Fix Backend State Sensor returning null

src/CHANGELOG.md

@@ -1,3 +1,8 @@
+## v1.8.18
+### 🐛 Bug Fixes:
+
+- Fix Backend State Sensor returning `null`
+
 ## v1.8.17
 ### 🚀 Features:
 

src/config.yaml

@@ -1,6 +1,6 @@
 name: "Volvo2Mqtt"
 description: "Volvo AAOS MQTT bridge"
-version: "1.8.17"
+version: "1.8.18"
 slug: "volvo2mqtt"
 init: false
 url: "https://github.com/Dielee/volvo2mqtt"

src/const.py

@@ -1,6 +1,6 @@
 from config import settings
 
-VERSION = "v1.8.17"
+VERSION = "v1.8.18"
 
 OAUTH_URL = "https://volvoid.eu.volvocars.com/as/token.oauth2"
 VEHICLES_URL = "https://api.volvocars.com/connected-vehicle/v2/vehicles"

src/volvo.py

@@ -328,9 +328,16 @@ def get_backend_status():
     response = session.get(API_BACKEND_STATUS, timeout=15)
     try:
         data = response.json()
-        backend_status = data["message"] if util.keys_exists(data, "message") else "No warnings"
+        if util.keys_exists(data, "message"):
+            if data["message"]:
+                backend_status = data["message"]
+            else:
+                backend_status = "NO_WARNING"
+        else:
+            backend_status = "NO_WARNING"
+
     except JSONDecodeError as e:
-        backend_status = "No warnings"
+        backend_status = "NO_WARNING"
     return backend_status