create base useranswer class

anatomy/models.py

@@ -16,7 +16,7 @@ from sortedm2m.fields import SortedManyToManyField
 
 import string
 
-from generic.models import CidUser, CidUserGroup, ExamUserStatus, Examination, ExamBase, QuestionNote, UserUserGroup
+from generic.models import CidUser, CidUserGroup, ExamUserStatus, Examination, ExamBase, QuestionNote, CidUserAnswerBase, UserUserGroup
 
 from collections import defaultdict
 from helpers.images import image_as_base64
@@ -467,7 +467,7 @@ class Exam(ExamBase):
 
 
 @reversion.register
-class CidUserAnswer(models.Model):
+class CidUserAnswer(CidUserAnswerBase):
     """User answers by candidate"""
 
     question = models.ForeignKey(
@@ -477,12 +477,6 @@ 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, on_delete=models.CASCADE, blank=True, null=True, related_name="user_anatomy_user_answers"
     )
@@ -492,9 +486,6 @@ 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,