create base useranswer class

longs/models.py

@@ -38,6 +38,7 @@ from generic.models import (
     Plane,
     Contrast,
     QuestionNote,
+    CidUserAnswerBase,
     UserUserGroup,
 )
 
@@ -752,7 +753,7 @@ class Exam(ExamBase):
 
 
 @reversion.register
-class CidUserAnswer(models.Model):
+class CidUserAnswer(CidUserAnswerBase):
     """User answers by candidate"""
 
     question = models.ForeignKey(
@@ -812,11 +813,7 @@ class CidUserAnswer(models.Model):
     #    "AnswerMarks", related_name="user_answer", on_delete=models.SET_NULL, null=True, blank=True
     # )
 
-    created = models.DateTimeField(auto_now_add=True)
-    updated = models.DateTimeField(auto_now=True)
 
-    class Meta:
-        ordering = ["cid"]
 
     def __str__(self):
         try:
@@ -885,17 +882,6 @@ class CidUserAnswer(models.Model):
     def get_absolute_url(self):
         return reverse("longs:user_answer_view", kwargs={"pk": self.pk})
 
-    def get_candidate_name(self) -> str:
-        if self.cid is not None:
-            return str(self.cid)
-        else:
-            return self.user.username
-
-    def get_candidate_masked(self) -> str:
-        if self.cid is not None:
-            return str(self.cid)
-        else:
-            return str(self.user.id)
 
 
 @reversion.register