fix created_by field migration to create User properly if none exists

This commit is contained in:
Nick Sweeting 2024-08-22 15:20:36 -07:00
parent 9b1659c72f
commit afe1307617
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@ -7,6 +7,27 @@ from django.conf import settings
from django.db import migrations, models
def updated_created_by_ids(apps, schema_editor):
"""Get or create a system user with is_superuser=True to be the default owner for new DB rows"""
User = apps.get_model("auth", "User")
ArchiveResult = apps.get_model("core", "ArchiveResult")
Snapshot = apps.get_model("core", "Snapshot")
Tag = apps.get_model("core", "Tag")
# if only one user exists total, return that user
if User.objects.filter(is_superuser=True).count() == 1:
user_id = User.objects.filter(is_superuser=True).values_list('pk', flat=True)[0]
# otherwise, create a dedicated "system" user
user_id = User.objects.get_or_create(username='system', is_staff=True, is_superuser=True, defaults={'email': '', 'password': ''})[0].pk
ArchiveResult.objects.all().update(created_by_id=user_id)
Snapshot.objects.all().update(created_by_id=user_id)
Tag.objects.all().update(created_by_id=user_id)
class Migration(migrations.Migration):
dependencies = [
@ -24,7 +45,7 @@ class Migration(migrations.Migration):
migrations.AddField(
model_name='archiveresult',
name='created_by',
field=models.ForeignKey(default=abid_utils.models.get_or_create_system_user_pk, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
field=models.ForeignKey(null=True, default=abid_utils.models.get_or_create_system_user_pk, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
),
migrations.AddField(
model_name='archiveresult',
@ -40,7 +61,7 @@ class Migration(migrations.Migration):
migrations.AddField(
model_name='snapshot',
name='created_by',
field=models.ForeignKey(default=abid_utils.models.get_or_create_system_user_pk, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
field=models.ForeignKey(null=True, default=abid_utils.models.get_or_create_system_user_pk, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
),
migrations.AddField(
model_name='snapshot',
@ -56,7 +77,7 @@ class Migration(migrations.Migration):
migrations.AddField(
model_name='tag',
name='created_by',
field=models.ForeignKey(default=abid_utils.models.get_or_create_system_user_pk, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
field=models.ForeignKey(null=True, default=abid_utils.models.get_or_create_system_user_pk, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
),
migrations.AddField(
model_name='tag',
@ -73,4 +94,23 @@ class Migration(migrations.Migration):
name='uuid',
field=models.UUIDField(blank=True, null=True, unique=True),
),
migrations.RunPython(updated_created_by_ids, reverse_code=migrations.RunPython.noop),
migrations.AddField(
model_name='snapshot',
name='created_by',
field=models.ForeignKey(default=abid_utils.models.get_or_create_system_user_pk, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
),
migrations.AlterField(
model_name='archiveresult',
name='created_by',
field=models.ForeignKey(default=abid_utils.models.get_or_create_system_user_pk, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
),
migrations.AddField(
model_name='tag',
name='created_by',
field=models.ForeignKey(default=abid_utils.models.get_or_create_system_user_pk, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
),
]