From 9b3f33443c3533f168ebacd98a1119ac6999eb75 Mon Sep 17 00:00:00 2001
From: Christoph Kluge <christoph.kluge@fau.de>
Date: Tue, 13 Aug 2024 18:22:06 +0200
Subject: [PATCH] add get function without argument

---
 cmd/cc-backend/main.go                  |  2 +-
 internal/natsMessenger/natsMessenger.go | 15 +++++++++++----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/cmd/cc-backend/main.go b/cmd/cc-backend/main.go
index 29a4467..64fdccb 100644
--- a/cmd/cc-backend/main.go
+++ b/cmd/cc-backend/main.go
@@ -216,7 +216,7 @@ func main() {
 
 	// Start NATS Messenger if Config exists
 	wg.Add(1)
-	nm := natsMessenger.GetNatsMessenger(config.Keys.Nats)
+	nm := natsMessenger.StartNatsMessenger(config.Keys.Nats)
 	wg.Done()
 
 	// Start HTTP server
diff --git a/internal/natsMessenger/natsMessenger.go b/internal/natsMessenger/natsMessenger.go
index e535f2e..a69d689 100644
--- a/internal/natsMessenger/natsMessenger.go
+++ b/internal/natsMessenger/natsMessenger.go
@@ -72,8 +72,8 @@ type ReceiveEventNatsRequest struct {
 	Value     *int64  `json:"value,omitempty" example:"150"`              // Optional Value Set for Evenr, eg powercap
 }
 
-// Get Singleton
-func GetNatsMessenger(config *schema.NatsConfig) *NatsMessenger {
+// Start Singleton
+func StartNatsMessenger(config *schema.NatsConfig) *NatsMessenger {
 	// Check if Config present
 	if config == nil {
 		log.Info("No NATS config found: Skip NATS init.")
@@ -132,8 +132,15 @@ func GetNatsMessenger(config *schema.NatsConfig) *NatsMessenger {
 				}
 			})
 		log.Infof("NATS server and subscriptions on port '%d' established\n", config.Port)
-	} else {
-		log.Infof("Single NatsMessenger instance already created on port '%d'\n", config.Port)
+	}
+
+	return natsMessengerInstance
+}
+
+// Get Singleton
+func GetNatsMessenger() *NatsMessenger {
+	if natsMessengerInstance == nil {
+		log.Fatalf("NatsMessengerInstance not initialized!")
 	}
 
 	return natsMessengerInstance