Files
zulip/zerver/migrations/0041_create_attachments_for_old_messages.py
2017-11-15 15:44:00 -08:00

51 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
import os
from django.db import migrations, models
from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
from django.db.migrations.state import StateApps
from zerver.lib.upload import attachment_url_re, attachment_url_to_path_id
def check_and_create_attachments(apps: StateApps,
schema_editor: DatabaseSchemaEditor) -> None:
STREAM = 2
Message = apps.get_model('zerver', 'Message')
Attachment = apps.get_model('zerver', 'Attachment')
Stream = apps.get_model('zerver', 'Stream')
for message in Message.objects.filter(has_attachment=True, attachment=None):
attachment_url_list = attachment_url_re.findall(message.content)
for url in attachment_url_list:
path_id = attachment_url_to_path_id(url)
user_profile = message.sender
is_message_realm_public = False
if message.recipient.type == STREAM:
stream = Stream.objects.get(id=message.recipient.type_id)
is_message_realm_public = not stream.invite_only and not stream.realm.is_zephyr_mirror_realm
if path_id is not None:
attachment = Attachment.objects.create(
file_name=os.path.basename(path_id), path_id=path_id, owner=user_profile,
realm=user_profile.realm, is_realm_public=is_message_realm_public)
attachment.messages.add(message)
class Migration(migrations.Migration):
dependencies = [
('zerver', '0040_realm_authentication_methods'),
]
operations = [
# The TextField change was originally in the next migration,
# but because it fixes a problem that causes the RunPython
# part of this migration to crash, we've copied it here.
migrations.AlterField(
model_name='attachment',
name='file_name',
field=models.TextField(db_index=True),
),
migrations.RunPython(check_and_create_attachments)
]