refactor: Update ping response message format to include the current date and time in French locale

refactor: user CRUD & Service

.dockerignore

@@ -0,0 +1,5 @@
+node_modules
+dist
+*.log
+*.md
+.git

.env.example

@@ -1 +1,6 @@
-JWT_SECRET=
+DATABASE_URL="mysql://USER:PASS@IP:PORT/DB"
+
+AUTH_JWKS_URI=
+AUTH_USERNAME_FIELD="name"
+
+PORT=3000

.prettierrc

@@ -2,5 +2,9 @@
 	"singleQuote": false,
 	"trailingComma": "all",
 	"useTabs": true,
-	"tabWidth": 4
+	"tabWidth": 4,
+	"semi": true,
+	"bracketSpacing": true,
+	"arrowParens": "always",
+	"endOfLine": "lf"
 }

Dockerfile

@@ -0,0 +1,26 @@
+# Use the official Node.js image as the base image
+FROM node:20
+
+# Set the working directory inside the container
+WORKDIR /usr/src/app
+
+# Copy package.json and package-lock.json to the working directory
+COPY package*.json ./
+
+# Install the application dependencies
+RUN yarn install
+
+# Copy the rest of the application files
+COPY . .
+
+# Generate Prisma client
+RUN yarn prisma generate
+
+# Build the NestJS application
+RUN yarn build
+
+# Expose the application port
+EXPOSE 3000
+
+# Command to run the application
+CMD ["node", "dist/main"]

docker-compose.yml

@@ -0,0 +1,5 @@
+services:
+  api:
+    image: toogether/api
+    ports:
+      - "3000:3000"

package.json

@@ -5,39 +5,47 @@
   "license": "Apache-2.0",
   "scripts": {
     "build": "nest build",
-		"format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
+    "format": "prettier --write \"src/**/*.ts\"",
     "start": "nest start",
     "start:dev": "nest start --watch",
     "start:debug": "nest start --debug --watch",
     "start:prod": "node dist/main",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
-		"preinstall": "node -e \"if(process.env.npm_execpath.indexOf('yarn') === -1) throw new Error('You must use Yarn to install, not NPM')\""
+    "preinstall": "node -e \"if(process.env.npm_execpath.indexOf('yarn') === -1) throw new Error('You must use Yarn to install, not NPM')\"",
+    "migrate:dev": "npx prisma migrate dev",
+    "migrate:dev:create": "npx prisma migrate dev --create-only",
+    "migrate:deploy": "npx prisma migrate deploy",
+    "prisma:generate": "npx prisma generate",
+    "prisma:studio": "npx prisma studio",
+    "prisma:seed": "npx prisma db seed"
   },
   "dependencies": {
     "@nestjs/common": "^10.0.0",
     "@nestjs/config": "^3.3.0",
     "@nestjs/core": "^10.0.0",
-		"@nestjs/jwt": "^10.2.0",
     "@nestjs/mapped-types": "^2.0.6",
-		"@nestjs/passport": "^10.0.3",
     "@nestjs/platform-express": "^10.4.11",
-		"@prisma/client": "5.22.0",
+    "@nestjs/platform-socket.io": "^10.4.12",
+    "@nestjs/swagger": "^8.0.7",
+    "@nestjs/websockets": "^10.4.12",
+    "@prisma/client": "^6.0.1",
     "axios": "^1.7.7",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",
-		"passport": "^0.7.0",
-		"passport-discord": "^0.1.4",
-		"passport-jwt": "^4.0.1",
-		"prisma": "^5.22.0",
+    "joi": "^17.13.3",
+    "jsonwebtoken": "^9.0.2",
+    "jwks-rsa": "^3.1.0",
+    "nestjs-prisma": "^0.23.0",
+    "prisma": "^6.0.1",
     "reflect-metadata": "^0.2.0",
-		"rxjs": "^7.8.1"
+    "rxjs": "^7.8.1",
+    "socket.io": "^4.8.1"
   },
   "devDependencies": {
     "@nestjs/cli": "^10.0.0",
     "@nestjs/schematics": "^10.0.0",
     "@types/express": "^5.0.0",
     "@types/node": "^20.3.1",
-		"@types/passport-discord": "^0.1.14",
     "@typescript-eslint/eslint-plugin": "^8.0.0",
     "@typescript-eslint/parser": "^8.0.0",
     "eslint": "^9.0.0",

prisma/schema.prisma

@@ -1,21 +1,98 @@
-// This is your Prisma schema file,
-// learn more about it in the docs: https://pris.ly/d/prisma-schema
-
-// Looking for ways to speed up your queries, or scale easily with your serverless or edge functions?
-// Try Prisma Accelerate: https://pris.ly/cli/accelerate-init
-
 generator client {
     provider = "prisma-client-js"
 }
 
 datasource db {
-    provider = "sqlite"
+    provider = "mysql"
     url      = env("DATABASE_URL")
 }
 
 model User {
-    id       String  @id @default(cuid())
-    username String?
-    isAdmin  Boolean @default(false)
-    password String?
+    id         String   @id
+    username   String
+    role       Role     @default(STUDENT)
+    createdAt  DateTime @default(now())
+
+    Class                Class[]
+    SentMessages         UserMessage[]          @relation("SentMessages")
+    ReceivedMessages     UserMessage[]          @relation("ReceivedMessages")
+    RoomSurveyAnswerUser RoomSurveyAnswerUser[]
+}
+
+model UserMessage {
+    id      Int    @id @default(autoincrement())
+    content String
+
+    sender         User   @relation(fields: [sender_user_Id], references: [id], name: "SentMessages")
+    sender_user_Id String
+
+    receiver         User   @relation(fields: [receiver_user_Id], references: [id], name: "ReceivedMessages")
+    receiver_user_Id String
+
+    createdAt DateTime @default(now())
+}
+
+model Class {
+    id        String   @id @default(cuid())
+    name      String   @unique
+    createdAt DateTime @default(now())
+
+    ClassRoom Room[]
+    Students  User[]
+}
+
+model Room {
+    id        String         @id @default(cuid())
+    name      String
+    Class     Class[]
+    Messages  RoomMessage[]
+    Documents RoomDocument[]
+    Surveys   RoomSurvey[]
+}
+
+model RoomMessage {
+    id      Int    @id @default(autoincrement())
+    content String
+    Room    Room   @relation(fields: [roomId], references: [id])
+    roomId  String
+}
+
+model RoomDocument {
+    id      Int    @id @default(autoincrement())
+    content String
+    Room    Room   @relation(fields: [roomId], references: [id])
+    roomId  String
+}
+
+model RoomSurvey {
+    id        Int       @id @default(autoincrement())
+    content   String
+    Room      Room      @relation(fields: [roomId], references: [id])
+    roomId    String
+    createdAt DateTime  @default(now())
+    endAt     DateTime?
+
+    Answers RoomSurveyAnswer[]
+}
+
+model RoomSurveyAnswer {
+    id       Int                    @id @default(autoincrement())
+    content  String
+    Survey   RoomSurvey             @relation(fields: [surveyId], references: [id])
+    surveyId Int
+    isRight  Boolean
+    Users    RoomSurveyAnswerUser[]
+}
+
+model RoomSurveyAnswerUser {
+    id       Int              @id @default(autoincrement())
+    User     User             @relation(fields: [userId], references: [id])
+    userId   String
+    Answer   RoomSurveyAnswer @relation(fields: [answerId], references: [id])
+    answerId Int
+}
+
+enum Role {
+    STUDENT
+    ADMIN
 }

src/ApiResponses/UnauthorizedResponse.ts

@@ -0,0 +1,9 @@
+import { ApiResponseNoStatusOptions } from "@nestjs/swagger";
+
+export const UnauthorizedResponse = {
+	description: "Unauthorized",
+	example: {
+		message: "Unauthorized",
+		statusCode: 401,
+	},
+} as ApiResponseNoStatusOptions;

src/app.controller.ts

@@ -0,0 +1,15 @@
+import { Controller, Get, UseGuards } from "@nestjs/common";
+import { ApiBearerAuth } from "@nestjs/swagger";
+import { JwtAuthGuard } from "./modules/auth/guards/jwt.guard";
+
+@Controller()
+@ApiBearerAuth()
+@UseGuards(JwtAuthGuard)
+export class AppController {
+	@Get("ping")
+	pong() {
+		return {
+			message: new Date().toLocaleString("fr"),
+		};
+	}
+}

src/app.module.ts

@@ -1,24 +1,28 @@
+import env from "@Config/env";
 import { Module } from "@nestjs/common";
 import { ConfigModule } from "@nestjs/config";
-import { JwtModule } from "@nestjs/jwt";
+import { envValidation } from "@Validations/env.validation";
 
-import { AppService } from "./app.service";
-import { UserModule } from "./user/user.module";
-
-import { AuthModule } from './auth/auth.module';
+import { AuthModule } from "@Modules/auth/auth.module";
+import { UserModule } from "@Modules/user/user.module";
+import { PrismaModule } from "nestjs-prisma";
+import { AppController } from "./app.controller";
+import { ClassModule } from "./modules/class/class.module";
 
 @Module({
 	imports: [
 		ConfigModule.forRoot({
 			isGlobal: true,
+			load: [env],
+			validationSchema: envValidation,
 		}),
-		JwtModule.register({
-			global: true,
-			secret: process.env.JWT_SECRET,
+		PrismaModule.forRoot({
+			isGlobal: true,
 		}),
 		UserModule,
 		AuthModule,
+		ClassModule,
 	],
-	providers: [AppService],
+	controllers: [AppController]
 })
 export class AppModule {}

src/app.service.ts

@@ -1,10 +0,0 @@
-import { Injectable } from "@nestjs/common";
-
-@Injectable()
-export class AppService {
-	getHello() {
-		return {
-			message: "Hello World!",
-		};
-	}
-}

src/auth/Guards/discord.guard.ts

@@ -1,13 +0,0 @@
-import { Injectable, UnauthorizedException } from "@nestjs/common";
-import { AuthGuard } from "@nestjs/passport";
-
-@Injectable()
-export class DiscordAuthGuard extends AuthGuard("discord") {
-	handleRequest(err, user, info, context) {
-		if (err || !user) {
-			const errorMessage = info?.message || "Authentication failed";
-			throw new UnauthorizedException(errorMessage);
-		}
-		return user;
-	}
-}

src/auth/Guards/jwt.guard.ts

@@ -1,5 +0,0 @@
-import { Injectable } from "@nestjs/common";
-import { AuthGuard } from "@nestjs/passport";
-
-@Injectable()
-export class JwtAuthGuard extends AuthGuard("jwt") {}

src/auth/Strategy/discord.strategy.ts

@@ -1,33 +0,0 @@
-import { Injectable } from "@nestjs/common";
-import { JwtService } from "@nestjs/jwt";
-import { PassportStrategy } from "@nestjs/passport";
-import { Profile, Strategy } from "passport-discord";
-
-@Injectable()
-export class DiscordStrategy extends PassportStrategy(Strategy, "discord") {
-	constructor(private jwtService: JwtService) {
-		super({
-			clientID: process.env.DISCORD_CLIENT_ID,
-			clientSecret: process.env.DISCORD_CLIENT_SECRET,
-			callbackURL: process.env.DISCORD_CALLBACK_URL,
-			scope: ["identify", "email"]
-		});
-	}
-
-	async validate(
-		_accessToken: string,
-		_refreshToken: string,
-		profile: Profile,
-		done: Function,
-	) {
-		const jwtPayload = {
-			id: profile.id,
-			username: profile.username,
-			email: profile.email,
-		};
-
-		const jwt = this.jwtService.sign(jwtPayload);
-
-		done(null, { jwt });
-	}
-}

src/auth/Strategy/jwt.strategy.ts

@@ -1,19 +0,0 @@
-import { Injectable } from "@nestjs/common";
-import { PassportStrategy } from "@nestjs/passport";
-import { Profile } from "passport-discord";
-import { Strategy, ExtractJwt } from "passport-jwt";
-
-@Injectable()
-export class JWTStrategy extends PassportStrategy(Strategy) {
-	constructor() {
-		super({
-			jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
-			ignoreExipration: false,
-			secretOrKey: process.env.JWT_SECRET,
-		});
-	}
-
-	async validate(profile: Profile): Promise<any> {
-		return profile;
-	}
-}

src/auth/auth.controller.ts

@@ -1,37 +0,0 @@
-import { Controller, Get, Query, Req, Res, UseGuards } from "@nestjs/common";
-import { URLSearchParams } from "node:url";
-import { JwtAuthGuard } from "./Guards/jwt.guard";
-import { DiscordAuthGuard } from "./Guards/discord.guard";
-
-@Controller("auth")
-export class AuthController {
-	@Get("providers")
-	Providers() {
-		const discordOauth2Params = new URLSearchParams({
-			client_id: process.env.DISCORD_CLIENT_ID,
-			response_type: "code",
-			redirect_uri: process.env.DISCORD_CALLBACK_URL,
-			scope: "identify email",
-		});
-
-		return {
-			discord: {
-				url: `https://discord.com/oauth2/authorize?${discordOauth2Params.toString()}`,
-			},
-		};
-	}
-
-	@Get("discord/callback")
-	@UseGuards(DiscordAuthGuard)
-	CallbackDiscord(@Req() req, @Res() res) {
-		const { user } = req;
-
-		res.send(user);
-	}
-
-	@Get("profile")
-	@UseGuards(JwtAuthGuard)
-	Profile(@Req() req) {
-		return req.user;
-	}
-}

src/auth/auth.module.ts

@@ -1,12 +0,0 @@
-import { Module } from "@nestjs/common";
-import { AuthController } from "./auth.controller";
-import { AuthService } from "./auth.service";
-
-import { DiscordStrategy } from "./Strategy/discord.strategy";
-import { JWTStrategy } from "./Strategy/jwt.strategy";
-
-@Module({
-	controllers: [AuthController],
-	providers: [AuthService, DiscordStrategy, JWTStrategy],
-})
-export class AuthModule {}

src/auth/auth.service.ts

@@ -1,4 +0,0 @@
-import { Injectable } from "@nestjs/common";
-
-@Injectable()
-export class AuthService {}

src/config/env.ts

@@ -0,0 +1,6 @@
+export default () => ({
+	auth: {
+		jwksURL: process.env.AUTH_JWKS_URI,
+		usernameField: process.env.AUTH_USERNAME_FIELD
+	},
+});

src/interfaces/jwtPayload.ts

@@ -0,0 +1,3 @@
+export interface JwtPayload {
+	id: string;
+}

src/interfaces/oauth2.ts

@@ -0,0 +1,6 @@
+export interface Oauth2Profile {
+	id?: string;
+	sub?: string;
+
+	email: string;
+}

src/main.ts

@@ -1,6 +1,12 @@
-import { NestFactory } from "@nestjs/core";
+import {
+	ClassSerializerInterceptor,
+	HttpStatus,
+	ValidationPipe,
+} from "@nestjs/common";
+import { HttpAdapterHost, NestFactory, Reflector } from "@nestjs/core";
+import { DocumentBuilder, SwaggerModule } from "@nestjs/swagger";
+import { PrismaClientExceptionFilter } from "nestjs-prisma";
 import { AppModule } from "./app.module";
-import { ValidationPipe } from "@nestjs/common";
 
 async function bootstrap() {
 	const app = await NestFactory.create(AppModule);
@@ -9,8 +15,45 @@ async function bootstrap() {
 		origin: "*",
 	});
 
+	const { httpAdapter } = app.get(HttpAdapterHost);
+	app.useGlobalFilters(
+		new PrismaClientExceptionFilter(httpAdapter, {
+			P2000: {
+				errorMessage: "A required field is missing",
+				statusCode: HttpStatus.BAD_REQUEST,
+			},
+			P2002: {
+				errorMessage:
+					"A ressource with the same unique fields already exists",
+				statusCode: HttpStatus.CONFLICT,
+			},
+			P2025: {
+				errorMessage: "The requested ressource does not exist",
+				statusCode: HttpStatus.NOT_FOUND,
+			},
+		}),
+	);
+
 	app.useGlobalPipes(new ValidationPipe());
 
+	app.useGlobalInterceptors(
+		new ClassSerializerInterceptor(app.get(Reflector), {
+			excludeExtraneousValues: true,
+		}),
+	);
+
+	const config = new DocumentBuilder()
+		.setTitle("Toogether API")
+		.addBearerAuth()
+		.build();
+	const documentFactory = () => SwaggerModule.createDocument(app, config);
+	SwaggerModule.setup("documentation", app, documentFactory, {
+		swaggerOptions: {
+			tryItOutEnabled: true,
+			persistAuthorization: true,
+		},
+	});
+
 	await app.listen(process.env.PORT ?? 3000, "0.0.0.0");
 }
 bootstrap();

src/modules/auth/auth.module.ts

@@ -0,0 +1,8 @@
+import { Module } from "@nestjs/common";
+import { AuthService } from "./auth.service";
+
+@Module({
+	providers: [AuthService],
+	exports: [AuthService],
+})
+export class AuthModule {}

src/modules/auth/auth.service.ts

@@ -0,0 +1,49 @@
+import { Injectable, UnauthorizedException } from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import * as jwt from "jsonwebtoken";
+import JwksRsa, * as jwksRsa from "jwks-rsa";
+
+@Injectable()
+export class AuthService {
+	private jwksClient: JwksRsa.JwksClient;
+
+	constructor(configService: ConfigService) {
+		this.jwksClient = jwksRsa({
+			jwksUri: configService.get<string>("AUTH_JWKS_URI"),
+			cache: true,
+			rateLimit: true,
+			jwksRequestsPerMinute: 10,
+		});
+	}
+
+	async getSigningKey(kid: string): Promise<string> {
+		const key = await this.jwksClient.getSigningKey(kid);
+		return key.getPublicKey();
+	}
+
+	decodeJwt(token: string) {
+		return jwt.decode(token, { complete: true });
+	}
+
+	verifyJwt(token: string, key: string) {
+		return jwt.verify(token, key, {
+			algorithms: ["RS256"],
+		});
+	}
+
+	async checkToken(token: string): Promise<jwt.JwtPayload> {
+		const decodedHeader = this.decodeJwt(token);
+		const kid = decodedHeader?.header?.kid;
+
+		if (!kid) throw "Token kid not found";
+
+		const key = await this.getSigningKey(kid);
+
+		const jwtPayload = this.verifyJwt(token, key);
+
+		if (typeof jwtPayload == "string")
+			throw new UnauthorizedException("Invalid token");
+
+		return jwtPayload;
+	}
+}

src/modules/auth/decorators/roles.decorator.ts

@@ -0,0 +1,4 @@
+import { SetMetadata } from "@nestjs/common";
+import { $Enums } from "@prisma/client";
+
+export const Roles = (roles: $Enums.Role[]) => SetMetadata("roles", roles);

src/modules/auth/guards/jwt.guard.ts

@@ -0,0 +1,55 @@
+import { UserService } from "@/modules/user/user.service";
+import {
+	CanActivate,
+	ExecutionContext,
+	Injectable,
+	UnauthorizedException,
+} from "@nestjs/common";
+import { AuthService } from "../auth.service";
+import { ConfigService } from "@nestjs/config";
+
+@Injectable()
+export class JwtAuthGuard implements CanActivate {
+	constructor(
+		private readonly userService: UserService,
+		private readonly authService: AuthService,
+		private readonly configService: ConfigService,
+	) {}
+
+	async canActivate(context: ExecutionContext): Promise<boolean> {
+		const request = context.switchToHttp().getRequest();
+		const token = this.extractTokenFromHeader(request);
+
+		if (!token) {
+			throw new UnauthorizedException("No token provided");
+		}
+
+		try {
+			const jwtPayload = await this.authService.checkToken(token);
+
+			let user = await this.userService.findOrCreate({
+				id: jwtPayload.sub.toString(),
+				username:
+					jwtPayload[this.configService.get("auth.usernameField")],
+			});
+
+			request.user = user;
+
+			return true;
+		} catch (err) {
+			throw new UnauthorizedException(`Invalid token: ${err.message}`);
+		}
+	}
+
+	private extractTokenFromHeader(request: any): string | null {
+		const authHeader = request.headers["authorization"];
+		if (!authHeader) return null;
+
+		const parts = authHeader.split(" ");
+		if (parts.length !== 2 || parts[0] !== "Bearer") {
+			return null;
+		}
+
+		return parts[1];
+	}
+}

src/modules/auth/guards/role.guard.ts

@@ -0,0 +1,45 @@
+import {
+	Injectable,
+	CanActivate,
+	ExecutionContext,
+	ForbiddenException,
+	UnauthorizedException,
+} from "@nestjs/common";
+import { Reflector } from "@nestjs/core";
+import { Request } from "express";
+
+@Injectable()
+export class RolesGuard implements CanActivate {
+	constructor(private readonly reflector: Reflector) {}
+
+	canActivate(context: ExecutionContext): boolean {
+		const RolesHandler = this.reflector.get<string[]>(
+			"roles",
+			context.getHandler(),
+		);
+		const RolesClass = this.reflector.get<string[]>(
+			"roles",
+			context.getClass(),
+		);
+
+		if (!RolesHandler && !RolesClass) return true;
+
+		const request = context.switchToHttp().getRequest() as Request;
+		const user = request.user;
+		
+		if (!user) throw new ForbiddenException("User not authenticated");
+
+		const hasRoleHandler =
+				RolesHandler?.some((role) => user.role?.includes(role)) ??
+				false,
+			hasRoleClass =
+				RolesClass?.some((role) => user.role?.includes(role)) ?? false;
+
+		if (hasRoleHandler) return true;
+		else if (hasRoleClass) return true;
+		else
+			throw new UnauthorizedException(
+				`User doesn't have the right role, expected: ${RolesHandler ?? RolesClass}`,
+			);
+	}
+}

src/modules/class/ApiResponses/ClassResponse.ts

@@ -0,0 +1,40 @@
+import { ApiResponseNoStatusOptions } from "@nestjs/swagger";
+import { ClassEntity } from "../entities/class.entity";
+
+export const ClassResponse = {
+	type: ClassEntity,
+	examples: {
+		example: {
+			summary: "A class",
+			value: {
+				id: "1",
+				name: "Sigyn",
+				createdAt: new Date(),
+			} as ClassEntity,
+		},
+	},
+} as ApiResponseNoStatusOptions;
+
+export const ClassesResponse = {
+	type: ClassEntity,
+	isArray: true,
+	examples: {
+		example: {
+			summary: "A list of classes",
+			value: [
+				{ id: "1", name: "Sigyn", createdAt: new Date() },
+				{ id: "2", name: "Loki", createdAt: new Date() },
+			] as ClassEntity[],
+		},
+	},
+} as ApiResponseNoStatusOptions;
+
+export const ClassCountResponse = {
+    description: "The class count",
+    examples: {
+        example: {
+            summary: "A count of classes",
+            value: { count: 2 },
+        },
+    },
+} as ApiResponseNoStatusOptions;

src/modules/class/class.controller.ts

@@ -0,0 +1,102 @@
+import { UnauthorizedResponse } from "@/ApiResponses/UnauthorizedResponse";
+import {
+	Body,
+	Controller,
+	Delete,
+	Get,
+	Param,
+	Patch,
+	Post,
+	Query,
+	UseGuards,
+} from "@nestjs/common";
+import {
+	ClassCountResponse,
+	ClassesResponse,
+	ClassResponse,
+} from "./ApiResponses/ClassResponse";
+import { ClassService } from "./class.service";
+
+import { CreateClassDto } from "./dto/create-class.dto";
+import { UpdateClassDto } from "./dto/update-class.dto";
+
+import { Roles } from "@/modules/auth/decorators/roles.decorator";
+import { JwtAuthGuard } from "@/modules/auth/guards/jwt.guard";
+import { RolesGuard } from "@/modules/auth/guards/role.guard";
+import {
+	ApiBearerAuth,
+	ApiOkResponse,
+	ApiOperation,
+	ApiQuery,
+	ApiUnauthorizedResponse,
+} from "@nestjs/swagger";
+import { ClassEntity } from "./entities/class.entity";
+
+@Controller("class")
+@UseGuards(RolesGuard)
+@UseGuards(JwtAuthGuard)
+@ApiBearerAuth()
+@Roles(["ADMIN"])
+@ApiUnauthorizedResponse(UnauthorizedResponse)
+export class ClassController {
+	constructor(private readonly classService: ClassService) {}
+
+	@Post()
+	@ApiOkResponse(ClassResponse)
+	@ApiOperation({ summary: "Create a new class" })
+	async create(@Body() createClassDto: CreateClassDto) {
+		return await this.classService.create(createClassDto).then((class_) => {
+			return new ClassEntity(class_);
+		});
+	}
+
+	@Get()
+	@ApiOkResponse(ClassesResponse)
+	@ApiOperation({ summary: "Get all classes" })
+	async findAll() {
+		return await this.classService
+			.findAll({})
+			.then((classes) =>
+				classes.map((class_) => new ClassEntity(class_)),
+			);
+	}
+
+	@Get(":id")
+	@ApiOkResponse(ClassResponse)
+	@ApiOperation({ summary: "Get a class by id" })
+	async findOne(@Param("id") id: string) {
+		return await this.classService
+			.findOne(id)
+			.then((class_) => new ClassEntity(class_));
+	}
+
+	@Patch(":id")
+	@ApiOkResponse(ClassResponse)
+	@ApiOperation({ summary: "Update a class by id" })
+	async update(
+		@Param("id") id: string,
+		@Body() updateClassDto: UpdateClassDto,
+	) {
+		return await this.classService
+			.update(id, updateClassDto)
+			.then((class_) => new ClassEntity(class_));
+	}
+
+	@Delete(":id")
+	@ApiOkResponse(ClassResponse)
+	@ApiOperation({ summary: "Remove a class by id" })
+	async remove(@Param("id") id: string) {
+		return await this.classService
+			.remove(id)
+			.then((class_) => new ClassEntity(class_));
+	}
+
+	@Delete()
+	@ApiOkResponse(ClassCountResponse)
+	@ApiOperation({ summary: "Remove multiple classes by ids" })
+	@ApiQuery({ name: "ids", required: true, type: [String] })
+	async bulkRemove(@Query("ids") ids: string | string[]) {
+		if (typeof ids === "string") ids = [ids];
+		return await this.classService.bulkRemove(ids);
+	}
+}

src/modules/class/class.module.ts

@@ -0,0 +1,11 @@
+import { Module } from "@nestjs/common";
+import { ClassService } from "./class.service";
+import { ClassController } from "./class.controller";
+import { UserModule } from "../user/user.module";
+
+@Module({
+	imports: [UserModule],
+	controllers: [ClassController],
+	providers: [ClassService],
+})
+export class ClassModule {}

src/modules/class/class.service.ts

@@ -0,0 +1,57 @@
+import { Injectable } from "@nestjs/common";
+import { CreateClassDto } from "./dto/create-class.dto";
+import { UpdateClassDto } from "./dto/update-class.dto";
+import { PrismaService } from "nestjs-prisma";
+import { Prisma } from "@prisma/client";
+
+@Injectable()
+export class ClassService {
+	constructor(private readonly prisma: PrismaService) {}
+
+	async create(createClassDto: CreateClassDto) {
+		return await this.prisma.class.create({ data: createClassDto });
+	}
+
+	async findAll({
+		skip,
+		take,
+		cursor,
+		where,
+		orderBy,
+	}: {
+		skip?: number;
+		take?: number;
+		cursor?: Prisma.ClassWhereUniqueInput;
+		where?: Prisma.ClassWhereInput;
+		orderBy?: Record<string, unknown>;
+	}) {
+		return await this.prisma.class.findMany({
+			skip,
+			take,
+			cursor,
+			where,
+			orderBy,
+		});
+	}
+
+	async findOne(id: string) {
+		return await this.prisma.class.findUniqueOrThrow({ where: { id } });
+	}
+
+	async update(id: string, updateClassDto: UpdateClassDto) {
+		return await this.prisma.class.update({
+			where: { id },
+			data: updateClassDto,
+		});
+	}
+
+	async remove(id: string) {
+		return await this.prisma.class.delete({ where: { id } });
+	}
+
+	async bulkRemove(ids: string[]) {
+		return await this.prisma.class.deleteMany({
+			where: { id: { in: ids } },
+		});
+	}
+}

src/modules/class/dto/create-class.dto.ts

@@ -0,0 +1,8 @@
+import { ApiProperty } from "@nestjs/swagger";
+import { IsString } from "class-validator";
+
+export class CreateClassDto {
+	@IsString()
+	@ApiProperty()
+	name: string;
+}

src/modules/class/dto/update-class.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from "@nestjs/swagger";
+import { CreateClassDto } from "./create-class.dto";
+
+export class UpdateClassDto extends PartialType(CreateClassDto) {}

src/modules/class/entities/class.entity.ts

@@ -0,0 +1,21 @@
+import { ApiProperty, ApiSchema } from "@nestjs/swagger";
+import { Expose } from "class-transformer";
+
+@ApiSchema({ name: "Class" })
+export class ClassEntity {
+	@Expose()
+	@ApiProperty()
+	id: string;
+
+	@Expose()
+	@ApiProperty()
+	name: string;
+
+	@Expose()
+	@ApiProperty()
+	createdAt: Date;
+
+	constructor(partial: Partial<ClassEntity>) {
+		Object.assign(this, partial);
+	}
+}

src/modules/user/ApiResponses/UserReponse.ts

@@ -0,0 +1,41 @@
+import { ApiResponseNoStatusOptions } from "@nestjs/swagger";
+import { UserEntity } from "../entities/user.entity";
+
+export const UserResponse = {
+    type: UserEntity,
+    description: "The user has been successfully found.",
+    examples: {
+        example: {
+            summary: "A user example",
+            value: {
+                id: "1",
+                role: "ADMIN",
+                username: "admin",
+            } as UserEntity,
+        },
+    },
+} as ApiResponseNoStatusOptions;
+
+export const UsersResponse = {
+	type: UserEntity,
+	isArray: true,
+	examples: {
+		example: {
+			summary: "A list of users",
+			value: [
+				{ id: "1", role: "ADMIN", username: "admin" },
+				{ id: "2", role: "STUDENT", username: "student" },
+			] as UserEntity[],
+		},
+	},
+} as ApiResponseNoStatusOptions;
+
+export const UserCountResponse = {
+    description: "The users count",
+    examples: {
+        example: {
+            summary: "A count of users",
+            value: { count: 2 },
+        },
+    },
+} as ApiResponseNoStatusOptions;

src/modules/user/dto/create-user.dto.ts

@@ -0,0 +1,17 @@
+import { ApiProperty } from "@nestjs/swagger";
+import { Role } from "@prisma/client";
+import { IsString } from "class-validator";
+
+export class CreateUserDTO {
+	@IsString()
+	@ApiProperty()
+	id: string;
+
+	@IsString()
+	@ApiProperty()
+	username: string;
+
+	@IsString()
+	@ApiProperty()
+	role: Role;
+}

src/modules/user/dto/update-user.dto.ts

@@ -0,0 +1,5 @@
+import { PartialType } from "@nestjs/mapped-types";
+
+import { CreateUserDTO } from "./create-user.dto";
+
+export class UpdateUserDTO extends PartialType(CreateUserDTO) {}

src/modules/user/entities/user.entity.ts

@@ -0,0 +1,22 @@
+import { ApiProperty, ApiSchema } from "@nestjs/swagger";
+import { $Enums } from "@prisma/client";
+import { Expose } from "class-transformer";
+
+@ApiSchema({ name: "User" })
+export class UserEntity {
+	@Expose()
+	@ApiProperty()
+	id: string;
+
+	@Expose()
+	@ApiProperty()
+	username: string;
+
+	@Expose()
+	@ApiProperty()
+	role: $Enums.Role;
+
+	constructor(partial: Partial<UserEntity>) {
+		Object.assign(this, partial);
+	}
+}

src/modules/user/user.controller.ts

@@ -0,0 +1,94 @@
+import { UnauthorizedResponse } from "@/ApiResponses/UnauthorizedResponse";
+import { Roles } from "@/modules/auth/decorators/roles.decorator";
+import { JwtAuthGuard } from "@/modules/auth/guards/jwt.guard";
+import { RolesGuard } from "@/modules/auth/guards/role.guard";
+import {
+	Body,
+	Controller,
+	Delete,
+	Get,
+	Param,
+	Patch,
+	Query,
+	UseGuards
+} from "@nestjs/common";
+import {
+	ApiBearerAuth,
+	ApiOkResponse,
+	ApiOperation,
+	ApiParam,
+	ApiQuery,
+	ApiUnauthorizedResponse
+} from "@nestjs/swagger";
+import {
+	UserCountResponse,
+	UserResponse,
+	UsersResponse,
+} from "./ApiResponses/UserReponse";
+import { UpdateUserDTO } from "./dto/update-user.dto";
+import { UserEntity } from "./entities/user.entity";
+import { UserService } from "./user.service";
+
+@Controller("user")
+@UseGuards(RolesGuard)
+@UseGuards(JwtAuthGuard)
+@ApiBearerAuth()
+@Roles(["ADMIN"])
+@ApiUnauthorizedResponse(UnauthorizedResponse)
+export class UserController {
+	constructor(private readonly userService: UserService) {}
+
+	@Get()
+	@ApiOkResponse(UsersResponse)
+	@ApiOperation({ summary: "Get all users" })
+	async findAll(): Promise<UserEntity[]> {
+		return await this.userService
+			.findAll()
+			.then((users) => users.map((user) => new UserEntity(user)));
+	}
+
+	@Get(":id")
+	@ApiOkResponse(UserResponse)
+	@ApiOperation({ summary: "Get user by id" })
+	async findOne(@Param("id") id: string): Promise<UserEntity> {
+		return this.userService
+			.findOne(id)
+			.then((user) => new UserEntity(user));
+	}
+
+	@Patch(":id")
+	@ApiOkResponse(UserResponse)
+	@ApiOperation({ summary: "Update user by id" })
+	async update(
+		@Param("id") id: string,
+		@Body() updateUserDto: UpdateUserDTO,
+	): Promise<UserEntity> {
+		return this.userService
+			.update(id, updateUserDto)
+			.then((user) => new UserEntity(user));
+	}
+
+	@Delete(":id")
+	@ApiOkResponse(UserResponse)
+	@ApiOperation({ summary: "Delete user by id" })
+	@ApiParam({
+		name: "id",
+		type: String,
+		description: "The user id",
+		example: "1",
+	})
+	async remove(@Param("id") id: string): Promise<UserEntity> {
+		return this.userService.remove(id).then((user) => new UserEntity(user));
+	}
+
+	@Delete()
+	@ApiOkResponse(UserCountResponse)
+	@ApiOperation({ summary: "Delete users by ids" })
+	@ApiQuery({ name: "ids", required: true, type: [String] })
+	bulkRemove(@Query("ids") ids: string | string[]): Promise<{
+		count: number;
+	}> {
+		if (typeof ids === "string") ids = [ids];
+		return this.userService.bulkRemove(ids);
+	}
+}

src/modules/user/user.gateway.ts

@@ -0,0 +1,62 @@
+import {
+	OnGatewayConnection,
+	OnGatewayDisconnect,
+	SubscribeMessage,
+	WebSocketGateway,
+	WebSocketServer,
+	WsResponse,
+} from "@nestjs/websockets";
+import { Server, Socket } from "socket.io";
+import { AuthService } from "../auth/auth.service";
+import { UserService } from "./user.service";
+import { ConfigService } from "@nestjs/config";
+
+@WebSocketGateway()
+export class UserGateway implements OnGatewayConnection, OnGatewayDisconnect {
+	constructor(
+		private readonly authService: AuthService,
+		private readonly userService: UserService,
+		private readonly configService: ConfigService,
+	) {}
+
+	@WebSocketServer() io: Server;
+
+	public clients: Socket[] = [];
+
+	async handleConnection(client: Socket) {
+		const token = client.handshake.headers.authorization;
+
+		try {
+			var jwtPayload = await this.authService.checkToken(token);
+
+			if (!jwtPayload) throw "Invalid token";
+		} catch (error) {
+			client.emit("auth", error);
+			return client.disconnect();
+		}
+
+		const user = await this.userService.findOrCreate({
+			id: jwtPayload.sub.toString(),
+			username: jwtPayload[this.configService.get("auth.usernameField")],
+		});
+
+		if (!user) {
+			client.emit("auth", "User not found");
+			return client.disconnect();
+		}
+
+		client.request.user = user;
+
+		this.clients.push(client);
+	}
+
+	handleDisconnect(client: Socket) {
+		this.clients = this.clients.filter((c) => c.id !== client.id);
+	}
+
+	@SubscribeMessage("message")
+	sendMessage(_client: Socket, message: string): WsResponse<unknown> {
+		this.io.emit("message", message);
+		return null;
+	}
+}

src/modules/user/user.module.ts

@@ -0,0 +1,14 @@
+import { Module } from "@nestjs/common";
+import { PrismaService } from "nestjs-prisma";
+
+import { AuthService } from "@Modules/auth/auth.service";
+import { UserController } from "./user.controller";
+import { UserGateway } from "./user.gateway";
+import { UserService } from "./user.service";
+
+@Module({
+	providers: [UserService, AuthService, PrismaService, UserGateway],
+	controllers: [UserController],
+	exports: [UserService, AuthService],
+})
+export class UserModule {}

src/modules/user/user.service.ts

@@ -0,0 +1,96 @@
+import { Injectable } from "@nestjs/common";
+import { Prisma } from "@prisma/client";
+import { PrismaService } from "nestjs-prisma";
+
+import { CreateUserDTO } from "./dto/create-user.dto";
+import { UpdateUserDTO } from "./dto/update-user.dto";
+
+@Injectable()
+export class UserService {
+	constructor(private readonly prisma: PrismaService) {}
+
+	async findAll({
+		skip,
+		take,
+		cursor,
+		where,
+		orderBy,
+	}: {
+		skip?: number;
+		take?: number;
+		cursor?: Prisma.UserWhereUniqueInput;
+		where?: Prisma.UserWhereInput;
+		orderBy?: Record<string, unknown>;
+	} = {}) {
+		return await this.prisma.user.findMany({
+			skip,
+			take,
+			cursor,
+			where,
+			orderBy,
+		});
+	}
+
+	async findOne(id: string) {
+		return await this.prisma.user.findUniqueOrThrow({
+			where: { id },
+		});
+	}
+
+	async findOrCreate({ id, username }: { id: string; username: string }) {
+		let user = await this.prisma.user.findFirst({
+			where: {
+				id,
+				username,
+			},
+		});
+
+		if (!user) {
+			const isFirstUser = (await this.prisma.user.count()) === 0;
+
+			user = await this.prisma.user.create({
+				data: {
+					id,
+					username,
+					role: isFirstUser ? "ADMIN" : "STUDENT",
+				},
+			});
+		}
+
+		return user;
+	}
+
+	async create(createUserDto: CreateUserDTO) {
+		return await this.prisma.user.create({
+			data: {
+				id: createUserDto.id,
+				username: createUserDto.username,
+			},
+		});
+	}
+
+	async update(id: string, updateUserInput: UpdateUserDTO) {
+		return await this.prisma.user.update({
+			where: { id },
+			data: {
+				username: updateUserInput.username,
+			},
+		});
+	}
+
+	async remove(id: string) {
+		return await this.prisma.user.delete({
+			where: { id },
+		});
+	}
+
+	async bulkRemove(ids: string[]) {
+		return await this.prisma.user.deleteMany({
+			where: {
+				id: {
+					in: ids,
+				},
+			},
+		});
+	}
+}

src/prisma/prisma.service.ts

@@ -1,9 +0,0 @@
-import { Injectable, OnModuleInit } from "@nestjs/common";
-import { PrismaClient } from "@prisma/client";
-
-@Injectable()
-export class PrismaService extends PrismaClient implements OnModuleInit {
-	async onModuleInit() {
-		await this.$connect();
-	}
-}

src/types/http.d.ts

@@ -0,0 +1,9 @@
+import { UserEntity } from "@/modules/user/entities/user.entity";
+import { User } from "@prisma/client";
+import { IncomingMessage } from "http";
+
+declare module "http" {
+	interface IncomingMessage {
+		user?: UserEntity;
+	}
+}

src/user/dto/create-user.input.ts

@@ -1,9 +0,0 @@
-import { IsBoolean, IsString } from "class-validator";
-
-export class CreateUserInput {
-	@IsString()
-	username: string;
-
-	@IsBoolean()
-	isAdmin: boolean;
-}

src/user/dto/setpassword-user.input.ts

@@ -1,9 +0,0 @@
-import { IsString } from "class-validator";
-
-export class SetUserPasswordInput {
-    @IsString()
-    id: string;
-
-    @IsString()
-	password: string;
-}

src/user/dto/update-user.input.ts

@@ -1,12 +0,0 @@
-import { PartialType } from "@nestjs/mapped-types";
-import { IsString } from "class-validator";
-
-import { CreateUserInput } from "./create-user.input";
-
-export class UpdateUserInput extends PartialType(CreateUserInput) {
-	@IsString()
-	id: string;
-
-	@IsString()
-	username: string;
-}

src/user/user.controller.ts

@@ -1,34 +0,0 @@
-import {
-	Body,
-	Controller,
-	Delete,
-	Get,
-	Param,
-	Post,
-	UseGuards,
-} from "@nestjs/common";
-import { UserService } from "./user.service";
-
-import { JwtAuthGuard } from "src/auth/Guards/jwt.guard";
-import { CreateUserInput } from "./dto/create-user.input";
-
-@Controller("user")
-@UseGuards(JwtAuthGuard)
-export class UserController {
-	constructor(private readonly userService: UserService) {}
-
-	@Post()
-	create(@Body() createUserInput: CreateUserInput) {
-		return this.userService.create(createUserInput);
-	}
-
-	@Get()
-	findAll() {
-		return this.userService.findAll();
-	}
-
-	@Delete(":id")
-	removeUser(@Param("id") id: string) {
-		return this.userService.remove(id);
-	}
-}

src/user/user.entity.ts

@@ -1,12 +0,0 @@
-import { Exclude } from "class-transformer";
-
-export class UserEntity {
-	id: string;
-    
-	username: string;
-
-	isAdmin: boolean;
-
-	@Exclude()
-	password: string;
-}

src/user/user.module.ts

@@ -1,12 +0,0 @@
-import { Module } from "@nestjs/common";
-
-import { UserService } from "./user.service";
-
-import { PrismaService } from "src/prisma/prisma.service";
-import { UserController } from './user.controller';
-
-@Module({
-	providers: [UserService, PrismaService],
-	controllers: [UserController]
-})
-export class UserModule {}

src/user/user.service.ts

@@ -1,77 +0,0 @@
-import { Injectable, NotFoundException } from "@nestjs/common";
-import { plainToClass } from "class-transformer";
-import { PrismaService } from "src/prisma/prisma.service";
-
-import { CreateUserInput } from "./dto/create-user.input";
-import { UpdateUserInput } from "./dto/update-user.input";
-import { SetUserPasswordInput } from "./dto/setpassword-user.input";
-import { UserEntity } from "./user.entity";
-
-@Injectable()
-export class UserService {
-	constructor(private readonly prisma: PrismaService) {}
-
-	async create(createUserInput: CreateUserInput) {
-		const user = await this.prisma.user.create({
-			data: {
-				username: createUserInput.username,
-				isAdmin: createUserInput.isAdmin,
-			},
-		});
-
-		return plainToClass(UserEntity, user);
-	}
-
-	async update(updateUserInput: UpdateUserInput) {
-		const user = await this.prisma.user.update({
-			where: { id: updateUserInput.id },
-			data: {
-				username: updateUserInput.username,
-				isAdmin: updateUserInput.isAdmin,
-			},
-		});
-
-		return plainToClass(UserEntity, user);
-	}
-
-	async setPassword(setUserPasswordInput: SetUserPasswordInput) {
-		const exist = await this.prisma.user.findUnique({
-			where: { id: setUserPasswordInput.id },
-		});
-		if (!exist) throw new NotFoundException("User not found");
-
-		const user = await this.prisma.user.update({
-			where: { id: setUserPasswordInput.id },
-			data: {
-				password: setUserPasswordInput.password,
-			},
-		});
-
-		return plainToClass(UserEntity, user);
-	}
-
-	async findAll() {
-		const users = await this.prisma.user.findMany();
-
-		return users.map((user) => plainToClass(UserEntity, user));
-	}
-
-	async findOne(id: string) {
-		const user = await this.prisma.user.findUnique({
-			where: { id },
-		});
-
-		return plainToClass(UserEntity, user);
-	}
-
-	async remove(id: string) {
-		const exist = await this.prisma.user.findUnique({ where: { id } });
-		if (!exist) throw new NotFoundException("User not found");
-
-		const user = await this.prisma.user.delete({
-			where: { id },
-		});
-
-		return plainToClass(UserEntity, user);
-	}
-}

src/validations/env.validation.ts

@@ -0,0 +1,10 @@
+import * as Joi from "joi";
+
+export const envValidation = Joi.object({
+	DATABASE_URL: Joi.string().required(),
+
+	AUTH_JWKS_URI: Joi.string().uri().required(),
+	AUTH_USERNAME_FIELD: Joi.string().required(),
+
+	PORT: Joi.number().optional(),
+});

tsconfig.build.json

@@ -1,4 +1,10 @@
 {
   "extends": "./tsconfig.json",
-	"exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
+  "exclude": [
+    "node_modules",
+    "test",
+    "dist",
+    "**/*spec.ts",
+    "prisma"
+  ]
 }

tsconfig.json

@@ -9,7 +9,15 @@
 		"target": "ES2021",
 		"sourceMap": true,
 		"outDir": "./dist",
-		"baseUrl": "./",
+		"baseUrl": "./src",
+		"typeRoots": ["./src/types/*.d.ts"],
+		"paths": {
+			"@/*": ["*"],
+			"@Modules/*": ["modules/*"],
+			"@Interfaces/*": ["interfaces/*"],
+			"@Config/*": ["config/*"],
+			"@Validations/*": ["validations/*"]
+		},
 		"incremental": true,
 		"skipLibCheck": true,
 		"strictNullChecks": false,