def __get_daily_source_begin_date(self, period, source_first_day):
if period == 'all':
return source_first_day
elif period == 'recent':
return str(date_util.get_yesterday())
elif period == 'long':
return str(date_util.get_last_month())
def __get_daily_source_end_date(self, period):
return str(date_util.get_yesterday())