done refactoring User controller + UserModel

src/controllers/UserController.ts

@@ -1,90 +1,101 @@
 import { Request, Response } from 'express';
-// import { createUser } from '../models/userModel';
-import { IUser } from '../schemas/userSchema';
-import { User } from '../schemas/userSchema';
+import { createUser, loginUser, getAllUsers, deleteUser } from '../models/userModel';
+import { ApiError } from '../utils/ApiError';
 import bcrypt from 'bcryptjs';
 import jwt from 'jsonwebtoken';
 import { clearJwtCookie, setJwtCookie } from '../middlewares/checkAuth';
 
-const create = async (req: Request, res: Response) => {
+const create = async (req: Request, res: Response, next) => {
   try {
     const { email, password, address } = req.body;
-    const user = await User.create({ email, password, address });
+    const user = await createUser({
+      email,
+      password,
+      address
+    });
+    if(user instanceof ApiError) {
+      return next(user);
+    }
     res.status(201).json(user);
-  } catch(error) {
-   res.status(500).json({ error: 'An error occurred during signup' });
+  } catch {
+    const error = new ApiError('Error during user creation');
+    error.statusCode = 500;
+    error.status = 'fail';
+    next(error);
+  }
 }
 
+const login = async (req: Request, res: Response, next) => {
+  try {
+    const { email, password } = req.body;
+    const user: any = await loginUser({
+      email,
+      password
+    });
+    if(user instanceof ApiError) {
+      console.log("Error in login")
+      return res.status(user.statusCode).json({ error: user.message });
+    }
+    const payload = {
+      userId: user._id
+    }
+    // Generate a JWT
+    const token = jwt.sign(payload, process.env.JWT_SECRET as string, { expiresIn: '1d' });
+    setJwtCookie(res, token);
+    // Send the JWT as the response
+    res.status(200).json({
+      token
+    });
+  } catch {
+    const error = new ApiError('Error during user login');
+    error.statusCode = 500;
+    error.status = 'fail';
+    next(error)
+  }
 }
-// export async function login(req: Request, res: Response) {
-//   try {
-//     const { email, password } = req.body;
 
-//     // Check if the user exists
-//     const user: IUser | null = await User.findOne({ email });
-//     if (!user) {
-//       console.error('User not found');
-//       return res.status(401).json({ error: 'Invalid email or password' });
-//     }
+const logout = async (req: Request, res: Response, next) => {
+  try {
+    clearJwtCookie(res);
+    res.status(200).json({ message: 'Logout successful' });
+  } catch {
+    const error = new ApiError('Error during user logout');
+    error.statusCode = 500;
+    error.status = 'fail';
+    next(error);
+  }
+}
 
-//     // Compare the provided password with the stored password
-//     const isPasswordCorrect = await bcrypt.compare(password, user.password);
-//     if (!isPasswordCorrect) {
-//       console.error('Invalid password');
-//       return res.status(401).json({ error: 'Invalid email or password' });
-//     }
+const getAll = async (req: Request, res: Response, next) => {
+  try {
+    const users = await getAllUsers();
+    res.status(200).json(users);
+  } catch {
+    const error = new ApiError('Error during user retrieval');
+    error.statusCode = 500;
+    error.status = 'fail';
+    next(error);
+  }
+}
 
-//     const payload = {
-//       userId: user._id
-//     }
-//     // Generate a JWT
-//     const token = jwt.sign(payload, process.env.JWT_SECRET as string, { expiresIn: '1d' });
+const deleteHandler = async (req: Request, res: Response, next) => {
+  try {
+    const { id } = req.params;
+    const user = await deleteUser(id);
+    res.status(200).json(user);
+  } catch {
+    const error = new ApiError('Error during user deletion');
+    error.statusCode = 500;
+    error.status = 'fail';
+    next(error);
+  }
+}
 
-//     setJwtCookie(res, token);
 
-//     // Send the JWT as the response
-//     res.status(200).json({
-//       token
-//     });
-//   } catch (error) {
-//     console.error('Error during login:', error);
-//     res.status(500).json({ error: 'An error occurred during login' });
-//   }
-// }
-
-// export async function logout(req: Request, res: Response) {
-//   try {
-//     clearJwtCookie(res);
-//     res.status(200).json({ message: 'Logout successful' });
-//   } catch (error) {
-//     console.error('Error during logout:', error);
-//     res.status(500).json({ error: 'An error occurred during logout' });
-//   }
-// }
-
-// export async function getAllUsers(req: Request, res: Response) {
-//   try {
-//     const users = await User.find().select('-__v -password');
-//     res.status(200).json({ users });
-//   } catch (error) {
-//     console.error('Error getting all users:', error);
-//     res.status(500).json({ error: 'An error occurred while getting all users' });
-//   }
-// }
-
-// export async function deleteUser(req: Request, res: Response) {
-//   try {
-//     const { id } = req.params;
-//     const user = await User.findByIdAndDelete(id);
-//     if (!user) {
-//       return res.status(404).json({ error: 'User not found' });
-//     }
-//     res.status(200).json({ message: 'User deleted successfully' });
-//   } catch (error) {
-//     console.error('Error deleting user:', error);
-//     res.status(500).json({ error: 'An error occurred while deleting the user' });
-//   }
-// }
 export {
-  create
+  create,
+  getAll,
+  logout,
+  login,
+  deleteHandler
 }

src/index.ts

@@ -7,6 +7,8 @@ import productRouter from './routes/productRouter';
 import cartRouter from './routes/cartRouter';
 
 import { errorHandler } from './middlewares/errorHandler';
+import { ApiError } from './utils/ApiError';
+
 
 const env = require('dotenv').config().parsed;
 
@@ -40,9 +42,9 @@ app.use('/cart', cartRouter);
 
 app.all('*', (req, res, next) => {
   // res.status(404).json({ error: 'Route not found' });
-  const error = new Error('Route not found');
-  // error.statusCode = 404;
-  // error.status = 'fail';
+  const error = new ApiError('Route not found');
+  error.statusCode = 404;
+  error.status = 'fail';
   next(error)
 });
 

src/middlewares/errorHandler.ts

@@ -1,10 +1,11 @@
 const errorHandler = (error, req, res, next) => {
-  // error.statusCode = error.statusCode || 500;
-  // error.message = error.message || 'Internal server error';
-  // error.status = error.status || 'error';
-  res.status(error).json(
-    {
-      error: error.message
+  error.statusCode = error.statusCode || 500;
+  error.message = error.message || 'Internal server error';
+  error.status = error.status || 'error';
+  res.status(error.statusCode).json({
+    status: error.status,
+    statusCode: error.statusCode,
+    message: error.message
   });
   
 }

src/models/userModel.ts

@@ -1,34 +1,98 @@
-// import { User, IUser } from "../schemas/userSchema";
-// import validate from 'deep-email-validator';
+import { User, IUser } from "../schemas/userSchema";
+import validate from 'deep-email-validator';
+import { ApiError } from "../utils/ApiError";
+import { response } from "express";
+import bcrypt from 'bcryptjs';
 
 
-// const createUser = async (user: IUser) => {
+const createUser = async (user: any) => {
 
-//   if (!user.email || !user.password || !user.address) {
-//     console.log('All inputs are required')
-//   }
+  if (!user.email || !user.password || !user.address) {
+    const error = new ApiError('Missing required fields');
+    error.statusCode = 400;
+    error.status = 'fail';
+    return error;
+  }
 
-//   const { valid, reason, validators } = await validate(user.email);
-//   if (!valid) {
-//     // throw new Error(reason);
-//     console.log(reason)
+  const { valid, reason, validators } = await validate(user.email);
+  if (!valid) {
+    const error = new ApiError(reason);
+    error.statusCode = 400;
+    error.status = 'fail';
+    return error;
+  }
 
-//   }
+  const userExists = await User.exists({ email: user.email });
+  if (userExists) {
+    const error = new ApiError('User already exists, Try login :)');
+    error.statusCode = 400;
+    error.status = 'fail';
+    return error;
+  }
 
-//   const userExists = await User.exists({ email: user.email });
-//   if (userExists) {
-//     console.log('User already exists, Try login :)')
-//   }
-//   const newUser = new User(user);
-//   try {
-//     await newUser.save();
-//     return newUser;
-//   } catch (error) {
-//     return error;
-//   }
+  const salt = await bcrypt.genSalt(10);
+  user.password = await bcrypt.hash(user.password, salt);
 
-// }
+  const newUser = new User(user);
+  try {
+    await newUser.save();
+    return {
+      email: newUser.email,
+      address: newUser.address,
+    };
+  } catch (error) {
+    return error;
+  }
+}
 
-// export {
-//   createUser
-// }
+const loginUser = async (user: any) => {
+  const { email, password } = user;
+  const userExists = await User.findOne({ email });
+  if (!userExists) {
+    const error = new ApiError('Invalid email or password');
+    error.statusCode = 404;
+    error.status = 'fail';
+    return error;
+  }
+
+  const isMatch = await bcrypt.compare(password, userExists.password);
+  if(!isMatch) {
+    const error = new ApiError('Invalid email or password');
+    error.statusCode = 404;
+    error.status = 'fail';
+    return error;
+  }
+  return userExists;
+}
+
+const getAllUsers = async () => {
+  try {
+    const users = await User.find();
+    return users;
+  } catch {
+    const error = new ApiError('Error during fetching users');
+    error.statusCode = 500;
+    error.status = 'fail';
+    return error;
+  }
+}
+
+const deleteUser = async (id: string) => {
+  try {
+    const user = await User.findByIdAndDelete(id);
+    return user;
+  } catch {
+    const error = new ApiError('Error during user deletion');
+    error.statusCode = 500;
+    error.status = 'fail';
+    return error;
+  }
+}
+
+
+export {
+  createUser,
+  loginUser,
+  getAllUsers,
+  deleteUser
+}

src/routes/userRouter.ts

@@ -1,12 +1,12 @@
 import express from 'express';
-import { create } from '../controllers/userController';
+import { create, login, getAll, deleteHandler } from '../controllers/userController';
 
 const userRouter = express.Router();
 
 userRouter.post('/', create);
-// userRouter.get('/', getAllUsers);
-// userRouter.post('/login', login);
+userRouter.get('/', getAll);
+userRouter.post('/login', login);
 // userRouter.post('/logout', logout);
-// userRouter.delete('/:id', deleteUser)
+userRouter.delete('/:id', deleteHandler)
 
 export default userRouter;

src/schemas/userSchema.ts

@@ -4,8 +4,6 @@ interface IUser extends Document {
   email: string;
   password: string;
   address: string;
-  createdAt: Date;
-  updatedAt: Date;
 }
 
 const UserSchema: Schema = new Schema({

src/utils/ApiError.ts

@@ -0,0 +1,10 @@
+class ApiError extends Error {
+  statusCode: number;
+  status: string;
+
+  constructor(message: string) {
+    super(message);
+  }
+}
+
+export { ApiError };