added two methods to get registered beneficiaries for a customer

src/services/beneficiary.service.js

@@ -1,6 +1,7 @@
 const axios = require('axios');
 const { logger } = require('../util/logger');
 const { v4: uuidv4 } = require('uuid');
+const db = require('../config/db');
 
 async function validateWithinBank(accountNo) {
   const url = 'http://localhost:8687/kccb/cbs/acctInfo/details';
@@ -36,4 +37,33 @@ async function validateOutsideBank(accountNo, ifscCode, name) {
   }
 }
 
-module.exports = { validateWithinBank, validateOutsideBank };
+async function getSingleBeneficiary(customerNo, accountNo) {
+  const queryStr =
+    'SELECT b.account_no, b.name, b.account_type, b.ifsc_code, i.bank_name, i.branch_name FROM beneficiaries b JOIN ifsc_details i ON b.ifsc_code = i.ifsc_code WHERE customer_no = $1 AND account_no = $2';
+  const result = await db.query(queryStr, [customerNo, accountNo]);
+  return result.rows[0];
+}
+
+async function getAllBeneficiaries(customerNo) {
+  const queryStr =
+    'SELECT b.account_no, b.name, b.account_type, b.ifsc_code, i.bank_name, i.branch_name FROM beneficiaries b JOIN ifsc_details i ON b.ifsc_code = i.ifsc_code WHERE customer_no = $1';
+  const result = await db.query(queryStr, [customerNo]);
+  const list = result.rows.map((row) => {
+    return {
+      accountNo: row['account_no'],
+      name: row['name'],
+      accountType: row['account_type'],
+      ifscCdoe: row['ifsc_code'],
+      bankName: row['bank_name'],
+      branchName: row['branch_name'],
+    }
+  });
+
+  return list;
+}
+module.exports = {
+  validateWithinBank,
+  validateOutsideBank,
+  getAllBeneficiaries,
+  getSingleBeneficiary,
+};