+ @classmethod
+ def by_date_range_with_limits(cls: type[BaseModelInstance],
+ db_conn: DatabaseConnection,
+ date_range: tuple[str, str] = ('', ''),
+ date_col: str = 'day'
+ ) -> tuple[list[BaseModelInstance], str,
+ str]:
+ """Return list of Days in database within (open) date_range interval.
+
+ If no range values provided, defaults them to MIN_RANGE_DATE and
+ MAX_RANGE_DATE. Also knows to properly interpret 'today' as value.
+ """
+ min_date = MIN_RANGE_DATE
+ max_date = MAX_RANGE_DATE
+ start_date = valid_date(date_range[0] if date_range[0] else min_date)
+ end_date = valid_date(date_range[1] if date_range[1] else max_date)
+ items = []
+ sql = f'SELECT id FROM {cls.table_name} '
+ sql += f'WHERE {date_col} >= ? AND {date_col} <= ?'
+ for row in db_conn.exec(sql, (start_date, end_date)):
+ items += [cls.by_id(db_conn, row[0])]
+ return items, start_date, end_date
+