def post(self):
subItem = SubscribedItem.get(Key(self.request.get('key')))
subItem.finished = (self.request.get('finished') == 'finished')
subItem.put()
total, finished = 0, 0
sub = subItem.subscription
for subItem in sub.subscribeditem_set:
total += 1
if subItem.finished:
finished += 1
sub.progress = finished*100/total
sub.put()
