opendal/services/aliyun_drive/
writer.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use std::sync::Arc;
19
20use bytes::Buf;
21
22use super::core::AliyunDriveCore;
23use super::core::CheckNameMode;
24use super::core::CreateResponse;
25use super::core::CreateType;
26use super::core::UploadUrlResponse;
27use crate::raw::*;
28use crate::*;
29
30pub struct AliyunDriveWriter {
31    core: Arc<AliyunDriveCore>,
32
33    _op: OpWrite,
34    parent_file_id: String,
35    name: String,
36
37    file_id: Option<String>,
38    upload_id: Option<String>,
39    part_number: usize,
40}
41
42impl AliyunDriveWriter {
43    pub fn new(core: Arc<AliyunDriveCore>, parent_file_id: &str, name: &str, op: OpWrite) -> Self {
44        AliyunDriveWriter {
45            core,
46            _op: op,
47            parent_file_id: parent_file_id.to_string(),
48            name: name.to_string(),
49            file_id: None,
50            upload_id: None,
51            part_number: 1, // must start from 1
52        }
53    }
54}
55
56impl oio::Write for AliyunDriveWriter {
57    async fn write(&mut self, bs: Buffer) -> Result<()> {
58        let (upload_id, file_id) = match (self.upload_id.as_ref(), self.file_id.as_ref()) {
59            (Some(upload_id), Some(file_id)) => (upload_id, file_id),
60            _ => {
61                let res = self
62                    .core
63                    .create(
64                        Some(&self.parent_file_id),
65                        &self.name,
66                        CreateType::File,
67                        CheckNameMode::Refuse,
68                    )
69                    .await?;
70                let output: CreateResponse =
71                    serde_json::from_reader(res.reader()).map_err(new_json_deserialize_error)?;
72                if output.exist.is_some_and(|x| x) {
73                    return Err(Error::new(ErrorKind::AlreadyExists, "file exists"));
74                }
75                self.upload_id = output.upload_id;
76                self.file_id = Some(output.file_id);
77                (
78                    self.upload_id.as_ref().expect("cannot find upload_id"),
79                    self.file_id.as_ref().expect("cannot find file_id"),
80                )
81            }
82        };
83
84        let res = self
85            .core
86            .get_upload_url(file_id, upload_id, Some(self.part_number))
87            .await?;
88        let output: UploadUrlResponse =
89            serde_json::from_reader(res.reader()).map_err(new_json_deserialize_error)?;
90
91        let Some(upload_url) = output
92            .part_info_list
93            .as_ref()
94            .and_then(|list| list.first())
95            .map(|part_info| &part_info.upload_url)
96        else {
97            return Err(Error::new(ErrorKind::Unexpected, "cannot find upload_url"));
98        };
99
100        if let Err(err) = self.core.upload(upload_url, bs).await {
101            if err.kind() != ErrorKind::AlreadyExists {
102                return Err(err);
103            }
104        };
105
106        self.part_number += 1;
107
108        Ok(())
109    }
110
111    async fn close(&mut self) -> Result<Metadata> {
112        let (Some(upload_id), Some(file_id)) = (self.upload_id.as_ref(), self.file_id.as_ref())
113        else {
114            return Ok(Metadata::default());
115        };
116
117        self.core.complete(file_id, upload_id).await?;
118        Ok(Metadata::default())
119    }
120
121    async fn abort(&mut self) -> Result<()> {
122        let Some(file_id) = self.file_id.as_ref() else {
123            return Ok(());
124        };
125        self.core.delete_path(file_id).await
126    }
127}
opendal/services/aliyun_drive/writer.rs

opendal/services/aliyun_drive/
writer.rs
