X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=plomtask%2Fdays.py;h=78340e2d13000e7ef49bff1bdc24f27e561993c1;hb=23012cd370777b60a25839788d131173d2abee91;hp=f1920b4d1343bbb486cd537b2c77102e22756a37;hpb=e51477ebea9fb701d88de85088b2fda1247c73a2;p=plomtask diff --git a/plomtask/days.py b/plomtask/days.py index f1920b4..78340e2 100644 --- a/plomtask/days.py +++ b/plomtask/days.py @@ -1,66 +1,93 @@ """Collecting Day and date-related items.""" -from datetime import datetime -from sqlite3 import Row -from plomtask.misc import HandledException -from plomtask.db import DatabaseConnection +from __future__ import annotations +from datetime import datetime, timedelta +from plomtask.exceptions import BadFormatException +from plomtask.db import DatabaseConnection, BaseModel DATE_FORMAT = '%Y-%m-%d' -def date_valid(date: str): - """Validate date against DATE_FORMAT, return Datetime or None.""" +def valid_date(date_str: str) -> str: + """Validate date against DATE_FORMAT or 'today', return in DATE_FORMAT.""" + if date_str == 'today': + date_str = todays_date() try: - result = datetime.strptime(date, DATE_FORMAT) - except (ValueError, TypeError): - return None - return result + dt = datetime.strptime(date_str, DATE_FORMAT) + except (ValueError, TypeError) as e: + msg = f'Given date of wrong format: {date_str}' + raise BadFormatException(msg) from e + return dt.strftime(DATE_FORMAT) -class Day: +def todays_date() -> str: + """Return current date in DATE_FORMAT.""" + return datetime.now().strftime(DATE_FORMAT) + + +class Day(BaseModel[str]): """Individual days defined by their dates.""" + table_name = 'days' + to_save = ['comment'] - def __init__(self, date: str): - self.date = date - self.datetime = date_valid(self.date) - if not self.datetime: - raise HandledException(f'Given date of wrong format: {self.date}') + def __init__(self, date: str, comment: str = '') -> None: + super().__init__(date) + self.id_: str = valid_date(date) + self.datetime = datetime.strptime(self.date, DATE_FORMAT) + self.comment = comment - def save(self, db_conn: DatabaseConnection): - """Add (or re-write) self to database.""" - db_conn.exec('REPLACE INTO days VALUES (?)', (self.date,)) + def __eq__(self, other: object) -> bool: + return isinstance(other, self.__class__) and self.date == other.date - @classmethod - def from_table_row(cls, row: Row): - """Make new Day from database row.""" - return cls(row[0]) + def __lt__(self, other: Day) -> bool: + return self.date < other.date @classmethod def all(cls, db_conn: DatabaseConnection, - date_range: tuple[str, str] = ('', '')): + date_range: tuple[str, str] = ('', ''), + fill_gaps: bool = False) -> list[Day]: """Return list of Days in database within date_range.""" - start_date = date_range[0] if date_range[0] else '2024-01-01' - end_date = date_range[1] if date_range[1] else '2030-12-31' + 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 * FROM days WHERE date >= ? AND date <= ?' + sql = 'SELECT id FROM days WHERE id >= ? AND id <= ?' for row in db_conn.exec(sql, (start_date, end_date)): - days += [cls.from_table_row(row)] + 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_date(cls, db_conn: DatabaseConnection, date: str): - """Retrieve Day by date if in DB, else return None.""" - for row in db_conn.exec('SELECT * FROM days WHERE date = ?', (date,)): - return cls.from_table_row(row) - return None + @property + def date(self) -> str: + """Return self.id_ under the assumption it's a date string.""" + return self.id_ @property - def weekday(self): + def weekday(self) -> str: """Return what weekday matches self.date.""" return self.datetime.strftime('%A') - def __eq__(self, other: object): - return isinstance(other, self.__class__) and self.date == other.date + @property + def prev_date(self) -> str: + """Return date preceding date of this Day.""" + prev_datetime = self.datetime - timedelta(days=1) + return prev_datetime.strftime(DATE_FORMAT) - def __lt__(self, other): - return self.date < other.date + @property + def next_date(self) -> str: + """Return date succeeding date of this Day.""" + next_datetime = self.datetime + timedelta(days=1) + return next_datetime.strftime(DATE_FORMAT) + + def save(self, db_conn: DatabaseConnection) -> None: + """Add (or re-write) self to DB and cache.""" + self.save_core(db_conn, update_with_lastrowid=False)