backend: initial setup

backend/index.js

@@ -1,3 +1,13 @@
 const express = require("express");
+const { router } = require('./routes/index');
+const cors = require("cors");
+const app = express();
+app.use(express.json());
 
+app.use(cors());
+
+app.use('/api/v1', router);
+app.listen(3001, () => {
+    console.log('Server is running on port 3001');
+})
 

backend/model/User.js

@@ -0,0 +1,74 @@
+const mongoose = require('mongoose');
+const { Schema } = mongoose;
+const uniqueValidator = require("mongoose-unique-validator");
+const bcrypt = require('bcrypt');
+
+
+const userSchema = new Schema({
+    mobileNumber: {
+        type: String,
+        required: true,
+        unique: true,
+        trim: true,
+        minlength: 10,
+        maxlength: 10,
+    },
+    email: {
+        type: String,
+        required: true,
+        unique: true,
+        lowercase: true,
+        trim: true,
+        match: /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/
+    },
+    password: {
+        type: String,
+        required: true,
+        minlength: 8
+    },
+    firstName: {
+        type: String,
+        required: true,
+        trim: true
+    },
+    lastName: {
+        type: String,
+        required: true,
+        trim: true
+    },
+    createdAt: {
+        type: Date,
+        default: Date.now(),
+    },
+    updatedAt: {
+        type: Date,
+        default: Date.now()
+    }
+});
+
+// Virtual field for full name
+userSchema.virtual('fullName').get(function () {
+    return `${this.firstName} ${this.lastName}`
+});
+
+// This is a pre-defined middleware for userSchema. 
+// This middleware will be executed before save() operation is
+// performed on any document using this schema.
+userSchema.pre('save', async function (next) {
+    if (this.isModified('passoword')) {
+        const salt = await bcrypt.genSalt(10);
+        this.password = await bcrypt.hash(this.password, salt);
+    }
+    next();
+})
+
+
+//Plugin for unique validation
+
+userSchema.plugin(uniqueValidator, { message: '{PATH} must be unique.' })
+
+
+const User = mongoose.model('User', userSchema);
+
+module.exports = User;
+