def update_week_statistic(self):
        days = {day: self._get_initial_statistic() for day in range(0, 7)}
        self._fill_statistic_parts(
            days, lambda task: task['created'].weekday(),
        )
        self._calculate_statistic_percent(days)
        self._recreate_statistic_obj(WeekStatistic, 'days', days)
Fetch ratings provided by customers.
dataset/ETHPy150Open nvbn/coviolations_web/projects/models.py/Project.update_week_statistic--crossover with--dataset/ETHPy150Open ducksboard/libsaas/libsaas/services/zendesk/resources.py/SatisfactionRatings.received