Add MusicGameResults model and score calculation logic in GameEndView

game/views.py

@@ -9,7 +9,7 @@ from django.contrib.auth.models import User
 from django.contrib.messages.views import SuccessMessageMixin
 from django.core.exceptions import PermissionDenied
 from django.db import IntegrityError
-from django.db.models import Count, Q
+from django.db.models import Count, F, Q
 from django.shortcuts import get_object_or_404, redirect
 from django.views import View
 from django.views.generic import TemplateView
@@ -468,5 +468,25 @@ class GameEndView(LoginRequiredMixin, SingleObjectMixin, View):
         if not game.group.is_leader(request.user):
             raise PermissionDenied()
         game.over = True
+
+        for player in game.players.all():
+            score = (
+                100
+                * player.musicgameanswer_set.filter(game__game=game)
+                .exclude(game__player=player)
+                .filter(game__player=F("answer"))
+                .count()
+            )
+            score -= (
+                50
+                * player.musicgameanswer_set.filter(game__game=game)
+                .filter(game__player=player)
+                .exclude(game__player=F("answer"))
+                .count()
+            )
+            models.MusicGameResults.objects.create(
+                game=game, player=player, score=score
+            )
+
         game.save()
         return redirect("game_detail", pk)