def feedback(self):
"""Provide a feedback for a status.
Overrides the older feedback if there was any.
"""
req = json.loads(self.request.body)
try:
qid = int(req.get('qid', ''))
sid = int(req.get('sid', ''))
score = int(req.get('score', ''))
if score < -1 or score > 1:
self.abort(400, detail='Invalid score.')
uid = self.user_session['user_id']
q = Query.get_by_id(qid)
if q is None:
raise ValueError()
f = Feedback.gql('WHERE uid = :1 AND qid = :2 AND sid = :3',
uid, qid, sid).get()
if f is None:
f = Feedback(uid=uid, qid=qid, sid=sid)
f.score = score
f.put()
self.write({'message': 'success'})
except ValueError:
self.abort(400,
detail='Please specify valid query ID and status ID.')
