MessageResponse에 응답 결과 데이터를 담을 수 있도록 변경

@@ -26,10 +26,13 @@ export class MessageHandlerRegistry {
     );
   }
 
-  private static registerHandler<T extends Message>(
+  private static registerHandler<
+    T extends Message,
+    S extends Message | undefined
+  >(
     connection: Connection,
     typeName: string,
-    handler: (connection: Connection, message: T) => MessageResponse
+    handler: (connection: Connection, message: T) => MessageResponse<S>
   ) {
     connection.socket.on(typeName, (message: T, callback: Function) => {
       const response = handler(connection, message);
@@ -37,10 +40,13 @@ export class MessageHandlerRegistry {
     });
   }
 
-  private static registerHandlerAuthed<T extends Message>(
+  private static registerHandlerAuthed<
+    T extends Message,
+    S extends Message | undefined
+  >(
     connection: Connection,
     typeName: string,
-    handler: (user: User, message: T) => MessageResponse
+    handler: (user: User, message: T) => MessageResponse<S>
   ) {
     connection.socket.on(typeName, (message: T, callback: Function) => {
       if (connection.user !== undefined) {

@@ -6,7 +6,7 @@ import { LoginMessage, MessageResponse } from "../types";
 export function loginHandler(
   connection: Connection,
   message: LoginMessage
-): MessageResponse {
+): MessageResponse<undefined> {
   connection.user = new User(message.username, connection);
   console.log(`User ${message.username} has logged in!`);
 

@@ -6,7 +6,7 @@ import { MessageResponse, RoomChatMessage, RoomJoinMessage } from "../types";
 export function roomChatHandler(
   user: User,
   message: RoomChatMessage
-): MessageResponse {
+): MessageResponse<undefined> {
   user.room?.sendChat(user, message.message);
   return { ok: true };
 }

 import { Connection } from "../../connection/Connection";
 import { RoomManager } from "../../room/RoomManager";
 import { User } from "../../user/User";
-import { MessageResponse, RoomJoinMessage } from "../types";
+import { MessageResponse, RoomInfoMessage, RoomJoinMessage } from "../types";
 
 export function roomJoinHandler(
   user: User,
   message: RoomJoinMessage
-): MessageResponse {
+): MessageResponse<RoomInfoMessage> {
   const room = RoomManager.instance().get(message.uuid);
   if (room !== undefined) {
-    room.connect(user);
-    return { ok: true };
+    const roomInfoMessage = room.connect(user);
+    return { ok: roomInfoMessage !== undefined, result: roomInfoMessage };
   }
   return { ok: false };
 }

@@ -6,7 +6,7 @@ import { MessageResponse, RoomLeaveMessage } from "../types";
 export function roomLeaveHandler(
   user: User,
   message: RoomLeaveMessage
-): MessageResponse {
+): MessageResponse<undefined> {
   user.room?.disconnect(user);
   return { ok: true };
 }

@@ -10,9 +10,10 @@ export interface Message {
  * @param ok 요청의 성공 여부입니다.
  * @param reason 요청 실패 사유입니다. 필요한 경우에만 포함됩니다.
  */
-export interface MessageResponse {
+export interface MessageResponse<T> {
   ok: boolean;
   reason?: string;
+  result?: T;
 }
 
 /**
@@ -87,7 +88,6 @@ export class RoomChatMessage implements Message {
 }
 
 export class MessageType {
-  static readonly RESPONSE = "response";
   static readonly LOGIN = "login";
   static readonly ROOM_LIST = "room_list";
   static readonly ROOM_JOIN = "room_join";

@@ -26,23 +26,23 @@ export class Room {
     this.maxUsers = maxUsers;
   }
 
-  public connect(user: User): void {
+  public connect(user: User): RoomInfoMessage | undefined {
     if (this.users.includes(user) || this.users.length >= this.maxUsers) {
-      return;
+      return undefined;
     }
 
+    this.broadcast(new RoomUserUpdateMessage("added", user.getData()));
+
     this.users.push(user);
     user.room = this; // TODO: 더 나은 관리
 
-    this.broadcast(new RoomUserUpdateMessage("added", user.getData()));
-
     var users: UserData[] = [];
     this.users.forEach((u) => {
       if (user !== u) {
         users.push(u.getData());
       }
     });
-    user.connection.send(new RoomInfoMessage(users));
+    return new RoomInfoMessage(users);
   }
 
   public disconnect(user: User): void {