Incorrect model in subtask serializer and add PUT PATCH for subtask

backend/tasks/tasks/serializers.py

@@ -107,4 +107,4 @@ class SubTaskSerializer(serializers.ModelSerializer):
 
     def create(self, validated_data):
         # Create a new task with validated data
-        return Todo.objects.create(**validated_data)
+        return Subtask.objects.create(**validated_data)

backend/tasks/tasks/views.py

@@ -130,7 +130,8 @@ list=extend_schema(
 class SubTaskViewset(viewsets.GenericViewSet,
                      mixins.CreateModelMixin,
                      mixins.DestroyModelMixin,
-                     mixins.ListModelMixin):
+                     mixins.ListModelMixin,
+                     mixins.UpdateModelMixin):
     queryset = Subtask.objects.all()
     permission_classes = (IsAuthenticated,)
 
@@ -173,6 +174,19 @@ class SubTaskViewset(viewsets.GenericViewSet,
             return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 
 
+    def partial_update(self, request, *args, **kwargs):
+        """Update a subtask."""
+        try:
+            instance = self.get_o
+            serializer = self.get_serializer(instance, data=request.data, partial=True)
+            serializer.is_valid(raise_exception=True)
+            self.perform_update(serializer)
+            return Response(serializer.data)
+        
+        except Exception as e:
+            return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+
 class RecurrenceTaskViewSet(viewsets.ModelViewSet):
     queryset = RecurrenceTask.objects.all()
     serializer_class = RecurrenceTaskSerializer