From 5a09b743c9170f6844894b4becafc7afa2fd6334 Mon Sep 17 00:00:00 2001
From: Nikita Vilunov <nikita@vilunov.me>
Date: Sat, 20 Apr 2024 17:09:44 +0200
Subject: [PATCH] return AlreadyJoined when a player attempts to join a room
 they are already in

---
 crates/lavina-core/src/player.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crates/lavina-core/src/player.rs b/crates/lavina-core/src/player.rs
index 0486808..8693752 100644
--- a/crates/lavina-core/src/player.rs
+++ b/crates/lavina-core/src/player.rs
@@ -177,6 +177,7 @@ pub enum ClientCommand {
 
 pub enum JoinResult {
     Success(RoomInfo),
+    AlreadyJoined,
     Banned,
 }
 
@@ -388,6 +389,9 @@ impl Player {
         if self.banned_from.contains(&room_id) {
             return JoinResult::Banned;
         }
+        if self.my_rooms.contains_key(&room_id) {
+            return JoinResult::AlreadyJoined;
+        }
 
         let room = match self.rooms.get_or_create_room(room_id.clone()).await {
             Ok(room) => room,