def get_last_tid(self):
        try:
            spec = {'tid': {'$gt': 0}}
            sort = [('tid', -1)]
            row = self.db.docs.find_one(spec, sort=sort)
        except Exception as e:
            raise DatabaseException(e)
        if row:
            return row['tid']
        return 0
def __init__(self, translations_path, domain_name: str):
        super().__init__()
        self.update_types = self.process_update_types()

        self.path = translations_path
        self.domain = domain_name
        self.translations = self.find_translations()