done products

src/controllers/ProductController.ts

@@ -1,44 +1,66 @@
 import { Request, Response } from 'express';
 import { Product } from '../schemas/productSchema';
-// import { handleCreateProductError } from '../middlewares/errorHandler';
+import { createProduct, getAllProducts, getOne } from '../models/productModel';
+import { ApiError } from '../utils/ApiError';
 
-
-export async function createProduct(req: Request, res: Response) {
+const create = async (req: Request, res: Response, next) => {
   try {
-    const product = new Product(req.body);
-    await product.save();
-    res.json(product);
-  } catch (error) {
-    console.error('Error creating product:', error);
-    // handleCreateProductError(res, error);
+    const { name, description, price } = req.body;
+    const product = await createProduct({
+      name,
+      description,
+      price,
+      userId: req.body.userId
+    });
+    if(product instanceof Error) {
+      console.log("Error in create product")
+      return next(product);
+    }
+    res.status(201).json(product);
+  } catch {
+    const error = new ApiError('Error during product creation');
+    error.statusCode = 500;
+    error.status = 'fail';
+    next(error);
   }
 }
 
-export async function listProducts(req: Request, res: Response) {
+const getAll = async (req: Request, res: Response) => {
   try {
-    const { page, limit } = req.query;
-    const dbPage = Number(page) || 0;
-    const dbLimit = Number(limit) || 50;
-    const products = await Product.find(null, 'name description price').sort({ price: 1 }).skip(Number(dbPage) * Number(dbLimit)).limit(Number(dbLimit));
-
-    res.json(products);
-  } catch (error) {
-    console.error('Error listing products:', error);
-    res.status(500).json({ error: 'An error occurred while listing the products.' });
+    const products = await getAllProducts({
+      page: Number(req.query.page),
+      limit: Number(req.query.limit)
+    });
+    if(products instanceof Error) {
+      console.log("Error in get all products")
+      return res.status(products.statusCode).json({ error: products.message });
+    }
+    res.status(200).json(products);
+  } catch {
+    const error = new ApiError('Error during product creation');
+    error.statusCode = 500;
+    error.status = 'fail';
+    res.status(error.statusCode).json({ error: error.message });
   }
 }
 
 export async function getProduct(req: Request, res: Response) {
-  const { id } = req.params;
   try {
-    const product = await Product.findById(id, 'name description price');
-    if(!product) {
-      res.status(404).json({ error: 'Product not found.' });
-      return;
+    const product = await getOne(req.params.id);
+    if(product instanceof Error) {
+      return res.status(product.statusCode).json({ error: product.message });
     }
-    res.json(product);
-  } catch (error) {
-    console.error('Error getting product:', error);
-    res.status(404).json({ error: 'Product not found.' });
+    res.status(200).json(product);
+  } catch {
+    const error = new ApiError('Error during product creation');
+    error.statusCode = 500;
+    error.status = 'fail';
+    res.status(error.statusCode).json({ error: error.message });
   }
 }
+
+export {
+  create,
+  getAll,
+  getOne
+}

src/controllers/UserController.ts

@@ -1,7 +1,6 @@
 import { Request, Response } from 'express';
 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';
 

src/index.ts

@@ -41,7 +41,6 @@ app.use('/products', productRouter);
 app.use('/cart', cartRouter);
 
 app.all('*', (req, res, next) => {
-  // res.status(404).json({ error: 'Route not found' });
   const error = new ApiError('Are you lost?');
   error.statusCode = 404;
   error.status = 'fail';

src/models/productModel.ts

@@ -0,0 +1,62 @@
+import { Product } from '../schemas/productSchema';
+import { Request, Response } from 'express';
+import { errorHandler } from '../middlewares/errorHandler';
+import { ApiError } from '../utils/ApiError';
+
+const createProduct = async (product: any) => {
+  try {
+
+    const newProduct = new Product(product);
+    const isExist = await Product.findOne({ name: product.name, userId: product.userId });
+    if(isExist) {
+      const error = new ApiError('Product already exists');
+      error.statusCode = 400;
+      error.status = 'fail';
+      return error;
+    }
+    await newProduct.save();
+    return newProduct;
+  } catch {
+    const error = new ApiError('Error during product creation');
+    error.statusCode = 500;
+    error.status = 'fail';
+    return error;
+  }
+}
+
+const getAllProducts = async (query: {
+  page: number,
+  limit: number
+}) => {
+  try {
+    const { page, limit } = query;
+    const dbPage = page || 0;
+    const dbLimit = limit || 50;
+    const products = await Product.find(null, 'name description price').sort({ price: 1 }).skip(dbPage * dbLimit).limit(dbLimit);
+    return products;
+  } catch {
+    const error = new ApiError('Error during product creation');
+    error.statusCode = 500;
+    error.status = 'fail';
+    return error;
+  }
+}
+
+const getOne = async (id: string) => {
+  try {
+    const product = await Product.findById(id, 'name description price');
+    return product;
+  } catch {
+    const error = new ApiError('Product not found');
+    error.statusCode = 404;
+    error.status = 'fail';
+    return error;
+  }
+}
+
+
+export {
+  createProduct,
+  getAllProducts,
+  getOne
+}

src/models/userModel.ts

@@ -1,10 +1,8 @@
-import { User, IUser } from "../schemas/userSchema";
+import { User } 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: any) => {
 
   if (!user.email || !user.password || !user.address) {

src/routes/productRouter.ts

@@ -1,11 +1,11 @@
 import express from 'express';
 import { authenticateToken } from '../middlewares/checkAuth';
-import { createProduct, listProducts, getProduct } from '../controllers/productController';
+import { create, getAll, getProduct } from '../controllers/productController';
 
 const productRouter = express.Router();
 
-productRouter.post('/', authenticateToken, createProduct)
-productRouter.get('/', listProducts);
+productRouter.get('/', getAll);
+productRouter.post('/', authenticateToken, create)
 productRouter.get('/:id', getProduct);