Add basic quiz functionality

tvdt/quiz/models/season.py

@@ -0,0 +1,39 @@
+import random
+import string
+
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from django_stubs_ext.db.models import TypedModelMeta
+
+from ..helpers import generate_season_code
+
+
+class Season(models.Model):
+    name = models.CharField(max_length=64, verbose_name=_("name"))
+    active_quiz = models.ForeignKey(
+        "Quiz",
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        default=None,
+        verbose_name=_("active quiz"),
+        related_name="+",
+    )
+    season_code = models.CharField(
+        max_length=5, default=generate_season_code, verbose_name=_("season code")
+    )
+    preregister_candidates = models.BooleanField(
+        default=True, verbose_name=_("preregister candidates")
+    )
+
+    def renew_season_code(self) -> str:
+        self.season_code = generate_season_code()
+        self.save()
+        return self.season_code
+
+    def __str__(self) -> str:
+        return self.name
+
+    class Meta(TypedModelMeta):
+        verbose_name = _("season")
+        verbose_name_plural = _("seasons")