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Commit bce297a

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‎.gitignore

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node_modules
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package-lock.json

‎README.md

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# Node.js CRUD example with SQL Server (MSSQL) - Express Rest APIs and Sequelize
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For more detail, please visit:
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> [Node.js CRUD example with SQL Server (MSSQL)](https://www.bezkoder.com/node-js-sql-server-crud/)
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Front-end that works well with this Back-end
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> [Axios Client](https://www.bezkoder.com/axios-request/)
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> [Angular 8 Client](https://bezkoder.com/angular-crud-app/) / [Angular 10 Client](https://bezkoder.com/angular-10-crud-app/) / [Angular 11 Client](https://bezkoder.com/angular-11-crud-app/) / [Angular 12 Client](https://bezkoder.com/angular-12-crud-app/)
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> [Vue 2 Client](https://bezkoder.com/vue-js-crud-app/) / [Vue 3 Client](https://bezkoder.com/vue-3-crud/) / [Vuetify Client](https://bezkoder.com/vuetify-data-table-example/)
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> [React Client](https://bezkoder.com/react-crud-web-api/) / [React Redux Client](https://bezkoder.com/react-redux-crud-example/)
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More Practice:
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> [Server side Pagination in Node.js with Sequelize](https://www.bezkoder.com/node-js-sequelize-pagination-mysql/)
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> [Node.js Express File Upload Rest API example](https://www.bezkoder.com/node-js-express-file-upload/)
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> [Node.js Express File Upload with Google Cloud Storage example](https://www.bezkoder.com/google-cloud-storage-nodejs-upload-file/)
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Associations:
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> [Sequelize Associations: One-to-Many Relationship example](https://www.bezkoder.com/sequelize-associate-one-to-many/)
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> [Sequelize Associations: Many-to-Many Relationship example](https://www.bezkoder.com/sequelize-associate-many-to-many/)
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Integration (run back-end & front-end on same server/port)
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> [Integrate React with Node.js Restful Services](https://www.bezkoder.com/integrate-react-express-same-server-port/)
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> [Integrate Angular with Node.js Restful Services](https://www.bezkoder.com/integrate-angular-10-node-js/)
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> [Integrate Vue with Node.js Restful Services](https://www.bezkoder.com/serve-vue-app-express/)
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## Project setup
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```
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npm install
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```
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### Run
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```
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node server.js
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```

‎app/config/db.config.js

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module.exports = {
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HOST: "localhost",
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PORT: "1434",
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USER: "zkoder",
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PASSWORD: "123456",
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DB: "bezkoder_db",
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dialect: "mssql",
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pool: {
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max: 5,
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min: 0,
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acquire: 30000,
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idle: 10000
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}
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};

‎app/controllers/tutorial.controller.js

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const db = require("../models");
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const Tutorial = db.tutorials;
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const Op = db.Sequelize.Op;
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// Create and Save a new Tutorial
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exports.create = (req, res) => {
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// Validate request
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if (!req.body.title) {
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res.status(400).send({
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message: "Content can not be empty!"
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});
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return;
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}
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// Create a Tutorial
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const tutorial = {
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title: req.body.title,
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description: req.body.description,
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published: req.body.published ? req.body.published : false
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};
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// Save Tutorial in the database
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Tutorial.create(tutorial)
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.then(data => {
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res.send(data);
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})
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.catch(err => {
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res.status(500).send({
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message:
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err.message || "Some error occurred while creating the Tutorial."
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});
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});
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};
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// Retrieve all Tutorials from the database.
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exports.findAll = (req, res) => {
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const title = req.query.title;
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var condition = title ? { title: { [Op.like]: `%${title}%` } } : null;
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Tutorial.findAll({ where: condition })
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.then(data => {
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res.send(data);
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})
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.catch(err => {
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res.status(500).send({
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message:
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err.message || "Some error occurred while retrieving tutorials."
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});
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});
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};
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// Find a single Tutorial with an id
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exports.findOne = (req, res) => {
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const id = req.params.id;
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Tutorial.findByPk(id)
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.then(data => {
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res.send(data);
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})
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.catch(err => {
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res.status(500).send({
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message: "Error retrieving Tutorial with id=" + id
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});
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});
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};
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// Update a Tutorial by the id in the request
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exports.update = (req, res) => {
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const id = req.params.id;
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Tutorial.update(req.body, {
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where: { id: id }
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})
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.then(num => {
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if (num == 1) {
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res.send({
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message: "Tutorial was updated successfully."
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});
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} else {
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res.send({
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message: `Cannot update Tutorial with id=${id}. Maybe Tutorial was not found or req.body is empty!`
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});
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}
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})
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.catch(err => {
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res.status(500).send({
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message: "Error updating Tutorial with id=" + id
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});
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});
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};
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// Delete a Tutorial with the specified id in the request
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exports.delete = (req, res) => {
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const id = req.params.id;
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Tutorial.destroy({
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where: { id: id }
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})
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.then(num => {
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if (num == 1) {
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res.send({
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message: "Tutorial was deleted successfully!"
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});
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} else {
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res.send({
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message: `Cannot delete Tutorial with id=${id}. Maybe Tutorial was not found!`
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});
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}
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})
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.catch(err => {
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res.status(500).send({
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message: "Could not delete Tutorial with id=" + id
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});
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});
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};
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// Delete all Tutorials from the database.
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exports.deleteAll = (req, res) => {
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Tutorial.destroy({
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where: {},
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truncate: false
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})
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.then(nums => {
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res.send({ message: `${nums} Tutorials were deleted successfully!` });
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})
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.catch(err => {
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res.status(500).send({
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message:
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err.message || "Some error occurred while removing all tutorials."
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});
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});
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};
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// find all published Tutorial
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exports.findAllPublished = (req, res) => {
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Tutorial.findAll({ where: { published: true } })
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.then(data => {
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res.send(data);
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})
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.catch(err => {
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res.status(500).send({
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message:
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err.message || "Some error occurred while retrieving tutorials."
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});
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});
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};

‎app/models/index.js

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const dbConfig = require("../config/db.config.js");
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const Sequelize = require("sequelize");
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const sequelize = new Sequelize(dbConfig.DB, dbConfig.USER, dbConfig.PASSWORD, {
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host: dbConfig.HOST,
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port: dbConfig.PORT,
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dialect: dbConfig.dialect,
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pool: {
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max: dbConfig.pool.max,
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min: dbConfig.pool.min,
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acquire: dbConfig.pool.acquire,
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idle: dbConfig.pool.idle,
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},
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});
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const db = {};
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db.Sequelize = Sequelize;
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db.sequelize = sequelize;
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db.tutorials = require("./tutorial.model.js")(sequelize, Sequelize);
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module.exports = db;

‎app/models/tutorial.model.js

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module.exports = (sequelize, Sequelize) => {
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const Tutorial = sequelize.define("tutorial", {
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title: {
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type: Sequelize.STRING
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},
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description: {
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type: Sequelize.STRING
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},
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published: {
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type: Sequelize.BOOLEAN
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}
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});
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return Tutorial;
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};

‎app/routes/turorial.routes.js

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module.exports = app => {
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const tutorials = require("../controllers/tutorial.controller.js");
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var router = require("express").Router();
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// Create a new Tutorial
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router.post("/", tutorials.create);
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// Retrieve all Tutorials
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router.get("/", tutorials.findAll);
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// Retrieve all published Tutorials
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router.get("/published", tutorials.findAllPublished);
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// Retrieve a single Tutorial with id
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router.get("/:id", tutorials.findOne);
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// Update a Tutorial with id
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router.put("/:id", tutorials.update);
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// Delete a Tutorial with id
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router.delete("/:id", tutorials.delete);
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// Delete all Tutorials
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router.delete("/", tutorials.deleteAll);
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app.use('/api/tutorials', router);
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};

‎package.json

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{
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"name": "node-js-crud-sql-server",
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"version": "1.0.0",
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"description": "Node.js CRUD example with SQL Server",
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"main": "server.js",
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"keywords": [
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"node js",
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"sql server",
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"mssql",
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"crud",
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"express",
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"sequelize",
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"rest api"
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],
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"author": "bezkoder",
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"license": "ISC",
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"dependencies": {
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"cors": "^2.8.5",
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"express": "^4.17.1",
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"sequelize": "^6.6.5",
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"tedious": "^11.4.0"
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}
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}

‎server.js

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const express = require("express");
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// const bodyParser = require("body-parser"); /* deprecated */
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const cors = require("cors");
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const app = express();
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var corsOptions = {
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origin: "http://localhost:8081"
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};
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app.use(cors(corsOptions));
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// parse requests of content-type - application/json
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app.use(express.json()); /* bodyParser.json() is deprecated */
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// parse requests of content-type - application/x-www-form-urlencoded
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app.use(express.urlencoded({ extended: true })); /* bodyParser.urlencoded() is deprecated */
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const db = require("./app/models");
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db.sequelize.sync();
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// // drop the table if it already exists
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// db.sequelize.sync({ force: true }).then(() => {
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// console.log("Drop and re-sync db.");
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// });
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// simple route
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app.get("/", (req, res) => {
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res.json({ message: "Welcome to bezkoder application." });
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});
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require("./app/routes/turorial.routes")(app);
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// set port, listen for requests
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const PORT = process.env.PORT || 8080;
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app.listen(PORT, () => {
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console.log(`Server is running on port ${PORT}.`);
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});

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