Method load_dir_record

class/projectModel/safecloudModel.py:1542–1586

加载目录记录 @time: 2025-02-19 @return: 目录记录信息

(self)

            pass

    def load_dir_record(self) -> Dict:
        """加载目录记录
        @time: 2025-02-19
        @return: 目录记录信息
        """
        # try:
        #     if os.path.exists(self.__dir_record):
        #         with open(self.__dir_record, 'r') as f:
        #             return json.load(f)
        #     return {'directories': {}, 'last_update': 0}
        # except Exception as e:
        #     # logging.error("加载目录记录失败: {}".format(str(e)))
        #     return {'directories': {}, 'last_update': 0}
        directories_by_hash = {}
        last_update_ts = 0.0

        if not os.path.exists(self.__dir_record_db_path):
            return {'directories_by_hash': {}, 'last_update': last_update_ts}

        conn = self._get_db_conn()
        try:
            cursor = conn.cursor()
            cursor.execute("SELECT dir_path_md5_suffix_16, mtime, file_count, depth FROM directory_info")
            rows = cursor.fetchall()
            for row in rows:
                hash_suffix, mtime, file_count, depth = row
                directories_by_hash[hash_suffix] = {
                    'mtime': mtime,
                    'file_count': file_count,
                    'depth': depth
                }

            cursor.execute("SELECT meta_value FROM scan_metadata WHERE meta_key = ?", ('last_dir_record_update',))
            row_meta = cursor.fetchone()
            if row_meta:
                try:
                    last_update_ts = float(row_meta[0])
                except ValueError:
                    last_update_ts = 0.0
        except sqlite3.Error as e:
            return {'directories_by_hash': {}, 'last_update': 0.0}
        finally:
            conn.close()

        return {'directories_by_hash': directories_by_hash, 'last_update': last_update_ts}

    def save_dir_record(self, record_data: Dict) -> None:
        """保存目录记录