server: return ids processed from send_refresh_websocket_handler

server/src/nm.rs

@@ -946,7 +946,7 @@ pub async fn label_unprocessed(
     dryrun: bool,
     limit: Option<usize>,
     query: &str,
-) -> Result<(), ServerError> {
+) -> Result<Box<[String]>, ServerError> {
     use futures::StreamExt;
     let ids = nm.message_ids(query)?;
     info!(
@@ -990,7 +990,6 @@ pub async fn label_unprocessed(
         // Only process the first file path is multiple files have the same id
         let path = files.iter().next().unwrap();
         let file = File::open(&path)?;
-        info!("mmaping {path}");
         let mmap = unsafe { MmapOptions::new().map(&file)? };
         let m = parse_mail(&mmap)?;
         let (matched_rule, add_tags) = find_tags(&rules, &m.headers);
@@ -1067,7 +1066,7 @@ pub async fn label_unprocessed(
         }
     }
 
-    Ok(())
+    Ok(ids.into())
 }
 fn find_tags<'a, 'b>(rules: &'a [Rule], headers: &'b [MailHeader]) -> (bool, HashSet<&'a str>) {
     let mut matched_rule = false;