1use crate::error::StorageError;
14use crate::storage::Storage;
15use async_trait::async_trait;
16use std::collections::HashMap;
17use std::sync::Arc;
18use tokio::sync::RwLock;
19
20pub struct AliyunOssStorage {
25 pub bucket: String,
26 pub endpoint: String,
27 store: Arc<RwLock<HashMap<String, Vec<u8>>>>,
28}
29
30impl AliyunOssStorage {
31 pub fn new(bucket: impl Into<String>, endpoint: impl Into<String>) -> Self {
32 Self {
33 bucket: bucket.into(),
34 endpoint: endpoint.into(),
35 store: Arc::new(RwLock::new(HashMap::new())),
36 }
37 }
38
39 pub fn url_for(&self, key: &str) -> String {
40 format!("oss://{}.{}/{}", self.bucket, self.endpoint, key)
41 }
42}
43
44#[async_trait]
45impl Storage for AliyunOssStorage {
46 async fn put(
47 &self,
48 key: &str,
49 data: &[u8],
50 _content_type: &str,
51 ) -> Result<String, StorageError> {
52 let mut store = self.store.write().await;
53 store.insert(key.to_string(), data.to_vec());
54 Ok(self.url_for(key))
55 }
56
57 async fn get(&self, key: &str) -> Result<Vec<u8>, StorageError> {
58 let store = self.store.read().await;
59 store
60 .get(key)
61 .cloned()
62 .ok_or_else(|| StorageError::NotFound(format!("oss://{}/{}", self.bucket, key)))
63 }
64
65 async fn delete(&self, key: &str) -> Result<(), StorageError> {
66 let mut store = self.store.write().await;
67 store.remove(key);
68 Ok(())
69 }
70
71 async fn exists(&self, key: &str) -> Result<bool, StorageError> {
72 let store = self.store.read().await;
73 Ok(store.contains_key(key))
74 }
75}
76
77#[cfg(test)]
78mod tests {
79 use super::*;
80
81 #[tokio::test]
82 async fn test_aliyun_put_and_get() {
83 let storage = AliyunOssStorage::new("bucket", "oss-cn-hangzhou.aliyuncs.com");
84 let url = storage
85 .put("a.txt", b"aliyun-data", "text/plain")
86 .await
87 .unwrap();
88 assert!(url.starts_with("oss://bucket.oss-cn-hangzhou.aliyuncs.com/"));
89
90 let data = storage.get("a.txt").await.unwrap();
91 assert_eq!(data, b"aliyun-data");
92 }
93
94 #[tokio::test]
95 async fn test_aliyun_get_not_found() {
96 let storage = AliyunOssStorage::new("bucket", "oss-cn-hangzhou.aliyuncs.com");
97 let result = storage.get("missing").await;
98 assert!(result.is_err());
99 assert!(matches!(result.unwrap_err(), StorageError::NotFound(_)));
100 }
101
102 #[tokio::test]
103 async fn test_aliyun_delete_and_exists() {
104 let storage = AliyunOssStorage::new("bucket", "oss-cn-hangzhou.aliyuncs.com");
105 storage.put("key", b"data", "text/plain").await.unwrap();
106 assert!(storage.exists("key").await.unwrap());
107
108 storage.delete("key").await.unwrap();
109 assert!(!storage.exists("key").await.unwrap());
110 }
111
112 #[tokio::test]
113 async fn test_aliyun_overwrite() {
114 let storage = AliyunOssStorage::new("bucket", "oss-cn-hangzhou.aliyuncs.com");
115 storage.put("key", b"v1", "text/plain").await.unwrap();
116 storage.put("key", b"v2", "text/plain").await.unwrap();
117 assert_eq!(storage.get("key").await.unwrap(), b"v2");
118 }
119}