def post(self):
title = self.request.get('title')
position_query = Position.query(Position.title == title)
positions = position_query.fetch()
if (len(positions) > 0):
self.response.write(False)
else:
new_position = Position(title=title)
new_position.put()
self.response.write(True)
def _factory_election_data(websafe_election_key):
""" Factory database with data from settings.py """
# create or update election
if websafe_election_key is not None:
election_key = ndb.Key(urlsafe=websafe_election_key)
election = election_key.get()
else:
election = Election()
election.populate(**ELECTION_DATA)
election_key = election.put()
for pos_data_orig in POSITION_DATA:
# avoid directly delete on setting objects
pos_data = pos_data_orig.copy()
position_data = pos_data['data']
del pos_data['data']
position_name = pos_data['name']
position = Position.query(ancestor=election_key).\
filter(Position.name == position_name).get()
if position is None:
logger.debug('creating new position entity')
position_id = ndb.Model.allocate_ids(
size=1, parent=election_key)[0]
position_key = ndb.Key(Position, position_id, parent=election_key)
position = Position(key=position_key)
position.populate(**pos_data)
position_key = position.put()
# remove all roles under position
ndb.delete_multi(position.candidate_keys)
# create all roles from data
candidates = []
for index, data_dict in enumerate(position_data):
candidate_id = ndb.Model.allocate_ids(
size=1, parent=position_key)[0]
candidate_key = ndb.Key(
Candidate, candidate_id, parent=position_key)
candidate = Candidate(key=candidate_key)
data_dict['voting_index'] = index
candidate.populate(**data_dict)
candidates.append(candidate)
position.candidate_keys = ndb.put_multi(candidates)
position.put()
return "update all data successfully"
