def obj_get_list(self, bundle, **kwargs):
if bundle.request.GET.get("finder"):
if not bundle.request.location:
raise BadRequest(
"Finder cannot be invoked without a location header"
)
if not bundle.request.user.is_authenticated():
raise BadRequest(
"Finder is only available to authenticated users"
)
try:
return self._finder(bundle.request)
except ValidationError as e:
raise BadRequest(e.messages[0])
else:
return ModelResource.obj_get_list(self, bundle, **kwargs)
