peer count in UI

crates/lanspread-tauri-deno-ts/src-tauri/src/lib.rs

@@ -208,6 +208,23 @@ async fn update_game(id: String, state: tauri::State<'_, LanSpreadState>) -> tau
     }
 }
 
+#[tauri::command]
+async fn get_peer_count(state: tauri::State<'_, LanSpreadState>) -> tauri::Result<usize> {
+    let peer_ctrl_arc = state.inner().peer_ctrl.clone();
+    let peer_ctrl = peer_ctrl_arc.read().await.clone();
+
+    if let Some(peer_ctrl) = peer_ctrl {
+        // Send a request to get peer count
+        if let Err(e) = peer_ctrl.send(PeerCommand::GetPeerCount) {
+            log::error!("Failed to send GetPeerCount message to peer: {e:?}");
+        }
+    }
+
+    // For now, we'll return 0 and rely on the event-based updates
+    // The UI will get the actual count through peer-count-updated events
+    Ok(0)
+}
+
 #[cfg(target_os = "windows")]
 fn run_as_admin(file: &str, params: &str, dir: &str) -> bool {
     use std::{ffi::OsStr, os::windows::ffi::OsStrExt};
@@ -602,7 +619,8 @@ pub fn run() {
             install_game,
             run_game,
             update_game_directory,
-            update_game
+            update_game,
+            get_peer_count
         ])
         .manage(lanspread_state)
         .setup({
@@ -847,6 +865,12 @@ pub fn run() {
                                 log::error!("Failed to emit peer-lost event: {e}");
                             }
                         }
+                        PeerEvent::PeerCountUpdated(count) => {
+                            log::info!("Peer count updated: {count}");
+                            if let Err(e) = app_handle.emit("peer-count-updated", Some(count)) {
+                                log::error!("Failed to emit peer-count-updated event: {e}");
+                            }
+                        }
                     }
                 }
             });