fix(models): Don't crash when no kanidm profile exists

src/dgsi/models.py

@@ -4,6 +4,7 @@ from typing import Optional
 
 from asgiref.sync import async_to_sync
 from django.contrib.auth.models import AbstractUser
+from kanidm.exceptions import NoMatchingEntries
 from kanidm.models.person import Person
 
 from shared.kanidm import client
@@ -23,14 +24,19 @@ class User(AbstractUser):
     """
 
     @cached_property
-    def kanidm(self) -> KanidmProfile:
+    def kanidm(self) -> Optional[KanidmProfile]:
+        try:
             radius_data = async_to_sync(client.get_radius_token)(self.username).data
 
             return KanidmProfile(
                 person=async_to_sync(client.person_account_get)(self.username),
                 radius_secret=radius_data and radius_data.get("secret"),
             )
+        except NoMatchingEntries:
+            return None
 
     @property
     def is_admin(self) -> bool:
-        return ADMIN_GROUP in self.kanidm.person.memberof
+        return (self.kanidm is not None) and (
+            ADMIN_GROUP in self.kanidm.person.memberof
+        )