sensor and location done and some cleanupd

testing will be required

Sean/modules/otpUtils.js

@@ -0,0 +1,42 @@
+const nodemailer = require("nodemailer");
+const otpGenerator = require('otp-generator');
+const path = require('path')
+require('dotenv').config({ path: path.resolve(__dirname, '../.env') })
+
+const generateOTP = () => {
+	const otp = otpGenerator.generate(6, { upperCase: false, specialChars: false });
+	const expirationTime = Date.now() + 5 * 60 * 1000; // 5 minutes expiration
+	return { otp, expirationTime };
+  };
+const sendOTPByEmail = async (email, otp) => {
+	try {
+	  const transporter = nodemailer.createTransport({
+		service: 'gmail',
+		host: 'smtp.gmail.com',
+        port: 587, // use the appropriate port for your SMTP server
+        secure: false, // true for 465, false for other ports
+		auth: {
+		  user: process.env.euser,  // replace with your email
+		  pass: process.env.epass   // replace with your email password
+		}
+	  });
+  
+	  const mailOptions = {
+		from: process.env.euser,
+		to: email,
+		subject: 'Login OTP',
+		text: `Your OTP for login is: ${otp}`
+	  };
+  
+	  await transporter.sendMail(mailOptions);
+	  console.log('OTP sent successfully to', email);
+	} catch (error) {
+	  console.error('Error sending OTP:', error);
+	  throw error;
+	}
+  };
+
+  module.exports = {
+    generateOTP,
+    sendOTPByEmail
+  };