24 lines
820 B
Python
24 lines
820 B
Python
from django.db import migrations, models
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def copy_sensor_catalog_to_device_catalogs(apps, schema_editor):
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FarmDevice = apps.get_model("device_hub", "FarmDevice")
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for farm_device in FarmDevice.objects.exclude(sensor_catalog__isnull=True).iterator():
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farm_device.device_catalogs.add(farm_device.sensor_catalog_id)
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class Migration(migrations.Migration):
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dependencies = [
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("device_hub", "0007_devicecatalog_dynamic_fields"),
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]
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operations = [
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migrations.AddField(
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model_name="farmdevice",
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name="device_catalogs",
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field=models.ManyToManyField(blank=True, related_name="composite_farm_devices", to="device_hub.devicecatalog"),
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),
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migrations.RunPython(copy_sensor_catalog_to_device_catalogs, migrations.RunPython.noop),
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]
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