Only returns board game when game is finished

api/serializers/game.py

@@ -1,12 +1,19 @@
 from rest_framework import serializers
 
-from game.models import Game, GameEvent
+from game.models import Game, GameEvent, GameStatuses
 
 
 class GameSerializer(serializers.ModelSerializer):
+    def to_representation(self, instance):
+        response = super().to_representation(instance)
+        if not response["status"] == GameStatuses.FINISHED:
+            del response["board"]
+
+        return response
+
     class Meta:
         model = Game
-        exclude = ["board"]
+        fields = "__all__"
 
 
 class GameEventSerializer(serializers.ModelSerializer):