zulip/zerver/migrations/0128_scheduledemail_realm.py

52 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
# Generated by Django 1.11.6 on 2017-12-05 01:08
from __future__ import unicode_literals
from django.db import migrations, models
import django.db.models.deletion
from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
from django.db.migrations.state import StateApps
def set_realm_for_existing_scheduledemails(
apps: StateApps, schema_editor: DatabaseSchemaEditor) -> None:
scheduledemail_model = apps.get_model("zerver", "ScheduledEmail")
preregistrationuser_model = apps.get_model("zerver", "PreregistrationUser")
for scheduledemail in scheduledemail_model.objects.all():
if scheduledemail.type == 3: # ScheduledEmail.INVITATION_REMINDER
# Don't think this can be None, but just be safe
prereg = preregistrationuser_model.objects.filter(email=scheduledemail.address).first()
if prereg is not None:
scheduledemail.realm = prereg.realm
else:
scheduledemail.realm = scheduledemail.user.realm
scheduledemail.save(update_fields=['realm'])
# Shouldn't be needed, but just in case
scheduledemail_model.objects.filter(realm=None).delete()
class Migration(migrations.Migration):
dependencies = [
('zerver', '0127_disallow_chars_in_stream_and_user_name'),
]
operations = [
# Start with ScheduledEmail.realm being non-null
migrations.AddField(
model_name='scheduledemail',
name='realm',
field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm'),
),
# Sets realm for existing ScheduledEmails
migrations.RunPython(set_realm_for_existing_scheduledemails,
reverse_code=migrations.RunPython.noop),
# Require ScheduledEmail.realm to be non-null
migrations.AlterField(
model_name='scheduledemail',
name='realm',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm'),
),
]