From 79c44c26f90b42ac4295a71464fc15dda73fdf7e Mon Sep 17 00:00:00 2001
From: Sameer Dev <sameerdev@gofynd.com>
Date: Thu, 27 Mar 2025 08:05:32 +0000
Subject: [PATCH] code update recorded at: 27/03/25 08:05:32

---
 handler.js | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 handler.js

diff --git a/handler.js b/handler.js
new file mode 100644
index 0000000..62d8903
--- /dev/null
+++ b/handler.js
@@ -0,0 +1,83 @@
+// BOILER_CODE_START
+
+import crypto from 'crypto'
+
+class EventNotSupportedException extends Error {
+    constructor(message) {
+        super(message);
+        this.name = 'EventNotSupportedException';
+        this.statusCode = 451;
+        this.message = message;
+    }
+}
+
+class InvalidEventPayloadException extends Error {
+    constructor(message) {
+        super(message);
+        this.statusCode = 452;
+        this.name = 'InvalidEventPayloadException';
+        this.message = message;
+    }
+}
+
+class RetryErrorException extends Error {
+    constructor(message) {
+        super(message);
+        this.statusCode = 453;
+        this.name = 'RetryErrorException';
+        this.message = message;
+    }
+}
+
+function generateSha256Hash(input) {
+    return crypto.createHash('sha256').update(input).digest('hex');
+}
+
+export const handler = async (req, res) => {
+    try {
+        const obj = req.body;
+        modifyObj(obj);
+        res.setHeader('Content-Type', 'application/json');
+        res.send(JSON.stringify(obj));
+    } catch (error) {
+        console.error(error);
+        const statusCode = error.statusCode || 500;
+        res.statusCode = statusCode;
+        res.setHeader('Content-Type', 'application/json');
+        res.send(JSON.stringify(statusCode === 500
+            ? { message: error.message }
+            : { name: error.name, message: error.message, statusCode }));
+    }
+};
+
+// BOILER_CODE_END
+
+function modifyObj(obj) {
+
+   // Check if 'properties.index' exists
+   if (obj.properties?.index) {
+      // Add a new key to indicate transformation
+      obj.properties.transformationStatus = "success";
+   } else {
+      throw new Error("'properties.index' is required but missing...");
+   }
+
+   return obj;
+}
+
+
+
+
+/* 
+Exceptions available:
+   throw new EventNotSupportedException('your message here');
+   throw new InvalidEventobjException('your message here');
+   throw new RetryErrorException('your message here');
+
+Method for generating 256 hash code for a String: 
+    let hashOfAString = generateSha256Hash(input);
+    
+*/
+
+
+