"""Collecting Day and date-related items."""
from datetime import datetime
+from sqlite3 import Row
+from plomtask.misc import HandledException
+from plomtask.db import DatabaseConnection
DATE_FORMAT = '%Y-%m-%d'
+def date_valid(date: str):
+ """Validate date against DATE_FORMAT, return Datetime or None."""
+ try:
+ result = datetime.strptime(date, DATE_FORMAT)
+ except (ValueError, TypeError):
+ return None
+ return result
+
+
class Day:
"""Individual days defined by their dates."""
- def __init__(self, date: str):
+ def __init__(self, date: str, comment: str = ''):
self.date = date
- self.datetime = datetime.strptime(date, DATE_FORMAT)
-
- @property
- def weekday(self):
- """Return what weekday matches self.date."""
- return self.datetime.strftime('%A')
+ self.datetime = date_valid(self.date)
+ if not self.datetime:
+ raise HandledException(f'Given date of wrong format: {self.date}')
+ self.comment = comment
def __eq__(self, other: object):
return isinstance(other, self.__class__) and self.date == other.date
def __lt__(self, other):
return self.date < other.date
+
+ @classmethod
+ def from_table_row(cls, row: Row):
+ """Make new Day from database row."""
+ return cls(row[0], row[1])
+
+ @classmethod
+ def all(cls, db_conn: DatabaseConnection,
+ date_range: tuple[str, str] = ('', '')):
+ """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'
+ days = []
+ sql = 'SELECT * FROM days WHERE date >= ? AND date <= ?'
+ for row in db_conn.exec(sql, (start_date, end_date)):
+ days += [cls.from_table_row(row)]
+ days.sort()
+ return days
+
+ @classmethod
+ def by_date(cls, db_conn: DatabaseConnection,
+ date: str, create: bool = False):
+ """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)
+ if create:
+ return cls(date)
+ return None
+
+ @property
+ def weekday(self):
+ """Return what weekday matches self.date."""
+ return self.datetime.strftime('%A')
+
+ def save(self, db_conn: DatabaseConnection):
+ """Add (or re-write) self to database."""
+ db_conn.exec('REPLACE INTO days VALUES (?, ?)',
+ (self.date, self.comment))