If no owner availability is given, assume avail for full event

AKModel/models.py

@@ -1006,7 +1006,8 @@ class AKSlot(models.Model):
             ak_time_constraints = []
 
         def _owner_time_constraints(owner: AKOwner):
-            if Availability.is_event_covered(self.event, owner.availabilities.all()):
+            owner_avails = owner.availabilities.all()
+            if not owner_avails or Availability.is_event_covered(self.event, owner_avails):
                 return []
             return [f"availability-person-{owner.pk}"]
 

AKModel/tests/test_json_export.py

@@ -479,6 +479,10 @@ class JSONExportTest(TestCase):
 
                     for owner in slot.ak.owners.all():
                         # restricted owner availability
+                        if not owner.availabilities.all():
+                            # no availability for owner -> assume full event is covered
+                            continue
+
                         if not Availability.is_event_covered(
                             slot.event, owner.availabilities.all()
                         ):