From df02ee53033d2d40c23714d03db4af487de0b39e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorben=20G=C3=BCnther?= <admin@xenrox.net>
Date: Sun, 12 Feb 2023 16:50:18 +0100
Subject: [PATCH] cache: Only cache the alert if it was published successfully

---
 main.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 35e2102..d158722 100644
--- a/main.go
+++ b/main.go
@@ -51,6 +51,8 @@ type notification struct {
 	priority    string
 	tags        string
 	silenceBody string
+	fingerprint fingerprint
+	status      string
 }
 
 func (rcv *receiver) singleAlertNotifications(p *payload) []*notification {
@@ -60,9 +62,10 @@ func (rcv *receiver) singleAlertNotifications(p *payload) []*notification {
 			rcv.logger.Debugf("Alert %s skipped: Still in cache", alert.Fingerprint)
 			continue
 		}
-		rcv.cache.set(alert.Fingerprint, status(alert.Status))
 
 		n := new(notification)
+		n.fingerprint = alert.Fingerprint
+		n.status = alert.Status
 
 		// create title
 		n.title = fmt.Sprintf("[%s]", strings.ToUpper(alert.Status))
@@ -297,6 +300,8 @@ func (rcv *receiver) handleWebhooks(w http.ResponseWriter, r *http.Request) {
 			err := rcv.publish(n)
 			if err != nil {
 				rcv.logger.Errorf("Failed to publish notification: %v", err)
+			} else {
+				rcv.cache.set(n.fingerprint, status(n.status))
 			}
 		}
 	} else {