def post(self):

        # create or update feature bet
        user = UserData.get_current_user()
        if not user.is_server_admin():  # make sure user has an account to create course
            self.redirect('/')

        feature_key = self.request.get('feature_wanted')
        feature = Feature.get_by_id(int(feature_key))

        options = self.request.get('options').split('\n')
        start_time = self.request.get('start-time')
        start_time = datetime.datetime.strptime(start_time, "%Y-%m-%d")
        end_time = self.request.get('end-time')
        end_time = datetime.datetime.strptime(end_time, "%Y-%m-%d")

        billing_time = self.request.get('billing-time')
        billing_time = datetime.datetime.strptime(billing_time, "%Y-%m-%d")

        new_bet = FeatureBet(performance_bet=feature.performances[0],
                            bet_options=options,
                            start_time=start_time,
                            end_time=end_time,
                            billing_time=billing_time
                            )

        new_bet.put()

        self.redirect('/show-feature/%s' % feature.key.id()) # 
    def get(self, feature_id):

        user = UserData.get_current_user()
        feature = Feature.get_by_id(int(feature_id))
        feature_KPIs = ','.join(feature.KPIs)
        feature_performance = feature.performances[0].get()
        feature_bets = FeatureBet.get_by_feature_performance(feature_performance)

        # get feature bets by feature
        # get user_feature bets by feature bets
        # get feature performance by feature

        # show all these data in the proper way
        data = {
            'user': user,
            'feature': feature,
            'feature_KPIs': feature_KPIs,
            'feature_bets': feature_bets,
            'feature_performance': feature_performance
        }

        return self.render('feature/show-feature.html', data)