Do not error out when this message already exists inside the DB. Instead, set...

Do not error out when this message already exists inside the DB. Instead, set the ID and re-attempt as an upsert.

indexedDb/impl/channels/implementation.go

@@ -435,6 +435,22 @@ func (w *wasmModel) upsertMessage(msg *Message) (uint64, error) {
 	// Store message to database
 	msgIdObj, err := impl.Put(w.db, messageStoreName, messageObj)
 	if err != nil {
+		// Do not error out when this message already exists inside
+		// the DB. Instead, set the ID and re-attempt as an upsert.
+		if msg.ID == 0 { // always error out when not an insert attempt
+			msgID, inErr := message.UnmarshalID(msg.MessageID)
+			if inErr == nil {
+				jww.WARN.Printf("upsertMessage duplicate: %+v",
+					err)
+				existingMsg, inErr := w.GetMessage(msgID)
+				if inErr == nil && existingMsg.UUID != 0 {
+					msg.ID = existingMsg.UUID
+					return w.upsertMessage(msg)
+				}
+				jww.ERROR.Printf("upsertMessage no UUID: %+v",
+					inErr)
+			}
+		}
 		return 0, errors.Errorf("Unable to put Message: %+v\n%s",
 			err, newMessageJson)
 	}