X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=plomtask%2Ftodos.py;h=cfac5b536e91514f02d938fc760818d3d7278129;hb=5195f3f36960b76d1b6530ef1822d0806db221d8;hp=e8e00acbd8cd77d58d7d99ce2d0551288ffb96f4;hpb=d77d0661697655a7c2d0e9e0b270cf21e286d7fb;p=plomtask diff --git a/plomtask/todos.py b/plomtask/todos.py index e8e00ac..cfac5b5 100644 --- a/plomtask/todos.py +++ b/plomtask/todos.py @@ -1,35 +1,35 @@ """Actionables.""" from __future__ import annotations -from sqlite3 import Row -from plomtask.db import DatabaseConnection -from plomtask.days import Day +from plomtask.db import DatabaseConnection, BaseModel from plomtask.processes import Process +from plomtask.conditions import Condition from plomtask.exceptions import (NotFoundException, BadFormatException, HandledException) -class Todo: +class Todo(BaseModel): """Individual actionable.""" + # pylint: disable=too-many-instance-attributes + + table_name = 'todos' + to_save = ['process_id', 'is_done', 'date'] + def __init__(self, id_: int | None, process: Process, - is_done: bool, day: Day) -> None: - self.id_ = id_ + is_done: bool, date: str) -> None: + self.set_int_id(id_) self.process = process - self.is_done = is_done - self.day = day + self._is_done = is_done + self.date = date self.children: list[Todo] = [] self.parents: list[Todo] = [] - - @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], - day=Day.by_date(db_conn, row[3])) - assert todo.id_ is not None - db_conn.cached_todos[todo.id_] = todo - return 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 by_id(cls, db_conn: DatabaseConnection, id_: int | None) -> Todo: @@ -40,6 +40,11 @@ class Todo: todo = None for row in db_conn.exec('SELECT * FROM todos WHERE id = ?', (id_,)): + row = list(row) + if row[1] == 0: + raise NotFoundException('calling Todo of ' + 'unsaved Process') + row[1] = Process.by_id(db_conn, row[1]) todo = cls.from_table_row(db_conn, row) break if todo is None: @@ -50,6 +55,15 @@ class Todo: 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 @@ -61,6 +75,81 @@ class 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.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.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 process_id(self) -> int | str | None: + """Return ID of tasked Process.""" + return self.process.id_ + + @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: @@ -82,14 +171,32 @@ class Todo: """Write self and children to DB and its cache.""" if self.process.id_ is None: raise NotFoundException('Process of Todo without ID (not saved?)') - cursor = db_conn.exec('REPLACE INTO todos VALUES (?,?,?,?)', - (self.id_, self.process.id_, - self.is_done, self.day.date)) - self.id_ = cursor.lastrowid - assert self.id_ is not None + self.save_core(db_conn) + assert isinstance(self.id_, int) db_conn.cached_todos[self.id_] = self db_conn.exec('DELETE FROM todo_children WHERE parent = ?', (self.id_,)) 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_))