Implemented user registration feature with input validation, password…

… hashing, and database integration

package.json

@@ -19,6 +19,7 @@
     "@types/express-winston": "^4.0.0",
     "@types/swagger-jsdoc": "^6.0.4",
     "@types/swagger-ui-express": "^4.1.6",
+    "bcrypt": "^5.1.1",
     "cors": "^2.8.5",
     "dotenv": "^16.4.5",
     "express": "^4.19.2",
@@ -42,6 +43,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.1.1",
+    "@types/bcrypt": "^5.0.2",
     "@types/body-parser": "^1.19.5",
     "@types/cors": "^2.8.17",
     "@types/dotenv": "^8.2.0",

src/controllers/index.ts

@@ -1,6 +1,7 @@
 import { Request, Response } from 'express';
 import {OrmConfig} from '../configs/db_config';
 import { User } from '../entity/User';
+import bcrypt from 'bcrypt';
 // export all controllers
 function myFunction (): void {
   console.log('Hello');
@@ -26,14 +27,15 @@ const registerUser = async (req: Request, res: Response) => {
     return res.status(400).json({ error: 'Email already in use' });
   }
 
-  // TODO: Hash password
+  const saltRounds = 10;
+  const hashedPassword = await bcrypt.hash(password, saltRounds);
 
   // Create user
   const user = new User();
   user.firstName = firstName;
   user.lastName = lastName;
   user.email = email;
-  user.password = password; // Replace with hashed password
+  user.password = hashedPassword; // Replace with hashed password
   user.userType = userType;
 
   // Save user

src/entity/User.ts

@@ -0,0 +1,29 @@
+import {
+    Entity,
+    PrimaryGeneratedColumn,
+    Column,
+    Unique,
+  } from 'typeorm';
+
+  @Entity()
+  @Unique(['email'])
+  export class User {
+    @PrimaryGeneratedColumn()
+    id!: number;
+
+    @Column()
+    firstName!: string;
+
+    @Column()
+    lastName!: string;
+
+    @Column()
+    email!: string;
+
+    @Column()
+    password!: string;
+
+    @Column({ default: "User"} )
+    userType!: string;
+  }
+