common/components.py

@@ -263,6 +263,8 @@ def NameWithIcon(
             game = Game.objects.get(pk=game_id)
         name = edition.name if edition else game.name
         platform = edition.platform if edition else None
+        if game.platform:
+            platform = game.platform
         link = reverse("view_game", args=[int(game_id)])
     content = Div(
         [("class", "inline-flex gap-2 items-center")],

games/forms.py

@@ -156,7 +156,7 @@ class EditionForm(forms.ModelForm):
 class GameForm(forms.ModelForm):
     class Meta:
         model = Game
-        fields = ["name", "sort_name", "year_released", "wikidata"]
+        fields = ["name", "sort_name", "platform", "year_released", "wikidata"]
         widgets = {"name": autofocus_input_widget}
 
 

games/migrations/0048_game_platform.py

@@ -0,0 +1,58 @@
+# Generated by Django 5.1.5 on 2025-01-29 17:08
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+from games.models import Game
+
+
+def copy_platform_to_game(apps, schema_editor):
+    single_edition_games = Game.objects.annotate(
+        num_editions=models.Count("editions")
+    ).filter(num_editions=1)
+    multi_edition_games = Game.objects.annotate(
+        num_editions=models.Count("editions")
+    ).filter(num_editions__gt=1)
+    for game in single_edition_games:
+        game.platform = game.editions.first().platform
+        game.save()
+
+    for game in multi_edition_games:
+        all_editions = game.editions.all()
+        for e in all_editions:
+            # game with this platform edition already exists
+            if game.platform == e.platform:
+                print(
+                    f"Game '{game}' with ID '{game.pk}' already has edition with platform '{game.platform}', skipping creation."
+                )
+            else:
+                print(
+                    f"Game '{game}' with ID '{game.pk}' missing edition with platform '{e.platform}', creating..."
+                )
+                Game.objects.create(
+                    name=e.name,
+                    sort_name=e.sort_name,
+                    platform=e.platform,
+                    year_released=e.year_released,
+                )
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("games", "0047_alter_edition_game"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="game",
+            name="platform",
+            field=models.ForeignKey(
+                blank=True,
+                default=None,
+                null=True,
+                on_delete=django.db.models.deletion.SET_DEFAULT,
+                to="games.platform",
+            ),
+        ),
+        migrations.RunPython(copy_platform_to_game),
+    ]

games/migrations/0049_alter_game_unique_together.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.1.5 on 2025-01-29 17:34
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('games', '0048_game_platform'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='game',
+            unique_together={('name', 'platform', 'year_released')},
+        ),
+    ]

games/models.py

@@ -10,10 +10,17 @@ from common.time import format_duration
 
 
 class Game(models.Model):
+    class Meta:
+        unique_together = [["name", "platform", "year_released"]]
+
     name = models.CharField(max_length=255)
     sort_name = models.CharField(max_length=255, null=True, blank=True, default=None)
     year_released = models.IntegerField(null=True, blank=True, default=None)
     wikidata = models.CharField(max_length=50, null=True, blank=True, default=None)
+    platform = models.ForeignKey(
+        "Platform", on_delete=models.SET_DEFAULT, null=True, blank=True, default=None
+    )
+
     created_at = models.DateTimeField(auto_now_add=True)
 
     session_average: float | int | timedelta | None