def read_review_data(filename):
review_list = []
with open(filename) as json_file:
data = json.load(json_file)
for obj in data['reviews']:
review = Review()
review.rating = obj['rating']
review.date = obj['date']
review.text = obj['review_text']
review_list.append(review)
return review_list
def post(self):
self.response.headers['Content-Type'] = 'text/html'
# get value of button clicked
action = self.request.get('button')
# create new review object
new_review = Review()
# selection statement for button
if action == 'Submit':
# gets id from form
ev_id = self.request.get('ev')
new_review.comment = self.request.get('comment')
new_review.rating = int(self.request.get('rating'))
# generates key
key = ndb.Key('EV', int(ev_id))
ev = key.get()
ev.reviews.append(new_review)
# calculates average rating
count = 0;
sum = 0;
average = 0.0;
for i in ev.reviews:
sum += i.rating
count += 1
average = (sum)/(count)
ev.rating = average
# updates ev
ev.put()
self.redirect('/')
elif action == 'Cancel':
self.redirect('/')
