port to new django, AI automated

eventplanner/serializers.py

@@ -1,19 +1,24 @@
 from rest_framework import serializers
-from .models import EventParticipation, Event
+
+from .models import Event, EventParticipation
 
 
 class ParticipationSerializer(serializers.ModelSerializer):
-    event = serializers.PrimaryKeyRelatedField(many=False, read_only=False, queryset=Event.objects.all())
-    user = serializers.Field(source='get_username')
-    status = serializers.CharField(source='status', required=False)
-
-    def get_identity(self, data):
-        """  This hook is required for bulk update.  """
-        try:
-            return data.get('event', None), data.get('user')
-        except AttributeError:
-            return None
+    event = serializers.PrimaryKeyRelatedField(queryset=Event.objects.all())
+    user = serializers.CharField(source="get_username", read_only=True)
+    status = serializers.CharField(required=False)
 
     class Meta:
         model = EventParticipation
-        fields = ('event', 'user', 'status', 'comment')
+        fields = ("event", "user", "status", "comment")
+
+    def create(self, validated_data):
+        # Remove the get_username source field as it's read-only
+        validated_data.pop("get_username", None)
+        return super().create(validated_data)
+
+    def update(self, instance, validated_data):
+        instance.status = validated_data.get("status", instance.status)
+        instance.comment = validated_data.get("comment", instance.comment)
+        instance.save()
+        return instance