zulip/zerver/migrations/0037_disallow_null_string_i...

46 lines
1.4 KiB
Python

# -*- coding: utf-8 -*-
from six.moves import range
from django.db.utils import IntegrityError
from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
from django.db.migrations.state import StateApps
from django.db import migrations, models
def set_string_id_using_domain(apps, schema_editor):
# type: (StateApps, DatabaseSchemaEditor) -> None
Realm = apps.get_model('zerver', 'Realm')
for realm in Realm.objects.all():
if not realm.string_id:
prefix = realm.domain.split('.')[0]
try:
realm.string_id = prefix
realm.save(update_fields=["string_id"])
continue
except IntegrityError:
pass
for i in range(1, 100):
try:
realm.string_id = prefix + str(i)
realm.save(update_fields=["string_id"])
continue
except IntegrityError:
pass
raise RuntimeError("Unable to find a good string_id for realm %s" % (realm,))
class Migration(migrations.Migration):
dependencies = [
('zerver', '0036_rename_subdomain_to_string_id'),
]
operations = [
migrations.RunPython(set_string_id_using_domain),
migrations.AlterField(
model_name='realm',
name='string_id',
field=models.CharField(unique=True, max_length=40),
),
]