fix cache dir problem

src/proxy.rs

@@ -1,4 +1,4 @@
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 
 use actix_web::{HttpRequest, HttpResponse};
 
@@ -17,17 +17,39 @@ impl ProxyMirror {
         }
     }
 
+    pub fn create_cache_dir(dir: &Path) {
+        if dir.is_file() {
+            let tmp_file_path = dir.with_extension("tmp");
+            std::fs::rename(dir, &tmp_file_path).expect("Failed to rename file");
+
+            std::fs::create_dir_all(dir).expect("Failed to create directory");
+
+            let index_file_path = dir.join("index");
+            std::fs::rename(&tmp_file_path, index_file_path)
+                .expect("Failed to move file into directory");
+        } else {
+            std::fs::create_dir_all(dir).unwrap();
+        }
+    }
+
     pub async fn get(&self, path: &str, req: &HttpRequest) -> Option<HttpResponse> {
         let p = std::path::Path::new(&path[1..]);
         let p = std::path::Path::new(&self.data_dir).join(p);
 
-        // todo : fix file dir problem
         if !self.no_cache.is_match(path) {
-            std::fs::create_dir_all(p.parent().unwrap()).unwrap();
+            Self::create_cache_dir(p.parent().unwrap());
 
             if p.exists() {
                 // todo : refresh caches
                 log::info!("Returning {path} from cache");
+                if p.is_dir() {
+                    return Some(
+                        actix_files::NamedFile::open_async(p.join("index"))
+                            .await
+                            .ok()?
+                            .into_response(req),
+                    );
+                }
                 return Some(
                     actix_files::NamedFile::open_async(&p)
                         .await
@@ -51,11 +73,13 @@ impl ProxyMirror {
     }
 
     pub async fn get_url(&self, path: &str, save: &PathBuf) -> Option<HttpResponse> {
-        println!("Fetching {path}");
+        log::info!("Fetching {path}");
         let response = reqwest::get(path).await.unwrap();
         let status_code = response.status();
         let body_bytes = response.bytes().await.ok()?;
+        if status_code.is_success() {
             std::fs::write(save, &body_bytes).unwrap();
+        }
         let mut http_response = HttpResponse::build(
             actix_web::http::StatusCode::from_u16(status_code.as_u16()).unwrap(),
         );