Allow joining an existing room and validating tile placement

board-server/src/main.rs

@@ -4,7 +4,7 @@ mod room;
 use crate::room::{generate_room_name, Room, RoomHandle};
 use anyhow::Result;
 use async_tungstenite::WebSocketStream;
-use board_network::protocol::ClientMessage;
+use board_network::protocol::{ClientMessage, ServerMessage};
 use futures::channel::mpsc::{unbounded, UnboundedSender};
 use futures::future::join;
 use futures::{future, SinkExt, StreamExt};
@@ -94,6 +94,23 @@ async fn handle_connection(
 
                 return Ok(());
             }
+            ClientMessage::JoinRoom(room_name, player_name) => {
+                let handle = rooms.lock().unwrap().get_mut(&room_name).cloned();
+                if let Some(h) = handle {
+                    println!("[{addr}] Joining room '{room_name}' for player '{player_name}'");
+                    run_player(player_name, addr, h, ws_stream).await;
+                    return Ok(());
+                } else {
+                    ws_stream
+                        .send(WebsocketMessage::Text(
+                            serde_json::to_string(&ServerMessage::JoinFailed(
+                                "Could not find room".to_string(),
+                            ))
+                            .unwrap(),
+                        ))
+                        .await?;
+                }
+            }
             msg => eprintln!("[{addr}] Received illegal message {msg:?}"),
         }
     }