Merge pull request #47 from hl-archive-node/fix/issue-46

fix: Sort hl-node files correctly

src/pseudo_peer/sources/hl_node/file_ops.rs

@@ -17,12 +17,12 @@ impl FileOperations {
                 files.extend(
                     subentries
                         .filter_map(|f| f.ok().map(|f| f.path()))
-                        .filter(|p| TimeUtils::datetime_from_path(p).is_some()),
+                        .filter_map(|p| TimeUtils::datetime_from_path(&p).map(|dt| (dt, p))),
                 );
             }
         }
         files.sort();
-        Some(files)
+        Some(files.into_iter().map(|(_, p)| p).collect())
     }
 
     pub fn find_latest_hourly_file(root: &Path) -> Option<PathBuf> {

src/pseudo_peer/sources/hl_node/tests.rs

@@ -193,3 +193,22 @@ async fn test_update_last_fetch_fallback() -> eyre::Result<()> {
 
     Ok(())
 }
+
+#[test]
+fn test_hourly_files_sort() -> eyre::Result<()> {
+    let temp_dir = tempfile::tempdir()?;
+    // create 20250826/9, 20250826/14
+    let targets = [("20250826", "9"), ("20250826", "14")];
+    for (date, hour) in targets {
+        let hourly_file = temp_dir.path().join(HOURLY_SUBDIR).join(date).join(hour);
+        let parent = hourly_file.parent().unwrap();
+        std::fs::create_dir_all(parent)?;
+        std::fs::File::create(hourly_file)?;
+    }
+    let files = FileOperations::all_hourly_files(temp_dir.path()).unwrap();
+    let file_names: Vec<_> =
+        files.into_iter().map(|p| p.file_name().unwrap().to_string_lossy().into_owned()).collect();
+
+    assert_eq!(file_names, ["9", "14"]);
+    Ok(())
+}