💚 FIX CI build by adding better errorhandling

src/sdg/utils/context_processors.py

@@ -2,6 +2,8 @@
 
 from sdg.conf.utils import org_type_cfg
 from sdg.producten.models import NotificationViewed, ProductVersie
+from django.utils.timezone import now
+from dateutil.relativedelta import relativedelta
 
 
 def settings(request):
@@ -31,13 +33,25 @@ def settings(request):
 def has_new_notifications(request):
     if request.user and request.user.is_anonymous is not True:
         # Get the user's NotificationViewed instance
-        notification_viewed = NotificationViewed.objects.get(gebruiker=request.user)
+        try:
+            notification_viewed = NotificationViewed.objects.get(gebruiker=request.user)
+        except NotificationViewed.DoesNotExist:
+            notification_viewed = None
+
+
+        # Get the last_viewed_date from data
+        try:
+            last_viewed_date = notification_viewed.last_viewed_date
+        except AttributeError:
+            # default last_viewed_date is 12 months ago
+            last_viewed_date = now() - relativedelta(months=12)
+
 
         # Get the latest product version after the last_viewed_date else None.
         latest_notification = (
             ProductVersie.objects.filter(
                 product__referentie_product=None,
-                gewijzigd_op__gt=notification_viewed.last_viewed_date,
+                gewijzigd_op__gt=last_viewed_date,
             )
             .order_by("-gewijzigd_op")
             .first()