create base useranswer class

rapids/models.py

@@ -34,6 +34,7 @@ from generic.models import (
     #Sign,
     ExamBase,
     QuestionNote,
+    CidUserAnswerBase,
     UserUserGroup,
 )
 
@@ -768,7 +769,7 @@ class Exam(ExamBase):
 
 
 @reversion.register
-class CidUserAnswer(models.Model):
+class CidUserAnswer(CidUserAnswerBase):
     """User answers by candidate"""
 
     question = models.ForeignKey(
@@ -781,11 +782,6 @@ class CidUserAnswer(models.Model):
 
     answer_compare = models.TextField(max_length=500, blank=True)
 
-    cid = models.BigIntegerField(
-        blank=True,
-        null=True,
-        help_text="Candidate ID (limitied by BigIntegerField size)",
-    )
 
     user = models.ForeignKey(
         settings.AUTH_USER_MODEL,
@@ -800,9 +796,6 @@ class CidUserAnswer(models.Model):
         Exam, related_name="cid_user_answers", on_delete=models.CASCADE, null=True
     )
 
-    created = models.DateTimeField(auto_now_add=True)
-    updated = models.DateTimeField(auto_now=True)
-
     score = models.CharField(
         max_length=1,
         choices=Answer.MarkOptions.choices,