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WebDeveloperGuideWebDeveloperGuide
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Added basic structure of APIs
Added basic structure of APIs
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6 files changed

+4715
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‎app/controllers/login.controller.js

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import express from 'express';
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import bcrypt from 'bcrypt';
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import jwt from 'jsonwebtoken';
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import UserModel from "../models/user.model.js";
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export const loginUser = (req,res) => {
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try {
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if (req.body && req.body.email && req.body.password) {
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UserModel.find({ email: req.body.email }, (err, data) => {
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if (data.length > 0) {
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if (bcrypt.compareSync(data[0].password, req.body.password)) {
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checkUserAndGenerateToken(data[0], req, res);
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} else {
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res.status(400).json({
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errorMessage: 'Username or password is incorrect!',
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status: false
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});
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}
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} else {
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res.status(400).json({
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errorMessage: 'Username or password is incorrect!',
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status: false
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});
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}
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})
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} else {
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res.status(400).json({
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errorMessage: 'Add proper parameter first!',
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status: false
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});
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}
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} catch (e) {
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res.status(400).json({
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errorMessage: 'Something went wrong!',
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status: false
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});
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}
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};
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function checkUserAndGenerateToken(data, req, res) {
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jwt.sign({ user: data.email, id: data._id }, 'shhhhh11111', { expiresIn: '1d' }, (err, token) => {
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if (err) {
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res.status(400).json({
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status: false,
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errorMessage: err,
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});
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} else {
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res.json({
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message: 'Login Successfully.',
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token: token,
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status: true
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});
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}
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});
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}

‎app/controllers/product.controller.js

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import ProductModel from "../models/product.model.js";
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export const getProducts = (req,res) => {
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try {
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var query = {};
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query["$and"] = [];
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query["$and"].push({
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is_delete: false,
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user_id: req.user.id
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});
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if (req.query && req.query.search) {
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query["$and"].push({
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name: { $regex: req.query.search }
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});
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}
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var perPage = 5;
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var page = req.query.page || 1;
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ProductModel.find(query, { date: 1, name: 1, id: 1, desc: 1, price: 1, discount: 1, image: 1 })
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.skip((perPage * page) - perPage).limit(perPage)
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.then((data) => {
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ProductModel.find(query).count()
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.then((count) => {
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if (data && data.length > 0) {
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res.status(200).json({
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status: true,
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title: 'Product retrived.',
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products: data,
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current_page: page,
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total: count,
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pages: Math.ceil(count / perPage),
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});
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} else {
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res.status(400).json({
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errorMessage: 'There is no product available.',
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status: false
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});
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}
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});
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}).catch(err => {
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res.status(400).json({
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errorMessage: err.message || err,
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status: false
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});
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});
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} catch (e) {
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res.status(400).json({
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errorMessage: 'Something went wrong!',
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status: false
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});
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}
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}
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export const addProduct = (req,res) => {
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try {
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if (req.body && req.body.name && req.body.price) {
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let newProduct = new ProductModel();
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newProduct.product_name = req.body.name;
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newProduct.product_description = req.body.desc;
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newProduct.price = req.body.price;
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newProduct.discount = req.body.discount;
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newProduct.user_id = req.user.id;
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newProduct.save((err, data) => {
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if (err) {
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res.status(400).json({
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errorMessage: err,
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status: false
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});
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} else {
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res.status(200).json({
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status: true,
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title: 'Product Added successfully.'
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});
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}
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});
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} else {
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res.status(400).json({
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errorMessage: 'Add proper parameter first!',
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status: false
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});
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}
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} catch (e) {
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res.status(400).json({
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errorMessage: 'Something went wrong!1212',
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status: false
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});
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}
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};
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export const updateProduct = (req,res) => {
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try {
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if (req.files && req.body && req.body.name && req.body.desc && req.body.price &&
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req.body.id && req.body.discount) {
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ProductModel.findById(req.body.id, (err, newProduct) => {
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if (req.body.name) {
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newProduct.name = req.body.name;
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}
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if (req.body.desc) {
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newProduct.desc = req.body.desc;
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}
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if (req.body.price) {
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newProduct.price = req.body.price;
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}
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if (req.body.discount) {
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newProduct.discount = req.body.discount;
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}
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newProduct.save((err, data) => {
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if (err) {
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res.status(400).json({
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errorMessage: err,
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status: false
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});
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} else {
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res.status(200).json({
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status: true,
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title: 'Product updated successfully.'
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});
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}
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});
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});
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} else {
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res.status(400).json({
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errorMessage: 'Add proper parameter first!',
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status: false
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});
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}
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} catch (e) {
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res.status(400).json({
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errorMessage: 'Something went wrong!',
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status: false
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});
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}
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}
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export const deleteProduct = (req,res) => {
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try {
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if (req.body && req.body.id) {
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ProductModel.findByIdAndUpdate(req.body.id, { is_delete: true }, { new: true }, (err, data) => {
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if (data.is_delete) {
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res.status(200).json({
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status: true,
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title: 'Product deleted successfully.'
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});
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} else {
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res.status(400).json({
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errorMessage: err,
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status: false
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});
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}
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});
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} else {
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res.status(400).json({
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errorMessage: 'Add proper parameter first!',
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status: false
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});
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}
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} catch (e) {
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res.status(400).json({
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errorMessage: 'Something went wrong!',
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status: false
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});
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}
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}

‎app/controllers/register.controller.js

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import express from 'express';
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import UserModel from "../models/user.model.js";
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export const registerUser = (req,res) => {
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try {
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if (req.body && req.body.username && req.body.password && req.body.email) {
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UserModel.find({ email: req.body.email }, (err, data) => {
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if (data.length == 0) {
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let User = new UserModel({
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username: req.body.username,
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email: req.body.email,
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password: req.body.password
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});
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User.save((err, data) => {
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if (err) {
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res.status(400).json({
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errorMessage: err,
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status: false
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});
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} else {
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res.status(200).json({
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status: true,
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title: 'User Registered Successfully.'
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});
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}
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});
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} else {
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res.status(400).json({
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errorMessage: `User with ${req.body.email} already exist!`,
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status: false
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});
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}
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});
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} else {
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res.status(400).json({
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errorMessage: 'Please fill all the fields',
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status: false
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});
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}
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} catch (e) {
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res.status(400).json({
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errorMessage: 'Something went wrong!',
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status: false
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});
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}
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};

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