Basic Application setup

Author: whysosaket

application/nodemon.json

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+{
+    "watch": ["src"],
+    "ext": ".ts,.js",
+    "exec": "ts-node ./src/index.ts"
+}

application/package-lock.json

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+{
+  "name": "codeberg-application",
+  "version": "1.0.0",
+  "description": "Server for managing services for codeberg",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "cd src && npx tsc",
+    "start": "node dist/index.js",
+    "dev": "nodemon"
+  },
+  "keywords": [
+    "codeberg",
+    "coding"
+  ],
+  "author": "Saket Aryan",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/cors": "^2.8.13",
+    "@types/express": "^4.17.17",
+    "@types/jsonwebtoken": "^9.0.2",
+    "@types/lodash": "^4.14.196",
+    "nodemon": "^3.0.1",
+    "typescript": "^5.1.6"
+  },
+  "dependencies": {
+    "cors": "^2.8.5",
+    "dotenv": "^16.3.1",
+    "express": "^4.18.2",
+    "jsonwebtoken": "^9.0.1",
+    "lodash": "^4.17.21",
+    "mongoose": "^7.4.2",
+    "ts-node": "^10.9.1"
+  }
+}

application/package.json

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+import dotenv from 'dotenv';
+import mongoose from 'mongoose';
+
+dotenv.config();
+
+const MONGO_URI = process.env.MONGO as string;
+
+const connectDB = async () => {
+    try {
+        await mongoose.connect(MONGO_URI);
+        console.log('MongoDB connection SUCCESS')
+    } catch (error) {
+        console.error('MongoDB connection FAIL')
+        process.exit(1)
+    }
+}
+
+export default connectDB;

application/src/database.ts

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+import express, { Express, Request, Response } from 'express';
+import dotenv from 'dotenv';
+dotenv.config();
+
+import router from './routes';
+
+import cors from 'cors';
+import connectDB from './database';
+
+connectDB();
+
+const app: Express = express();
+const port = process.env.PORT || 9001;
+
+app.use(cors());
+app.use(express.json());
+
+app.use('/', router());
+
+app.listen(port, () => {
+  console.log(`⚡️[server]: Server is running at http://localhost:${port}`);
+});

application/src/index.ts

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+import { Request, Response, NextFunction } from 'express';
+import dotenv from 'dotenv';
+dotenv.config();
+import jwt from 'jsonwebtoken';
+import { merge } from 'lodash';
+
+const JWT_SECRET = process.env.JWT_SECRET as string;
+
+interface UserPayload {
+    user: string;
+}
+
+const fetchuser = (req: Request, res: Response, next: NextFunction)=>{
+    
+    const token:any = req.header('auth-token');
+    if(!token){
+        res.status(401).send({error: "Token Validation Error!"})
+    }
+
+    try{
+    
+    const data  = jwt.verify(token, JWT_SECRET) as UserPayload;
+    merge(req, {user: data.user});
+    
+    return next();
+    }catch(error){
+        res.status(401).send({error: "Token Validation Error!"})
+    }
+}
+
+export default fetchuser;

application/src/middlewares/fetchUser.ts

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+import { Schema, model } from "mongoose";
+
+const userSchema = new Schema({
+  name: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 32,
+    minlength: 3,
+  },
+  email: {
+    type: String,
+    required: true,
+    trim: true,
+    unique: true,
+    lowercase: true,
+  },
+  avatar: String,
+  points: { type: Number, default: 0 },
+  createdAt: { type: Date, default: Date.now },
+  batch: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 4,
+    minlength: 4,
+  },
+  program: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 50,
+    minlength: 3,
+  },
+  branch: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 50,
+    minlength: 3,
+  },
+  gender: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 6,
+    minlength: 1,
+  },
+  sectionCode: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 10,
+    minlength: 1,
+  },
+  registrationNumber: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 12,
+    minlength: 8,
+  },
+  dob: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 10,
+    minlength: 10,
+  },
+    phone: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 10,
+    minlength: 10,
+    },
+    password: {
+    type: String,
+    required: true,
+    trim: true,
+    maxlength: 255,
+    minlength: 6,
+    },
+});
+
+const UserModel = model("User", userSchema);
+
+export default UserModel;
+
+export const findUserByEmail = (email: string) => UserModel.findOne({ email });
+export const findUserByReg = (registrationNumber: string) => UserModel.findOne({ registrationNumber });

application/src/models/User.ts

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+import { Router } from "express";
+
+const router = Router();
+
+export default (): Router => {
+
+  return router;
+};

application/src/routes/index.ts

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+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "esModuleInterop": true,
+    "target": "es6",
+    "moduleResolution": "node",
+    "sourceMap": true,
+    "outDir": "dist"
+  },
+  "lib": ["es2015"]
+}