방장 구현

@@ -35,7 +35,12 @@ export const RoomInfoRecord = Record({
   uuid: String,
   name: String,
   maxUsers: Number,
-  users: Array(UserDataRecord),
+  users: Array(
+    Record({
+      username: String,
+      admin: Boolean,
+    })
+  ),
 });
 
 export type RoomInfo = Static<typeof RoomInfoRecord>;

@@ -74,6 +74,7 @@ interface ServerOutboundMessageMap {
     state: "added" | "updated" | "removed";
     user: {
       username: string;
+      admin: boolean;
     };
   };
 

@@ -8,6 +8,7 @@ import {
   ServerOutboundMessageKey,
 } from "../../common";
 import { RoomDescription, RoomInfo, UserData } from "../../common/dataType";
+import { RoomManager } from "./RoomManager";
 
 export class Room {
   public readonly uuid: string;
@@ -15,16 +16,26 @@ export class Room {
   public name: string;
   public readonly maxUsers: number;
 
+  public readonly roomManager: RoomManager;
+
   public users: User[] = [];
+  public admin?: User;
 
-  private closed: boolean = false;
+  public closed: boolean = false;
 
   public handler: MessageHandler;
 
-  constructor(name: string, maxUsers: number = 8) {
+  constructor(
+    roomManager: RoomManager,
+    name: string,
+    admin?: User,
+    maxUsers: number = 8
+  ) {
     this.uuid = uuidv4();
     this.name = name;
     this.maxUsers = maxUsers;
+    this.roomManager = roomManager;
+    this.admin = admin;
 
     this.handler = new MessageHandler({
       chat: (user, message) => {
@@ -36,6 +47,10 @@ export class Room {
         return { ok: true };
       },
     });
+
+    if (this.admin) {
+      this.connect(this.admin);
+    }
   }
 
   public connect(user: User): void {
@@ -43,7 +58,13 @@ export class Room {
       return;
     }
 
-    this.broadcast("updateRoomUser", { state: "added", user: user.getData() });
+    this.broadcast("updateRoomUser", {
+      state: "added",
+      user: {
+        username: user.username,
+        admin: user === this.admin,
+      },
+    });
 
     this.users.push(user);
     user.room = this;
@@ -57,11 +78,25 @@ export class Room {
 
       this.broadcast("updateRoomUser", {
         state: "removed",
-        user: user.getData(),
+        user: {
+          username: user.username,
+          admin: user === this.admin,
+        },
       });
+
+      if (this.users.length === 0) {
+        this.close();
+      } else {
+        this.setNextAdmin();
+      }
     }
   }
 
+  private setNextAdmin(): void {
+    const nextAdmin = this.users[Math.floor(Math.random() * this.users.length)];
+    this.admin = nextAdmin;
+  }
+
   public sendChat(user: User, message: string): void {
     this.broadcast("chat", { sender: user.username, message: message });
   }
@@ -76,12 +111,16 @@ export class Room {
   }
 
   public getInfo(): RoomInfo {
-    var users: UserData[] = this.users.map((u) => u.getData());
     return {
       uuid: this.uuid,
       name: this.name,
       maxUsers: this.maxUsers,
-      users: users,
+      users: this.users.map((u) => {
+        return {
+          username: u.username,
+          admin: u === this.admin,
+        };
+      }),
     };
   }
 
@@ -101,6 +140,7 @@ export class Room {
     if (!this.closed) {
       this.users.forEach((u) => this.disconnect(u));
       this.closed = true;
+      this.roomManager.delete(this.uuid);
     }
   }
 }

 import { RoomDescription } from "../../common/dataType";
+import { User } from "../user/User";
 import { Room } from "./Room";
 
 export class RoomManager {
@@ -8,8 +9,8 @@ export class RoomManager {
     this.rooms = new Map<string, Room>();
   }
 
-  public create(name: string, maxConnections: number): Room {
-    const room = new Room(name, maxConnections);
+  public create(name: string, maxConnections: number, admin?: User): Room {
+    const room = new Room(this, name, admin, maxConnections);
     this.rooms.set(room.uuid, room);
     return room;
   }

+import { expect } from "chai";
+import { RoomManager } from "../room/RoomManager";
+import { SocketTester } from "./util/SocketTester";
+
+describe("방장", () => {
+  const roomManager = new RoomManager();
+  it("방을 만든 유저가 방장이 됩니다", () => {
+    const socket = new SocketTester(roomManager);
+    socket.login("guest");
+
+    expect(socket.connection.user !== undefined).eq(true);
+    const room = roomManager.create("테스트", 2, socket.connection.user);
+    expect(room.admin).eq(socket.connection.user);
+  });
+  it("나중에 들어온 유저는 방장이 되지 않습니다", () => {
+    const socket1 = new SocketTester(roomManager);
+    const socket2 = new SocketTester(roomManager);
+    socket1.login("guest1");
+    socket2.login("guest2");
+
+    expect(socket1.connection.user !== undefined).eq(true);
+    expect(socket2.connection.user !== undefined).eq(true);
+    const room = roomManager.create("테스트", 2, socket1.connection.user);
+    const response = socket2.test("joinRoom", { uuid: room.uuid });
+    expect(response.ok).eq(true);
+    expect(room.admin).eq(socket1.connection.user);
+    expect(room.admin).not.eq(socket2.connection.user);
+    expect(response.result?.users[0]?.username).eq("guest1");
+    expect(response.result?.users[0]?.admin).eq(true);
+  });
+  it("방장이 나가면 방장이 인계됩니다", () => {
+    const socket1 = new SocketTester(roomManager);
+    const socket2 = new SocketTester(roomManager);
+    socket1.login("guest1");
+    socket2.login("guest2");
+
+    expect(socket1.connection.user !== undefined).eq(true);
+    expect(socket2.connection.user !== undefined).eq(true);
+    const room = roomManager.create("테스트", 2, socket1.connection.user);
+    expect(socket2.test("joinRoom", { uuid: room.uuid }).ok).eq(true);
+
+    expect(room.admin).eq(socket1.connection.user);
+    expect(room.admin).not.eq(socket2.connection.user);
+
+    expect(socket1.test("leaveRoom", {}).ok).eq(true);
+    expect(room.admin).eq(socket2.connection.user);
+  });
+});

@@ -52,4 +52,15 @@ describe("방 퇴장", () => {
     expect(updated.state).eq("removed");
     expect(updated.user.username).eq("guest2");
   });
+  it("방에서 퇴장한 뒤 아무도 없으면 방이 닫힙니다", () => {
+    const socket = new SocketTester(roomManager);
+    socket.login("guest1");
+
+    const room = roomManager.create("테스트", 1);
+
+    expect(socket.test("joinRoom", { uuid: room.uuid }).ok).eq(true);
+    expect(room.closed).eq(false);
+    expect(socket.test("leaveRoom", {}).ok).eq(true);
+    expect(room.closed).eq(true);
+  });
 });