Node.js and QR Codes: Crafting Cutting-Edge Solutions for Digital Engagement

Introduction

The integration of QR codes into digital platforms has become increasingly popular, revolutionizing how businesses and consumers interact in various sectors. This article will guide you through creating a RESTful API using Node.js that not only generates QR codes for discount codes but also validates them, providing a versatile tool for a range of applications.

Requirements

• Node.js and npm
• MongoDB
• Familiarity with Node.js, Express, and Mongoose

Step 1: Project Setup

Begin by setting up a basic Node.js project:

mkdir qr-code-api
cd qr-code-api
npm init -y
npm install express mongoose qrcode

Step 2: Defining Mongoose Schemas

Create Code and User models using Mongoose for MongoDB integration.

Code Schema (models/code.js)

const mongoose = require('mongoose');

const codeSchema = new mongoose.Schema({
  code: { type: String, required: true },
  isUsed: { type: Boolean, default: false }
});

module.exports = mongoose.model('Code', codeSchema);