lint errors

back/volume/package-lock.json

@@ -28,7 +28,7 @@
         "@types/express": "^4.17.13",
         "@types/express-session": "^1.17.6",
         "@types/multer": "^1.4.7",
-        "@types/node": "^16.0.0",
+        "@types/node": "^16.18.14",
         "@types/passport": "^1.0.12",
         "@types/ws": "^8.5.3",
         "bcrypt": "^5.1.0",
@@ -2336,9 +2336,9 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "16.18.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.18.3.tgz",
-      "integrity": "sha512-jh6m0QUhIRcZpNv7Z/rpN+ZWXOicUUQbSoWks7Htkbb9IjFQj4kzcX/xFCkjstCj5flMsN8FiSvt+q+Tcs4Llg=="
+      "version": "16.18.14",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.18.14.tgz",
+      "integrity": "sha512-wvzClDGQXOCVNU4APPopC2KtMYukaF1MN/W3xAmslx22Z4/IF1/izDMekuyoUlwfnDHYCIZGaj7jMwnJKBTxKw=="
     },
     "node_modules/@types/parse-json": {
       "version": "4.0.0",
@@ -12716,9 +12716,9 @@
       }
     },
     "@types/node": {
-      "version": "16.18.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.18.3.tgz",
-      "integrity": "sha512-jh6m0QUhIRcZpNv7Z/rpN+ZWXOicUUQbSoWks7Htkbb9IjFQj4kzcX/xFCkjstCj5flMsN8FiSvt+q+Tcs4Llg=="
+      "version": "16.18.14",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.18.14.tgz",
+      "integrity": "sha512-wvzClDGQXOCVNU4APPopC2KtMYukaF1MN/W3xAmslx22Z4/IF1/izDMekuyoUlwfnDHYCIZGaj7jMwnJKBTxKw=="
     },
     "@types/parse-json": {
       "version": "4.0.0",

back/volume/package.json

@@ -40,7 +40,7 @@
     "@types/express": "^4.17.13",
     "@types/express-session": "^1.17.6",
     "@types/multer": "^1.4.7",
-    "@types/node": "^16.0.0",
+    "@types/node": "^16.18.14",
     "@types/passport": "^1.0.12",
     "@types/ws": "^8.5.3",
     "bcrypt": "^5.1.0",

back/volume/src/chat/chat.gateway.ts

@@ -37,7 +37,7 @@ export class ChatGateway implements OnGatewayConnection, OnGatewayDisconnect {
 
   async handleConnection (socket: Socket) {
     try {
-      const user: User = await this.userService.findUser(socket.data.user.ftId)
+      const user: User | null = await this.userService.findUser(socket.data.user.ftId)
       if (!user) {
         socket.emit('Error', new UnauthorizedException())
         // socket.disconnect();
@@ -62,10 +62,12 @@ export class ChatGateway implements OnGatewayConnection, OnGatewayDisconnect {
   async onCreateChannel (
     socket: Socket,
     @MessageBody() channeldto: CreateChannelDto
-  ): Promise<Channel> {
+  ): Promise<Channel | null> {
     const channel = new Channel()
     channel.name = channeldto.name
     const owner = await this.userService.findUser(channeldto.owner)
+    if (!owner) 
+      return null;
     channel.owners.push(owner)
     channel.password = channeldto.password
     /// ...///
@@ -96,7 +98,9 @@ export class ChatGateway implements OnGatewayConnection, OnGatewayDisconnect {
     const channel = await this.chatService.getChannel(
       createdMessage.channel.id
     )
-    const users = await this.userService.findOnlineInChannel(channel)
+    if (channel) {
+      const users = await this.userService.findOnlineInChannel(channel)
+    }
     /// TODO:  Send message to users
   }
 }

back/volume/src/main.ts

@@ -11,7 +11,7 @@ import * as cookieParser from 'cookie-parser'
 async function bootstrap () {
   const logger = new Logger()
   const app = await NestFactory.create<NestExpressApplication>(AppModule)
-  const port = process.env.BACK_PORT
+  const port = process.env.BACK_PORT!
   const cors = {
     origin: ['http://localhost:80', 'http://localhost', '*'],
     methods: 'GET, HEAD, PUT, PATCH, POST, DELETE, OPTIONS',
@@ -24,7 +24,7 @@ async function bootstrap () {
     session({
       resave: false,
       saveUninitialized: false,
-      secret: process.env.JWT_SECRET
+      secret: process.env.JWT_SECRET!
     })
   )
   app.use(cookieParser())
@@ -32,7 +32,7 @@ async function bootstrap () {
   app.use(passport.session())
   app.enableCors(cors)
   app.useWebSocketAdapter(new WsAdapter(app))
-  await app.listen(port)
-  logger.log(`Application listening on port ${port}`)
+    await app.listen(port)
+    logger.log(`Application listening on port ${port}`)
 }
 bootstrap()

back/volume/src/users/users.controller.ts

@@ -44,13 +44,13 @@ export class UsersController {
   }
 
   @Get(':id')
-  async getUserById (@Param('id', ParseIntPipe) ftId: number): Promise<User> {
+  async getUserById (@Param('id', ParseIntPipe) ftId: number): Promise<User | null> {
     return await this.usersService.findUser(ftId)
   }
 
   @Get()
   @UseGuards(AuthenticatedGuard)
-  async getUser (@FtUser() profile: Profile): Promise<User> {
+  async getUser (@FtUser() profile: Profile): Promise<User | null> {
     return await this.usersService.findUser(profile.id)
   }
 
@@ -114,12 +114,13 @@ export class UsersController {
     return await this.usersService.addAvatar(profile.id, file.filename)
   }
 
-  @Get('avatar')
-  async getAvatar (
-  @FtUser() profile: Profile,
+  @Get(':id/avatar')
+  async getAvatarById (
+    @Param('id', ParseIntPipe) ftId: number,
     @Res({ passthrough: true }) response: Response
   ) {
-    const user = await this.usersService.findUser(profile.id)
+    const user = await this.usersService.findUser(ftId)
+    if (!user) return
     const filename = user.avatar
     const stream = createReadStream(join(process.cwd(), 'avatars/' + filename))
     response.set({
@@ -128,4 +129,12 @@ export class UsersController {
     })
     return new StreamableFile(stream)
   }
+
+  @Get('avatar')
+  async getAvatar (
+  @FtUser() profile: Profile,
+    @Res({ passthrough: true }) response: Response
+  ) {
+    return await this.getAvatarById(profile.id, response);
+  }
 }

back/volume/src/users/users.service.ts

@@ -44,8 +44,9 @@ export class UsersService {
       .getMany()
   }
 
-  async update (ftId: number, changes: UserDto) {
+  async update (ftId: number, changes: UserDto):Promise < User | null> {
     const updatedUser = await this.findUser(ftId)
+    if (!updatedUser) return null
     this.usersRepository.merge(updatedUser, changes)
     return await this.usersRepository.save(updatedUser)
   }
@@ -56,13 +57,14 @@ export class UsersService {
     })
   }
 
-  async getFriends (ftId: number) {
+  async getFriends (ftId: number): Promise< User[] >{
     const user = await this.usersRepository.findOne({
       where: { ftId },
       relations: {
         friends: true
       }
     })
+    if (!user) return []
     return user.friends
   }
 
@@ -73,11 +75,13 @@ export class UsersService {
         followers: true
       }
     })
+    if (!user) return null
     return user.followers
   }
 
   async invit (ftId: number, targetFtId: number) {
     const user = await this.findUser(ftId)
+    if (!user) return null
     const target = await this.findUser(targetFtId)
     if (target == null) {
       return new NotFoundException(