finger: debug logging serverside

src/server/varlink_api.rs

@@ -136,6 +136,7 @@ impl VarlinkRoowhoo2ClientServer {
 impl VarlinkRoowhoo2ClientServer {
     // TODO: handle 'all' parameter
     async fn handle_rwho_request(&self, _all: bool) -> VarlinkRwhoResponse {
+        tracing::debug!(all = _all, "Handling Rwho request");
         let store = self.whod_status_store.read().await;
 
         let mut all_user_entries = Vec::with_capacity(store.len());
@@ -153,6 +154,7 @@ impl VarlinkRoowhoo2ClientServer {
     }
 
     async fn handle_ruptime_request(&self) -> VarlinkRuptimeResponse {
+        tracing::debug!("Handling Ruptime request");
         let store = self.whod_status_store.read().await;
         store.values().cloned().collect()
     }
@@ -165,8 +167,13 @@ impl VarlinkRoowhoo2ClientServer {
         _request_networking: FingerRequestNetworking,
         _disable_user_account_db: bool,
     ) -> VarlinkFingerResponse {
+        tracing::debug!(
+          user_queries = ?user_queries,
+          match_fullnames = match_fullnames,
+          request_info = ?request_info,
+          "Handling Finger request",
+        );
         match user_queries {
-            // TODO: deduplicate results
             Some(usernames) => usernames
                 .into_iter()
                 .flat_map::<Vec<_>, _>(|username| {
@@ -175,6 +182,10 @@ impl VarlinkRoowhoo2ClientServer {
                         .map(|res| (username.clone(), res))
                         .collect()
                 })
+                .dedup_by(|a, b| match (&a.1, &b.1) {
+                    (Ok(user_a), Ok(user_b)) => user_a.username == user_b.username,
+                    _ => false,
+                })
                 .filter_map(|(username, user)| match user {
                     Ok(user_info) => Some(user_info),
                     Err(err) => {