OTP binding

.gitignore

@@ -1,2 +1,3 @@
 node_modules/
+.vscode/
 .env

src/app.js

@@ -17,3 +17,4 @@ app.use((err, _req, res, _next) => {
 });
 
 module.exports = app;
+

src/controllers/neft.controller.js

@@ -30,6 +30,8 @@ async function send(
       'API call failed: ' + (error.response?.data?.message || error.message)
     );
   }
+  
+  
 }
 
 module.exports = { send };

src/controllers/otp.controller.js

@@ -0,0 +1,98 @@
+
+const { setJson, getJson } = require('../config/redis');
+const { generateOTP } = require('../otpgenerator');
+const { logger } = require('../util/logger');
+const axios = require('axios');
+const templates = require('../util/sms_template');
+
+// Send OTP
+async function SendOtp(req, res) {
+  const { mobileNumber, type, amount, beneficiary, ifsc, acctFrom, acctTo, ref, date } = req.body;
+
+  if (!mobileNumber || !type) {
+    return res.status(400).json({ error: 'Mobile number and type are required' });
+  }
+
+  try {
+    const otp = generateOTP(6);
+    let message;
+
+    // Pick template based on type
+    switch (type) {
+      case 'IMPS':
+        message = templates.IMPS(otp);
+        break;
+      case 'NEFT':
+        message = templates.NEFT(otp, amount, beneficiary);
+        break;
+      case 'RTGS':
+        message = templates.RTGS(otp, amount, beneficiary);
+        break;
+      case 'BENEFICIARY_ADD':
+        message = templates.BENEFICIARY_ADD(otp, beneficiary, ifsc);
+        break;
+      case 'BENEFICIARY_SUCCESS':
+        message = templates.BENEFICIARY_SUCCESS(beneficiary);
+        break;
+      case 'NOTIFICATION':
+        message = templates.NOTIFICATION(acctFrom, acctTo, amount, ref, date);
+        break;
+      case 'FORGOT_PASSWORD':
+        message = templates.FORGOT_PASSWORD(otp);
+        break;
+      default:
+        return res.status(400).json({ error: 'Invalid OTP type' });
+    }
+
+    // Call SMS API
+    const response = await axios.post('http://localhost:9999/api/SendtoMessage', {
+      mobileNumber,
+      stMessage: message,
+    });
+
+    if (response.data) {
+      // Save OTP only if it's OTP based (skip notifications without OTP)
+      if (message.includes('OTP')) {
+        await setJson(`otp:${mobileNumber}`, otp, 300);
+      }
+
+      logger.info(`Sent OTP [${otp}] for type [${type}] to ${mobileNumber}`);
+    }
+
+    return res.status(200).json({ message: 'Message sent successfully' });
+
+  } catch (err) {
+    logger.error(err, 'Error sending OTP');
+    return res.status(500).json({ error: 'Internal server error' });
+  }
+}
+
+
+// Verify OTP
+async function VerifyOtp(req, res) {
+  const { mobileNumber } = req.query;
+  const {otp} =req.body
+
+  if (!mobileNumber || !otp) {
+    return res.status(400).json({ error: 'Phone number and OTP are required' });
+  }
+
+  try {
+    const storedOtp = await getJson(`otp:${mobileNumber}`);
+
+    if (!storedOtp) {
+      return res.status(400).json({ error: 'OTP expired or not found' });
+    }
+
+    if (parseInt(otp, 10) !== parseInt(storedOtp, 10)) {
+      return res.status(400).json({ error: 'Invalid OTP' });
+    }
+
+    return res.status(200).json({ message: 'OTP verified successfully' });
+  } catch (err) {
+    logger.error(err, 'Error verifying OTP');
+    return res.status(500).json({ error: 'Internal server error' });
+  }
+}
+
+module.exports = { SendOtp, VerifyOtp };

src/otpgenerator.js

@@ -0,0 +1,12 @@
+
+function generateOTP(length) {
+    const digits = '0123456789';
+    let otp = '';
+    otp += digits[Math.floor(Math.random() * 9) + 1]; // first digit cannot be zero
+    for (let i = 1; i < length; i++) {
+        otp += digits[Math.floor(Math.random() * digits.length)];
+    }
+    return otp;
+}
+
+module.exports = { generateOTP };

src/routes/index.js

@@ -8,6 +8,7 @@ const beneficiaryRoute = require('./beneficiary.route');
 const neftRoute = require('./neft.route');
 const rtgsRoute = require('./rtgs.route');
 const { npciResponse } = require('../controllers/npci.controller');
+const otp = require('./otp.route');
 
 const router = express.Router();
 
@@ -19,5 +20,6 @@ router.use('/payment/neft', authenticate, neftRoute);
 router.use('/payment/rtgs', authenticate, rtgsRoute);
 router.use('/beneficiary', authenticate, beneficiaryRoute);
 router.use('/npci/beneficiary-response', npciResponse);
+router.use('/otp', otp);
 
 module.exports = router;

src/routes/otp.route.js

@@ -0,0 +1,13 @@
+
+const express = require('express');
+const otpController = require('../controllers/otp.controller');
+
+const router = express.Router();
+
+// Send OTP (POST request with body)
+router.post('/send', otpController.SendOtp);
+
+// Verify OTP (GET request with query params ?mobileNumber=xxx&otp=123456)
+router.post('/verify', otpController.VerifyOtp);
+
+module.exports = router;

src/util/sms_template.js

@@ -0,0 +1,23 @@
+const templates = {
+  IMPS: (otp) => `Dear Customer, Please complete the fund transfer with OTP ${otp} -KCCB`,
+
+  NEFT: (otp, amount, beneficiary) => 
+    `Dear Customer, Please complete the NEFT of Rs.${amount} to ${beneficiary} with OTP:${otp} -KCCB`,
+
+  RTGS: (otp, amount, beneficiary) => 
+    `Dear Customer, Please complete the RTGS of Rs.${amount} to ${beneficiary} with OTP:${otp} -KCCB`,
+
+  BENEFICIARY_ADD: (otp, beneficiary, ifsc) => 
+    `Dear Customer, You have added beneficiary ${beneficiary} ${ifsc} for NEFT/RTGS. Please endorse the beneficiary with OTP ${otp} -KCCB`,
+
+  BENEFICIARY_SUCCESS: (beneficiary) => 
+    `Dear Customer, Your Beneficiary: ${beneficiary} for Net Banking is added successfully -KCCB`,
+
+  NOTIFICATION: (acctFrom, acctTo, amount, ref, date) => 
+    `Your A/c ${acctFrom} is debited for Rs. ${amount} to the credit of A/c ${acctTo} thru Net Banking - ref: ${ref} - ${date} - Kangra Central Co-Operative Bank -KCCB`,
+
+  FORGOT_PASSWORD: (otp) => 
+    `Dear Customer, Forgot Password OTP is ${otp} -KCCB`,
+};
+
+module.exports = templates;