from plomtask.db import DatabaseConnection
from plomtask.days import Day
from plomtask.processes import Process
+from plomtask.conditions import Condition
from plomtask.exceptions import (NotFoundException, BadFormatException,
HandledException)
class Todo:
"""Individual actionable."""
+ # pylint: disable=too-many-instance-attributes
+
def __init__(self, id_: int | None, process: Process,
is_done: bool, day: Day) -> None:
self.id_ = id_
self.process = process
- self.is_done = is_done
+ self._is_done = is_done
self.day = day
self.children: list[Todo] = []
+ self.parents: list[Todo] = []
+ self.conditions: list[Condition] = []
+ self.fulfills: list[Condition] = []
+ self.undoes: list[Condition] = []
+ if not self.id_:
+ self.conditions = process.conditions[:]
+ self.fulfills = process.fulfills[:]
+ self.undoes = process.undoes[:]
@classmethod
def from_table_row(cls, db_conn: DatabaseConnection, row: Row) -> Todo:
"""Make Todo from database row, write to DB cache."""
todo = cls(id_=row[0],
process=Process.by_id(db_conn, row[1]),
- is_done=row[2],
+ is_done=bool(row[2]),
day=Day.by_date(db_conn, row[3]))
assert todo.id_ is not None
db_conn.cached_todos[todo.id_] = todo
for row in db_conn.exec('SELECT child FROM todo_children '
'WHERE parent = ?', (id_,)):
todo.children += [cls.by_id(db_conn, row[0])]
+ for row in db_conn.exec('SELECT parent FROM todo_children '
+ 'WHERE child = ?', (id_,)):
+ todo.parents += [cls.by_id(db_conn, row[0])]
+ for row in db_conn.exec('SELECT condition FROM todo_conditions '
+ 'WHERE todo = ?', (id_,)):
+ todo.conditions += [Condition.by_id(db_conn, row[0])]
+ for row in db_conn.exec('SELECT condition FROM todo_fulfills '
+ 'WHERE todo = ?', (id_,)):
+ todo.fulfills += [Condition.by_id(db_conn, row[0])]
+ for row in db_conn.exec('SELECT condition FROM todo_undoes '
+ 'WHERE todo = ?', (id_,)):
+ todo.undoes += [Condition.by_id(db_conn, row[0])]
assert isinstance(todo, Todo)
return todo
todos += [cls.by_id(db_conn, row[0])]
return todos
+ @classmethod
+ def enablers_for_at(cls, db_conn: DatabaseConnection, condition: Condition,
+ date: str) -> list[Todo]:
+ """Collect all Todos of day that enable condition."""
+ enablers = []
+ for row in db_conn.exec('SELECT todo FROM todo_fulfills '
+ 'WHERE condition = ?', (condition.id_,)):
+ todo = cls.by_id(db_conn, row[0])
+ if todo.day.date == date:
+ enablers += [todo]
+ return enablers
+
+ @classmethod
+ def disablers_for_at(cls, db_conn: DatabaseConnection,
+ condition: Condition, date: str) -> list[Todo]:
+ """Collect all Todos of day that disable condition."""
+ disablers = []
+ for row in db_conn.exec('SELECT todo FROM todo_undoes '
+ 'WHERE condition = ?', (condition.id_,)):
+ todo = cls.by_id(db_conn, row[0])
+ if todo.day.date == date:
+ disablers += [todo]
+ return disablers
+
+ @property
+ def is_doable(self) -> bool:
+ """Decide whether .is_done settable based on children, Conditions."""
+ for child in self.children:
+ if not child.is_done:
+ return False
+ for condition in self.conditions:
+ if not condition.is_active:
+ return False
+ return True
+
+ @property
+ def is_done(self) -> bool:
+ """Wrapper around self._is_done so we can control its setter."""
+ return self._is_done
+
+ @is_done.setter
+ def is_done(self, value: bool) -> None:
+ if value != self.is_done and not self.is_doable:
+ raise BadFormatException('cannot change doneness of undoable Todo')
+ if self._is_done != value:
+ self._is_done = value
+ if value is True:
+ for condition in self.fulfills:
+ condition.is_active = True
+ for condition in self.undoes:
+ condition.is_active = False
+
+ def set_undoes(self, db_conn: DatabaseConnection, ids: list[int]) -> None:
+ """Set self.undoes to Conditions identified by ids."""
+ self.set_conditions(db_conn, ids, 'undoes')
+
+ def set_fulfills(self, db_conn: DatabaseConnection,
+ ids: list[int]) -> None:
+ """Set self.fulfills to Conditions identified by ids."""
+ self.set_conditions(db_conn, ids, 'fulfills')
+
+ def set_conditions(self, db_conn: DatabaseConnection, ids: list[int],
+ target: str = 'conditions') -> None:
+ """Set self.[target] to Conditions identified by ids."""
+ target_list = getattr(self, target)
+ while len(target_list) > 0:
+ target_list.pop()
+ for id_ in ids:
+ target_list += [Condition.by_id(db_conn, id_)]
+
def add_child(self, child: Todo) -> None:
"""Add child to self.children, guard against recursion"""
def walk_steps(node: Todo) -> None:
raise BadFormatException('cannot adopt same child twice')
walk_steps(child)
self.children += [child]
+ child.parents += [self]
def save(self, db_conn: DatabaseConnection) -> None:
"""Write self and children to DB and its cache."""
for child in self.children:
db_conn.exec('INSERT INTO todo_children VALUES (?, ?)',
(self.id_, child.id_))
+ db_conn.exec('DELETE FROM todo_fulfills WHERE todo = ?', (self.id_,))
+ for condition in self.fulfills:
+ if condition.id_ is None:
+ raise NotFoundException('Fulfilled Condition of Todo '
+ 'without ID (not saved?)')
+ db_conn.exec('INSERT INTO todo_fulfills VALUES (?, ?)',
+ (self.id_, condition.id_))
+ db_conn.exec('DELETE FROM todo_undoes WHERE todo = ?', (self.id_,))
+ for condition in self.undoes:
+ if condition.id_ is None:
+ raise NotFoundException('Undone Condition of Todo '
+ 'without ID (not saved?)')
+ db_conn.exec('INSERT INTO todo_undoes VALUES (?, ?)',
+ (self.id_, condition.id_))
+ db_conn.exec('DELETE FROM todo_conditions WHERE todo = ?', (self.id_,))
+ for condition in self.conditions:
+ if condition.id_ is None:
+ raise NotFoundException('Condition of Todo '
+ 'without ID (not saved?)')
+ db_conn.exec('INSERT INTO todo_conditions VALUES (?, ?)',
+ (self.id_, condition.id_))