1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 //! This file implements de file operations.
17
18 use asset_definition::{log_throw_error, ErrCode, Result};
19 use asset_log::logi;
20 use std::{fs, path::Path};
21
22 use crate::common::{get_user_dbs, is_file_exist};
23
construct_user_de_path(user_id: i32) -> String24 fn construct_user_de_path(user_id: i32) -> String {
25 format!("data/service/el1/public/asset_service/{}", user_id)
26 }
27
is_user_de_dir_exist(user_id: i32) -> Result<bool>28 fn is_user_de_dir_exist(user_id: i32) -> Result<bool> {
29 let path_str = construct_user_de_path(user_id);
30 is_file_exist(&path_str)
31 }
32
33 /// Create user de directory.
create_user_de_dir(user_id: i32) -> Result<()>34 pub fn create_user_de_dir(user_id: i32) -> Result<()> {
35 if is_user_de_dir_exist(user_id)? {
36 return Ok(());
37 }
38
39 logi!("[INFO]User DE directory does not exist, create it...");
40 let path_str = construct_user_de_path(user_id);
41 let path: &Path = Path::new(&path_str);
42 match fs::create_dir(path) {
43 Ok(_) => Ok(()),
44 Err(e) if e.kind() == std::io::ErrorKind::AlreadyExists => Ok(()),
45 Err(e) => {
46 log_throw_error!(
47 ErrCode::FileOperationError,
48 "[FATAL][SA]Create user DE directory failed! error is [{}]",
49 e
50 )
51 },
52 }
53 }
54
55 /// Delete user de directory.
delete_user_de_dir(user_id: i32) -> Result<()>56 pub fn delete_user_de_dir(user_id: i32) -> Result<()> {
57 if !is_user_de_dir_exist(user_id)? {
58 return Ok(());
59 }
60
61 let path_str = construct_user_de_path(user_id);
62 let path: &Path = Path::new(&path_str);
63 match fs::remove_dir_all(path) {
64 Ok(_) => Ok(()),
65 Err(e) if e.kind() != std::io::ErrorKind::NotFound => Ok(()),
66 Err(e) => {
67 log_throw_error!(
68 ErrCode::FileOperationError,
69 "[FATAL][SA]Delete user DE directory failed! error is [{}]",
70 e
71 )
72 },
73 }
74 }
75
76 /// Obtain de user dbs
get_de_user_dbs(user_id: i32) -> Result<Vec<String>>77 pub fn get_de_user_dbs(user_id: i32) -> Result<Vec<String>> {
78 get_user_dbs(&construct_user_de_path(user_id))
79 }
80