자유로운 이름으로 입장할 수 있도록 닉네임 구현

@@ -38,6 +38,7 @@ export const RoomInfoRecord = Record({
   users: Array(
     Record({
       username: String,
+      nickname: String,
       admin: Boolean,
       ready: Boolean,
     })

@@ -22,7 +22,7 @@ import {
 // 'result' 속성은 서버 요청 결과에만 포함되는 특별한 속성입니다.
 export class ServerInboundMessageRecordMap {
   // 로그인을 시도합니다.
-  login = Record({ username: String });
+  login = Record({ nickname: String, result: String });
 
   // 방 목록을 요청합니다.
   roomList = Record({
@@ -94,6 +94,7 @@ interface ServerOutboundMessageMap {
     state: "added" | "updated" | "removed";
     user: {
       username: string;
+      nickname: string;
       admin: boolean;
       ready: boolean;
     };

@@ -77,7 +77,7 @@ export class Connection {
   private handleLogin(
     message: ServerInboundMessage<"login">
   ): ServerResponse<"login"> {
-    this.user = new User(message.username, this);
+    this.user = new User(message.nickname, this);
     // console.log(`User ${message.username} has logged in!`);
 
     return { ok: true };

@@ -106,6 +106,7 @@ export class Room {
       state: "added",
       user: {
         username: user.username,
+        nickname: user.nickname,
         admin: user === this.admin,
         ready: this.usersReady.includes(user),
       },
@@ -128,6 +129,7 @@ export class Room {
         state: "removed",
         user: {
           username: user.username,
+          nickname: user.nickname,
           admin: user === this.admin,
           ready: this.usersReady.includes(user),
         },
@@ -221,6 +223,7 @@ export class Room {
       state: "updated",
       user: {
         username: user.username,
+        nickname: user.nickname,
         admin: this.isAdmin(user),
         ready: this.isReady(user),
       },
@@ -244,6 +247,7 @@ export class Room {
       users: this.users.map((u) => {
         return {
           username: u.username,
+          nickname: u.nickname,
           admin: this.isAdmin(u),
           ready: this.usersReady.includes(u),
         };

@@ -3,9 +3,11 @@ import { Connection } from "../connection/Connection";
 import { MessageHandler } from "../message/MessageHandler";
 import { Room } from "../room/Room";
 import { RoomManager } from "../room/RoomManager";
+import { v4 as uuidv4 } from "uuid";
 
 export class User {
-  public readonly username: string;
+  public readonly username: string; // TODO: 실제 역할은 uuid임
+  public readonly nickname: string;
 
   public readonly connection: Connection;
 
@@ -13,8 +15,9 @@ export class User {
 
   public handler: MessageHandler;
 
-  constructor(username: string, connection: Connection) {
-    this.username = username;
+  constructor(nickname: string, connection: Connection) {
+    this.username = uuidv4();
+    this.nickname = nickname;
     this.connection = connection;
     this.handler = new MessageHandler({
       roomList: (user, message) => {