opendal/services/pcloud/
lister.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;
21use http::StatusCode;
22
23use super::core::*;
24use super::error::parse_error;
25use crate::raw::oio::Entry;
26use crate::raw::*;
27use crate::*;
28
29pub struct PcloudLister {
30    core: Arc<PcloudCore>,
31
32    path: String,
33}
34
35impl PcloudLister {
36    pub(super) fn new(core: Arc<PcloudCore>, path: &str) -> Self {
37        PcloudLister {
38            core,
39            path: path.to_string(),
40        }
41    }
42}
43
44impl oio::PageList for PcloudLister {
45    async fn next_page(&self, ctx: &mut oio::PageContext) -> Result<()> {
46        let resp = self.core.list_folder(&self.path).await?;
47
48        let status = resp.status();
49
50        match status {
51            StatusCode::OK => {
52                let bs = resp.into_body();
53
54                let resp: ListFolderResponse = serde_json::from_reader(bs.clone().reader())
55                    .map_err(new_json_deserialize_error)?;
56                let result = resp.result;
57
58                if result == 2005 {
59                    ctx.done = true;
60                    return Ok(());
61                }
62
63                if result != 0 {
64                    return Err(Error::new(ErrorKind::Unexpected, format!("{resp:?}")));
65                }
66
67                if let Some(metadata) = resp.metadata {
68                    if let Some(contents) = metadata.contents {
69                        for content in contents {
70                            let path = if content.isfolder {
71                                format!("{}/", content.path.clone())
72                            } else {
73                                content.path.clone()
74                            };
75
76                            let md = parse_list_metadata(content)?;
77                            let path = build_rel_path(&self.core.root, &path);
78
79                            ctx.entries.push_back(Entry::new(&path, md))
80                        }
81                    }
82
83                    ctx.done = true;
84                    return Ok(());
85                }
86
87                Err(Error::new(
88                    ErrorKind::Unexpected,
89                    String::from_utf8_lossy(&bs.to_bytes()),
90                ))
91            }
92            _ => Err(parse_error(resp)),
93        }
94    }
95}
opendal/services/pcloud/lister.rs

opendal/services/pcloud/
lister.rs
