def restore_data_from_archive(archive_transaction: ArchiveTransaction) -> None:
restore_messages_from_archive(archive_transaction.id)
restore_models_with_message_key_from_archive(archive_transaction.id)
restore_attachments_from_archive(archive_transaction.id)
restore_attachment_messages_from_archive(archive_transaction.id)
archive_transaction.restored = True
archive_transaction.save()
def restore_data_from_archive(archive_transaction: ArchiveTransaction) -> int:
logger.info("Restoring %s", archive_transaction)
# transaction.atomic needs to be used here, rather than being a wrapper on the whole function,
# so that when we log "Finished", the process has indeed finished - and that happens only after
# leaving the atomic block - Django does work committing the changes to the database when
# the block ends.
with transaction.atomic():
msg_ids = restore_messages_from_archive(archive_transaction.id)
restore_models_with_message_key_from_archive(archive_transaction.id)
restore_attachments_from_archive(archive_transaction.id)
restore_attachment_messages_from_archive(archive_transaction.id)
archive_transaction.restored = True
archive_transaction.save()
logger.info("Finished. Restored %s messages", len(msg_ids))
return len(msg_ids)