X-Git-Url: https://plomlompom.com/repos/feed.xml?a=blobdiff_plain;f=plomtask%2Ftodos.py;h=ebe35ac56bb78af42a10644c9209b34778527c0e;hb=8f6b4ec61b126d6edbfda4f20d62398d92390a95;hp=e8e00acbd8cd77d58d7d99ce2d0551288ffb96f4;hpb=d77d0661697655a7c2d0e9e0b270cf21e286d7fb;p=plomtask diff --git a/plomtask/todos.py b/plomtask/todos.py index e8e00ac..ebe35ac 100644 --- a/plomtask/todos.py +++ b/plomtask/todos.py @@ -1,55 +1,70 @@ """Actionables.""" from __future__ import annotations +from typing import Any 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] = [] + self.conditions: list[Condition] = [] + self.enables: list[Condition] = [] + self.disables: list[Condition] = [] + if not self.id_: + self.conditions = process.conditions[:] + self.enables = process.enables[:] + self.disables = process.disables[:] @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 + def from_table_row(cls, db_conn: DatabaseConnection, + row: Row | list[Any]) -> Todo: + """Make from DB row, write to DB cache.""" + if row[1] == 0: + raise NotFoundException('calling Todo of ' + 'unsaved Process') + row_as_list = list(row) + row_as_list[1] = Process.by_id(db_conn, row[1]) + todo = super().from_table_row(db_conn, row_as_list) + assert isinstance(todo, Todo) return todo @classmethod - def by_id(cls, db_conn: DatabaseConnection, id_: int | None) -> Todo: + def by_id(cls, db_conn: DatabaseConnection, id_: int) -> Todo: """Get Todo of .id_=id_ and children (from DB cache if possible).""" - if id_ in db_conn.cached_todos.keys(): - todo = db_conn.cached_todos[id_] - else: - todo = None - for row in db_conn.exec('SELECT * FROM todos WHERE id = ?', - (id_,)): - todo = cls.from_table_row(db_conn, row) - break - if todo is None: - raise NotFoundException(f'Todo of ID not found: {id_}') - 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])] + todo, from_cache = super()._by_id(db_conn, id_) + if todo is None: + raise NotFoundException(f'Todo of ID not found: {id_}') + if not from_cache: + for t_id in db_conn.column_where('todo_children', 'child', + 'parent', id_): + todo.children += [cls.by_id(db_conn, t_id)] + for t_id in db_conn.column_where('todo_children', 'parent', + 'child', id_): + todo.parents += [cls.by_id(db_conn, t_id)] + for name in ('conditions', 'enables', 'disables'): + table = f'todo_{name}' + for cond_id in db_conn.column_where(table, 'condition', + 'todo', todo.id_): + target = getattr(todo, name) + target += [Condition.by_id(db_conn, cond_id)] assert isinstance(todo, Todo) return todo @@ -57,10 +72,87 @@ class Todo: def by_date(cls, db_conn: DatabaseConnection, date: str) -> list[Todo]: """Collect all Todos for Day of date.""" todos = [] - for row in db_conn.exec('SELECT id FROM todos WHERE day = ?', (date,)): - todos += [cls.by_id(db_conn, row[0])] + for id_ in db_conn.column_where('todos', 'id', 'day', date): + todos += [cls.by_id(db_conn, id_)] return todos + @staticmethod + def _x_ablers_for_at(db_conn: DatabaseConnection, name: str, + cond: Condition, date: str) -> list[Todo]: + """Collect all Todos of day that [name] condition.""" + assert isinstance(cond.id_, int) + x_ablers = [] + table = f'todo_{name}' + for id_ in db_conn.column_where(table, 'todo', 'condition', cond.id_): + todo = Todo.by_id(db_conn, id_) + if todo.date == date: + x_ablers += [todo] + return x_ablers + + @classmethod + def enablers_for_at(cls, db_conn: DatabaseConnection, + condition: Condition, date: str) -> list[Todo]: + """Collect all Todos of day that enable condition.""" + return cls._x_ablers_for_at(db_conn, 'enables', condition, date) + + @classmethod + def disablers_for_at(cls, db_conn: DatabaseConnection, + condition: Condition, date: str) -> list[Todo]: + """Collect all Todos of day that disable condition.""" + return cls._x_ablers_for_at(db_conn, 'disables', condition, date) + + @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.enables: + condition.is_active = True + for condition in self.disables: + condition.is_active = False + + def set_disables(self, db_conn: DatabaseConnection, + ids: list[int]) -> None: + """Set self.disables to Conditions identified by ids.""" + self.set_conditions(db_conn, ids, 'disables') + + def set_enables(self, db_conn: DatabaseConnection, + ids: list[int]) -> None: + """Set self.enables to Conditions identified by ids.""" + self.set_conditions(db_conn, ids, 'enables') + + 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 +174,14 @@ 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.rewrite_relations('todo_children', 'parent', self.id_, + [[c.id_] for c in self.children]) + db_conn.rewrite_relations('todo_conditions', 'todo', self.id_, + [[c.id_] for c in self.conditions]) + db_conn.rewrite_relations('todo_enables', 'todo', self.id_, + [[c.id_] for c in self.enables]) + db_conn.rewrite_relations('todo_disables', 'todo', self.id_, + [[c.id_] for c in self.disables])