opendal/services/koofr/
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;
21
22use super::core::KoofrCore;
23use super::core::ListResponse;
24use super::error::parse_error;
25use crate::raw::oio::Entry;
26use crate::raw::*;
27use crate::EntryMode;
28use crate::Metadata;
29use crate::Result;
30
31pub struct KoofrLister {
32    core: Arc<KoofrCore>,
33
34    path: String,
35}
36
37impl KoofrLister {
38    pub(super) fn new(core: Arc<KoofrCore>, path: &str) -> Self {
39        KoofrLister {
40            core,
41            path: path.to_string(),
42        }
43    }
44}
45
46impl oio::PageList for KoofrLister {
47    async fn next_page(&self, ctx: &mut oio::PageContext) -> Result<()> {
48        let resp = self.core.list(&self.path).await?;
49
50        if resp.status() == http::StatusCode::NOT_FOUND {
51            ctx.done = true;
52            return Ok(());
53        }
54
55        match resp.status() {
56            http::StatusCode::OK => {}
57            _ => {
58                return Err(parse_error(resp));
59            }
60        }
61
62        let bs = resp.into_body();
63
64        let response: ListResponse =
65            serde_json::from_reader(bs.reader()).map_err(new_json_deserialize_error)?;
66
67        for file in response.files {
68            let path = build_abs_path(&normalize_root(&self.path), &file.name);
69
70            let entry = if file.ty == "dir" {
71                let path = format!("{}/", path);
72                Entry::new(&path, Metadata::new(EntryMode::DIR))
73            } else {
74                let m = Metadata::new(EntryMode::FILE)
75                    .with_content_length(file.size)
76                    .with_content_type(file.content_type)
77                    .with_last_modified(parse_datetime_from_from_timestamp_millis(file.modified)?);
78                Entry::new(&path, m)
79            };
80
81            ctx.entries.push_back(entry);
82        }
83
84        ctx.done = true;
85
86        Ok(())
87    }
88}
opendal/services/koofr/lister.rs

opendal/services/koofr/
lister.rs
