From 54e08e6f0c69a90e9f7dad742450b11be19cb1c9 Mon Sep 17 00:00:00 2001
From: Ayesh Almeida <ayesh9303@gmail.com>
Date: Mon, 17 Feb 2025 20:07:06 +0530
Subject: [PATCH] Refactor key constructing logic

---
 ballerina/hub_controller.bal | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/ballerina/hub_controller.bal b/ballerina/hub_controller.bal
index 48ed8fe7..10eedf6d 100644
--- a/ballerina/hub_controller.bal
+++ b/ballerina/hub_controller.bal
@@ -46,8 +46,10 @@ public isolated class Controller {
     }
 }
 
-// todo: implement this logic properly
-isolated function retrieveKey(Subscription|Unsubscription message) returns string {
-    string 'key = message.toJsonString().trim();
-    return 'key;
+isolated function retrieveKey(record {} message) returns string {
+    string[] keyValuePairs = [];
+    foreach var [_, value] in message.entries() {
+        keyValuePairs.push(string `${value.toString()}`);
+    }
+    return string:'join(":::", ...keyValuePairs);
 }