def post_note(self, request):
# if the note has a timestamp use it.
if request.when is not None:
when = datetime.datetime.utcfromtimestamp(request.when)
else:
when = datetime.datetime.now()
note = guestbook.Greeting(parent=guestbook.guestbook_key(guestbook.DEFAULT_GUESTBOOK_NAME), content=request.text, date=when)
note.put()
return message_types.VoidMessage()
