def serialize(self, request=None, tag=None):
if tag is None:
tag = self._xobj.tag
if not self.list_fields:
return XObjIdModel.serialize(self, request, tag=tag)
# We only support one list field right now
listField = self.list_fields[0]
modelList = getattr(self, listField)
if request:
modelList = self.filterBy(request, modelList)
modelList = self.orderBy(request, modelList)
self.paginate(request, listField, modelList)
etreeModel = XObjIdModel.serialize(self, request, tag=tag)
if self._pagedId is not None:
etreeModel.attrib['id'] = self._pagedId
return etreeModel
