ("farm_hub", "0009_farmhub_irrigation_method_fields"),
+        ("farm_hub", "0001_initial"),
     ]
 
     operations = [
@@ -33,24 +45,48 @@ class Migration(migrations.Migration):
                     ],
                     options={"db_table": "sensor_catalogs", "ordering": ["code"]},
                 ),
+            ],
+        ),
+        migrations.RunPython(
+            _create_model_if_missing("device_hub", "SensorCatalog"),
+            migrations.RunPython.noop,
+        ),
+        migrations.SeparateDatabaseAndState(
+            database_operations=[],
+            state_operations=[
                 migrations.CreateModel(
-                    name="FarmDevice",
+                    name="FarmSensor",
                     fields=[
                         ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
                         ("uuid", models.UUIDField(db_index=True, default=uuid.uuid4, editable=False, unique=True)),
-                        ("physical_device_uuid", models.UUIDField(db_index=True, default=uuid.uuid4, unique=True)),
                         ("name", models.CharField(max_length=255)),
                         ("sensor_type", models.CharField(blank=True, default="", max_length=255)),
                         ("is_active", models.BooleanField(default=True)),
                         ("specifications", models.JSONField(blank=True, default=dict)),
                         ("power_source", models.JSONField(blank=True, default=dict)),
+                        ("customization", models.JSONField(blank=True, default=dict)),
                         ("created_at", models.DateTimeField(auto_now_add=True)),
                         ("updated_at", models.DateTimeField(auto_now=True)),
-                        ("farm", models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name="sensors", to="farm_hub.farmhub")),
-                        ("sensor_catalog", models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name="farm_devices", to="device_hub.sensorcatalog")),
+                        (
+                            "farm",
+                            models.ForeignKey(
+                                on_delete=django.db.models.deletion.CASCADE,
+                                related_name="sensors",
+                                to="farm_hub.farmhub",
+                            ),
+                        ),
                     ],
                     options={"db_table": "farm_sensors", "ordering": ["-created_at"]},
                 ),
+            ],
+        ),
+        migrations.RunPython(
+            _create_model_if_missing("device_hub", "FarmSensor"),
+            migrations.RunPython.noop,
+        ),
+        migrations.SeparateDatabaseAndState(
+            database_operations=[],
+            state_operations=[
                 migrations.CreateModel(
                     name="SensorExternalRequestLog",
                     fields=[
@@ -65,4 +101,8 @@ class Migration(migrations.Migration):
                 ),
             ],
         ),
+        migrations.RunPython(
+            _create_model_if_missing("device_hub", "SensorExternalRequestLog"),
+            migrations.RunPython.noop,
+        ),
     ]