Add basic quiz functionality

tvdt/quiz/models/given_answer.py

@@ -0,0 +1,29 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from django_stubs_ext.db.models import TypedModelMeta
+
+
+class GivenAnswer(models.Model):
+    candidate = models.ForeignKey(
+        "Candidate",
+        on_delete=models.CASCADE,
+        related_name="answers",
+        verbose_name=_("candidate"),
+    )
+    question = models.ForeignKey(
+        "Question",
+        on_delete=models.CASCADE,
+        null=True,
+        related_name="given_answers",
+        verbose_name=_("question"),
+    )
+    answer = models.ForeignKey(
+        "Answer", on_delete=models.CASCADE, verbose_name=_("answer")
+    )
+    created = models.DateTimeField(auto_now_add=True)
+
+    class Meta(TypedModelMeta):
+        unique_together = ["candidate", "question"]
+
+        verbose_name = _("given answer")
+        verbose_name_plural = _("given answers")