Add MusicGameAnswer model with unique constraints and ordering

game/migrations/0018_musicgameanswer.py

@@ -0,0 +1,60 @@
+# Generated by Django 5.2.3 on 2025-06-15 09:56
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("game", "0017_youtubecredentials_title"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="MusicGameAnswer",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("order", models.PositiveIntegerField()),
+                (
+                    "answer",
+                    models.ForeignKey(
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="+",
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+                (
+                    "game",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE, to="game.musikgame"
+                    ),
+                ),
+                (
+                    "player",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+            ],
+            options={
+                "ordering": ["order"],
+                "constraints": [
+                    models.UniqueConstraint(
+                        fields=("game", "player", "order"), name="unique_answer"
+                    )
+                ],
+            },
+        ),
+    ]

game/models.py

@@ -111,3 +111,20 @@ class MusicGameOrder(models.Model):
             models.UniqueConstraint(fields=("game", "order"), name="unique_order"),
         ]
         ordering = ["order"]
+
+
+class MusicGameAnswer(models.Model):
+    game = models.ForeignKey(MusikGame, on_delete=models.CASCADE)
+    player = models.ForeignKey(User, on_delete=models.CASCADE)
+    order = models.PositiveIntegerField()
+    answer = models.ForeignKey(
+        User, on_delete=models.SET_NULL, null=True, related_name="+"
+    )
+
+    class Meta:
+        constraints = [
+            models.UniqueConstraint(
+                fields=("game", "player", "order"), name="unique_answer"
+            ),
+        ]
+        ordering = ["order"]