zulip/zerver/management/commands/restore_messages.py

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from django.core.management.base import CommandParser
from zerver.lib.management import ZulipBaseCommand
from zerver.lib.retention import restore_all_data_from_archive, \
restore_data_from_archive_by_realm, restore_data_from_archive
from zerver.models import ArchiveTransaction
from typing import Any
class Command(ZulipBaseCommand):
help = """
Restore recently deleted messages from the archive, that
have not been vacuumed (because the time limit of
ARCHIVED_DATA_VACUUMING_DELAY_DAYS has not passed).
Intended primarily for use after against potential bugs in
Zulip's message retention and deletion features.
Examples:
To restore all recently deleted messages:
./manage.py restore_messages
To restore a specfic ArchiveTransaction:
./manage.py restore_messages --transaction-id=1
"""
def add_arguments(self, parser: CommandParser) -> None:
parser.add_argument('-d', '--restore-deleted',
dest='restore_deleted',
action='store_true',
help='Restore manually deleted messages.')
parser.add_argument('-t', '--transaction-id',
dest='transaction_id',
type=int,
help='Restore a specific ArchiveTransaction.')
self.add_realm_args(parser, help='Restore archived messages from the specified realm. '
'(Does not restore manually deleted messages.)')
def handle(self, **options: Any) -> None:
realm = self.get_realm(options)
if realm:
restore_data_from_archive_by_realm(realm)
elif options['transaction_id']:
restore_data_from_archive(ArchiveTransaction.objects.get(id=options['transaction_id']))
else:
restore_all_data_from_archive(restore_manual_transactions=options['restore_deleted'])