From 1ffb44fc27e79a3009fec2495ee563913cffe24c Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Sat, 1 Mar 2025 21:44:51 +0200
Subject: [PATCH] web/timeline: fix message for unknown session errors

---
 web/src/ui/timeline/content/EncryptedBody.tsx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/web/src/ui/timeline/content/EncryptedBody.tsx b/web/src/ui/timeline/content/EncryptedBody.tsx
index 4906043..70e611d 100644
--- a/web/src/ui/timeline/content/EncryptedBody.tsx
+++ b/web/src/ui/timeline/content/EncryptedBody.tsx
@@ -17,9 +17,12 @@ import EventContentProps from "./props.ts"
 import LockIcon from "../../../icons/lock.svg?react"
 import LockClockIcon from "../../../icons/lock.svg?react"
 
+const unknownSessionErrorPrefix = "failed to decrypt megolm event: no session with given ID found"
+
 const EncryptedBody = ({ event }: EventContentProps) => {
-	if (event.decryption_error) {
-		return <div className="decryption-error-body"><LockIcon/> Failed to decrypt: {event.decryption_error}</div>
+	const decryptionError = event.last_edit?.decryption_error ?? event.decryption_error
+	if (decryptionError && !decryptionError.startsWith(unknownSessionErrorPrefix)) {
+		return <div className="decryption-error-body"><LockIcon/> Failed to decrypt: {decryptionError}</div>
 	}
 	return <div className="decryption-pending-body"><LockClockIcon/> Waiting for message</div>
 }