update get_or_create_cid_user_exam

generic/models.py

@@ -92,7 +92,7 @@ class Examination(models.Model):
     def __str__(self):
         return self.examination
 
-    def merge_into(self, examination_to_merge_into: Self, delete: bool=True) -> bool:
+    def merge_into(self, examination_to_merge_into: Self, delete: bool = True) -> bool:
         """Merges the current examination into another
 
         To do so it replaces all associations (many to many and foreign key relations)
@@ -452,10 +452,17 @@ class ExamCollectionGenericBase(models.Model):
         return False
 
     def get_or_create_cid_user_exam(
-        self, cid_user=None, user_user=None, start_time=None
+        self,
+        cid: int | None = None,
+        cid_user: "CidUser | None" = None,
+        user_user: User | None = None,
+        start_time=None,
     ):
         content_type = ContentType.objects.get_for_model(self)
 
+        if cid is not None:
+            cid_user = CidUser.objects.filter(cid=cid).first()
+
         if cid_user is not None:
             c = CidUserExam.objects.filter(
                 content_type=content_type, object_id=self.pk, cid_user=cid_user