+ @classmethod
+ def all(cls, db_conn: DatabaseConnection,
+ date_range: tuple[str, str] = ('', ''),
+ fill_gaps: bool = False) -> list[Day]:
+ """Return list of Days in database within date_range."""
+ min_date = '2024-01-01'
+ max_date = '2030-12-31'
+ 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)
+ days = []
+ sql = 'SELECT id FROM days WHERE id >= ? AND id <= ?'
+ for row in db_conn.exec(sql, (start_date, end_date)):
+ days += [cls.by_id(db_conn, row[0])]
+ days.sort()
+ if fill_gaps and len(days) > 1:
+ gapless_days = []
+ for i, day in enumerate(days):
+ gapless_days += [day]
+ if i < len(days) - 1:
+ while day.next_date != days[i+1].date:
+ day = Day(day.next_date)
+ gapless_days += [day]
+ days = gapless_days
+ return days
+
+ @classmethod
+ def by_id(cls, db_conn: DatabaseConnection,
+ date: str, create: bool = False) -> Day:
+ """Retrieve Day by date if in DB (prefer cache), else return None."""
+ day, _ = super()._by_id(db_conn, date)
+ if day:
+ assert isinstance(day, Day)
+ return day
+ if not create:
+ raise NotFoundException(f'Day not found for date: {date}')
+ day = cls(date)
+ day.cache()
+ assert isinstance(day, Day)
+ return day
+
+ @property
+ def date(self) -> str:
+ """Return self.id_ under the assumption it's a date string."""
+ return self.id_