def partial_price(self):
now = timezone.now()
start = calculate_last(self.start_day, self.start_month)
end = calculate_next(self.end_day, self.end_month)
return self.calc_price(start, end, now)
def calculated_price(self, activation_date):
start = calculate_last(self.start_day, self.start_month)
end = calculate_next(self.end_day, self.end_month)
ref_date = max(activation_date, start)
return self.calc_price(start, end, ref_date=ref_date)
def get_actual_start(self, activation_date=None):
start = calculate_last(self.start_day, self.start_month)
if activation_date is None:
return start
return max(activation_date, start)