def get_all(cls): return DBSession.query(cls).all()
def get_by_code(cls, code): it = DBSession.query(cls).filter(cls.id_ == encode62(code)) return it.first()
def get_by_dev_id(cls, dev_id): return DBSession.query(cls).filter(cls.dev_id == dev_id).first()
def get_by_name(cls, name): it = DBSession.query(cls).filter(cls.name == name) return it.first()
def get_by_username(cls, username): return DBSession.query(cls).filter(cls.username == username).first()