content: from drf_spectacular.types import OpenApiTypes
  from drf_spectacular.utils import extend_schema_field
  
  from netbox.api.serializers import WritableNestedSerializer
  from users import models
  
  __all__ = (
      'NestedGroupSerializer',
      'NestedUserSerializer',
  )
  
  
  class NestedGroupSerializer(WritableNestedSerializer):
  
      class Meta:
          model = models.Group
          fields = ['id', 'url', 'display_url', 'display', 'name']
  
  
  class NestedUserSerializer(WritableNestedSerializer):
  
      class Meta:
          model = models.User
          fields = ['id', 'url', 'display_url', 'display', 'username']
  
      @extend_schema_field(OpenApiTypes.STR)
      def get_display(self, obj):
          if full_name := obj.get_full_name():
              return f"{obj.username} ({full_name})"
          return obj.username
  