Init

backend/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "main": "src/index.js",
+  "repository": "https://github.com/yashkasera/Urban-Thrift.git",
+  "author": "yashkasera",
+  "license": "MIT",
+  "scripts": {
+    "start": "node src/index.js",
+    "dev": "nodemon src/index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "dependencies": {
+    "dotenv": "^16.0.1",
+    "express": "^4.18.1"
+  },
+  "devDependencies": {
+    "nodemon": "^2.0.19"
+  }
+}

backend/src/app.js

@@ -0,0 +1,15 @@
+require('dotenv').config();
+const express = require('express');
+const {NotFoundError} = require("./util/error");
+const router = require("./routes");
+const errorController = require("./controller/errorController");
+const app = express();
+app.use(express.json());
+
+app.use('/api/v1', router);
+
+app.all('*', (req, res) => {
+    errorController(new NotFoundError(), req, res);
+});
+
+module.exports = app;

backend/src/controller/errorController.js

@@ -0,0 +1,9 @@
+const errorController = (err, req, res) =>
+    res.status(err.code || 400).send({
+        message: err.message || 'Something went wrong',
+        name: err.name || 'Bad Request',
+        code: err.code || 400,
+    });
+
+
+module.exports = errorController;

backend/src/index.js

@@ -0,0 +1,6 @@
+const port = process.env.PORT || 3000;
+const app = require('./app');
+
+app.listen(port, () => {
+    console.log(`Listening on port ${port}`);
+});

backend/src/model/User.js

@@ -0,0 +1,9 @@
+class User {
+    constructor(name, alias, email, password, isVerified, phoneNumber, balance, token, createdAt) {
+        this.name = name;
+        this.alias = alias;
+        this.email = email;
+        this.password = password;
+        this.isVerified = isVerified;
+    }
+}

backend/src/routes/index.js

@@ -0,0 +1,4 @@
+const express = require('express');
+const router = express.Router();
+
+module.exports = router;

backend/src/util/error.js

@@ -0,0 +1,44 @@
+class NotFoundError extends Error {
+    constructor(message) {
+        super(message);
+        this.name = 'NotFoundError';
+        this.code = 404;
+        this.message = 'The resource you are looking for is not found.';
+    }
+}
+
+class BadRequestError extends Error {
+    constructor(message) {
+        super(message);
+        this.name = 'BadRequestError';
+        this.code = 400;
+        this.message = 'The request is invalid.';
+    }
+}
+
+class AuthenticationError extends Error {
+    constructor(message) {
+        super(message);
+        this.name = 'AuthenticationError';
+        this.code = 401;
+        this.message = message || 'You are not authorized to perform this action.';
+    }
+}
+
+class ForbiddenError extends Error {
+    constructor(message) {
+        super(message);
+        this.name = 'ForbiddenError';
+        this.code = 403;
+        this.message = 'You are not authorized to perform this action.';
+    }
+}
+
+
+
+module.exports = {
+    NotFoundError,
+    BadRequestError,
+    AuthenticationError,
+    ForbiddenError,
+}