improve login and add migration script

src/controllers/AuthController.ts

@@ -1,8 +1,9 @@
 import { UserRepository } from "../repositories/UserRepository";
 import { encrypt } from "../utils/encryptionUtils";
 import { ValidationError, UnauthorizedError } from "../errors/httpErrors";
-import { UserDto } from "../dtos/UserDto";
 import { UserDtoEntityMapper } from "../mappers/UserDtoEntityMapper";
+import { LoginResponseDto } from "../dtos/LoginResponseDto";
+import { LoginRequestDto } from "../dtos/LoginRequestDto";
 
 export class AuthController {
   constructor(
@@ -10,7 +11,9 @@ export class AuthController {
     private mapper: UserDtoEntityMapper
   ) {}
 
-  async login(userName: string, password: string): Promise<{ token: string; user: UserDto }> {
+  async login(loginRequest : LoginRequestDto): Promise<LoginResponseDto> {
+    const userName :string  = loginRequest.userName;
+    const password :string = loginRequest.password;
     if (!userName || !password) {
       throw new ValidationError("Username and password are required");
     }
@@ -30,9 +33,9 @@ export class AuthController {
       role: user.role,
     });
 
-    return {
-      token,
-      user: this.mapper.toDto(user),
-    };
+    const responseDto = new LoginResponseDto();
+    responseDto.userData = this.mapper.toDto(user);
+    responseDto.token = token;
+    return responseDto;
   }
 }

src/dtos/LoginRequestDto.ts

@@ -0,0 +1,7 @@
+/**
+ * Defines a login request
+ */
+export class LoginRequestDto {
+    userName: string;
+    password: string;
+}

src/dtos/LoginResponseDto.ts

@@ -0,0 +1,9 @@
+import { UserDto } from "./UserDto";
+
+/**
+ * Response  to a successful login
+ */
+export class LoginResponseDto {
+    userData: UserDto;
+    token: string;
+}

src/endpoints/AuthPoint.ts

@@ -7,6 +7,7 @@ import {
   UnauthorizedError,
   InternalServerError,
 } from "../errors/httpErrors";
+import { LoginRequestDto } from "../dtos/LoginRequestDto";
 
 const router = Router();
 
@@ -16,9 +17,9 @@ const authController = new AuthController(userRepository, mapper);
 
 router.post("/login", async (req, res) => {
   try {
-    const { userName, password } = req.body;
-    const result = await authController.login(userName, password);
-    res.json(result);
+    const requestDto: LoginRequestDto = req.body;
+    const responseDto = await authController.login(requestDto));
+    res.json(responseDto);
   } catch (err: any) {
     if (err instanceof ValidationError || err instanceof UnauthorizedError) {
       res.status(err.statusCode).json({ error: err.message });

src/migrations/1758477574859-CreateUserTable.ts

@@ -0,0 +1,77 @@
+import { MigrationInterface, QueryRunner, Table, TableUnique } from "typeorm";
+
+export class CreateUserTable1661234567890 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.createTable(
+            new Table({
+                name: "user",
+                columns: [
+                    {
+                        name: "id",
+                        type: "uuid",
+                        isPrimary: true,
+                        isGenerated: true,
+                        generationStrategy: "uuid",
+                    },
+                    {
+                        name: "userName",
+                        type: "varchar",
+                        isNullable: false,
+                    },
+                    {
+                        name: "email",
+                        type: "varchar",
+                        isNullable: false,
+                    },
+                    {
+                        name: "password",
+                        type: "varchar",
+                        isNullable: false,
+                    },
+                    {
+                        name: "firstName",
+                        type: "varchar",
+                        isNullable: true,
+                    },
+                    {
+                        name: "lastName",
+                        type: "varchar",
+                        isNullable: true,
+                    },
+                    {
+                        name: "role",
+                        type: "varchar",
+                        default: "'user'",
+                    },
+                    {
+                        name: "createdAt",
+                        type: "timestamp",
+                        default: "now()",
+                    },
+                    {
+                        name: "updatedAt",
+                        type: "timestamp",
+                        default: "now()",
+                    },
+                ],
+            }),
+            true
+        );
+
+        // Add a unique constraint on userName
+        await queryRunner.createUniqueConstraint(
+            "user",
+            new TableUnique({
+                columnNames: ["userName"],
+                name: "UQ_user_userName",
+            })
+        );
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        // Drop the unique constraint first
+        await queryRunner.dropUniqueConstraint("user", "UQ_user_userName");
+        // Drop the table
+        await queryRunner.dropTable("user");
+    }
+}