migarate exam_user_status

generic/models.py

@@ -1074,14 +1074,16 @@ class ExamUserStatus(models.Model):
     object_id = models.PositiveIntegerField()
     exam = GenericForeignKey("content_type", "object_id")
 
+    cid_user_exam = models.ForeignKey("CidUserExam", blank=True, null=True, on_delete=models.SET_NULL)
+
     def __str__(self):
-        self.cid_user: "CidUser"
-        if self.cid_user:
-            user = self.cid_user.cid
-            email = self.cid_user.email
+        self.cid_user_exam: "CidUserExam"
+        if self.cid_user_exam.cid_user:
+            user = self.cid_user_exam.cid_user.cid
+            email = self.cid_user_exam.cid_user.email
             return f"{self.datetime:%Y-%m-%d %H:%M:%S}: [CID] {user} ({email}) - {self.status} ({self.extra})"
         else:
-            user = self.user_user.username
+            user = self.cid_user_exam.user_user.username
             return f"{self.datetime:%Y-%m-%d %H:%M:%S}: [USER] {user} - {self.status} ({self.extra})"
 
 
@@ -1440,7 +1442,7 @@ class CidUserExam(models.Model):
         else:
             end_time = f"{ self.end_time:%Y-%m-%d %H:%M }"
 
-        return f"{user}: {start_time} {end_time}"
+        return f"{self.exam} / {user}: {start_time} {end_time}"
 
 
 CID_GROUP_EXAMS = (