Add basic quiz functionality

tvdt/quiz/models/question.py

@@ -0,0 +1,31 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from django_stubs_ext.db.models import TypedModelMeta
+
+
+class NoActiveTestForSeason(Exception):
+    pass
+
+
+class QuizAlreadyFinished(Exception):
+    pass
+
+
+class Question(models.Model):
+    question = models.CharField(max_length=256, verbose_name=_("question"))
+    quiz = models.ForeignKey(
+        "Quiz",
+        on_delete=models.CASCADE,
+        related_name="questions",
+        verbose_name=_("quiz"),
+    )
+    enabled = models.BooleanField(default=True, verbose_name=_("enabled"))
+
+    def __str__(self) -> str:
+        return f"{self._order + 1}. {self.question} ({self.quiz}) ({self.answers.count()} answers, {self.answers.filter(is_right_answer=True).count()} correct)"
+
+    class Meta(TypedModelMeta):
+        verbose_name = _("question")
+        verbose_name_plural = _("questions")
+
+        order_with_respect_to = "quiz"