2 from __future__ import annotations
3 from dataclasses import dataclass
4 from typing import Any, Set
5 from sqlite3 import Row
6 from plomtask.db import DatabaseConnection, BaseModel
7 from plomtask.processes import Process, ProcessStepsNode
8 from plomtask.versioned_attributes import VersionedAttribute
9 from plomtask.conditions import Condition, ConditionsRelations
10 from plomtask.exceptions import (NotFoundException, BadFormatException,
12 from plomtask.dating import valid_date
17 """Collects what's useful to know for Todo/Condition tree display."""
20 children: list[TodoNode]
23 class Todo(BaseModel[int], ConditionsRelations):
24 """Individual actionable."""
25 # pylint: disable=too-many-instance-attributes
26 # pylint: disable=too-many-public-methods
28 to_save = ['process_id', 'is_done', 'date', 'comment', 'effort',
30 to_save_relations = [('todo_conditions', 'todo', 'conditions', 0),
31 ('todo_blockers', 'todo', 'blockers', 0),
32 ('todo_enables', 'todo', 'enables', 0),
33 ('todo_disables', 'todo', 'disables', 0),
34 ('todo_children', 'parent', 'children', 0),
35 ('todo_children', 'child', 'parents', 1)]
36 to_search = ['comment']
37 days_to_update: Set[str] = set()
41 # pylint: disable=too-many-arguments
42 def __init__(self, id_: int | None,
45 date: str, comment: str = '',
46 effort: None | float = None,
47 calendarize: bool = False) -> None:
48 BaseModel.__init__(self, id_)
49 ConditionsRelations.__init__(self)
50 if process.id_ is None:
51 raise NotFoundException('Process of Todo without ID (not saved?)')
52 self.process = process
53 self._is_done = is_done
54 self.date = valid_date(date)
55 self.comment = comment
59 self.calendarize = calendarize
61 self.calendarize = self.process.calendarize
62 self.conditions = self.process.conditions[:]
63 self.blockers = self.process.blockers[:]
64 self.enables = self.process.enables[:]
65 self.disables = self.process.disables[:]
68 def by_date_range(cls, db_conn: DatabaseConnection,
69 date_range: tuple[str, str] = ('', '')) -> list[Todo]:
70 """Collect Todos of Days within date_range."""
71 todos, _, _ = cls.by_date_range_with_limits(db_conn, date_range)
75 def create_with_children(cls, db_conn: DatabaseConnection,
76 process_id: int, date: str) -> Todo:
77 """Create Todo of process for date, ensure children."""
79 def key_order_func(n: ProcessStepsNode) -> int:
80 assert isinstance(n.process.id_, int)
83 def walk_steps(parent: Todo, step_node: ProcessStepsNode) -> Todo:
84 adoptables = [t for t in cls.by_date(db_conn, date)
85 if (t not in parent.children)
87 and step_node.process == t.process]
89 for adoptable in adoptables:
93 satisfier = cls(None, step_node.process, False, date)
94 satisfier.save(db_conn)
95 sub_step_nodes = list(step_node.steps.values())
96 sub_step_nodes.sort(key=key_order_func)
97 for sub_node in sub_step_nodes:
98 if sub_node.is_suppressed:
100 n_slots = len([n for n in sub_step_nodes
101 if n.process == sub_node.process])
102 filled_slots = len([t for t in satisfier.children
103 if t.process == sub_node.process])
104 # if we did not newly create satisfier, it may already fill
105 # some step dependencies, so only fill what remains open
106 if n_slots - filled_slots > 0:
107 satisfier.add_child(walk_steps(satisfier, sub_node))
108 satisfier.save(db_conn)
111 process = Process.by_id(db_conn, process_id)
112 todo = cls(None, process, False, date)
114 steps_tree = process.get_steps(db_conn)
115 for step_node in steps_tree.values():
116 if step_node.is_suppressed:
118 todo.add_child(walk_steps(todo, step_node))
123 def from_table_row(cls, db_conn: DatabaseConnection,
124 row: Row | list[Any]) -> Todo:
125 """Make from DB row, with dependencies."""
127 raise NotFoundException('calling Todo of '
129 row_as_list = list(row)
130 row_as_list[1] = Process.by_id(db_conn, row[1])
131 todo = super().from_table_row(db_conn, row_as_list)
132 assert isinstance(todo.id_, int)
133 for t_id in db_conn.column_where('todo_children', 'child',
135 todo.children += [cls.by_id(db_conn, t_id)]
136 for t_id in db_conn.column_where('todo_children', 'parent',
138 todo.parents += [cls.by_id(db_conn, t_id)]
139 for name in ('conditions', 'blockers', 'enables', 'disables'):
140 table = f'todo_{name}'
141 assert isinstance(todo.id_, int)
142 for cond_id in db_conn.column_where(table, 'condition',
144 target = getattr(todo, name)
145 target += [Condition.by_id(db_conn, cond_id)]
149 def by_process_id(cls, db_conn: DatabaseConnection,
150 process_id: int | None) -> list[Todo]:
151 """Collect all Todos of Process of process_id."""
152 return [t for t in cls.all(db_conn) if t.process.id_ == process_id]
155 def by_date(cls, db_conn: DatabaseConnection, date: str) -> list[Todo]:
156 """Collect all Todos for Day of date."""
157 return cls.by_date_range(db_conn, (date, date))
160 def is_doable(self) -> bool:
161 """Decide whether .is_done settable based on children, Conditions."""
162 for child in self.children:
163 if not child.is_done:
165 for condition in self.conditions:
166 if not condition.is_active:
168 for condition in self.blockers:
169 if condition.is_active:
174 def is_deletable(self) -> bool:
175 """Decide whether self be deletable (not if preserve-worthy values)."""
178 if self.effort and self.effort >= 0:
183 def performed_effort(self) -> float:
184 """Return performed effort, i.e. self.effort or default if done.."""
185 if self.effort is not None:
188 return self.effort_then
192 def process_id(self) -> int | str | None:
193 """Needed for super().save to save Processes as attributes."""
194 return self.process.id_
197 def is_done(self) -> bool:
198 """Wrapper around self._is_done so we can control its setter."""
202 def is_done(self, value: bool) -> None:
203 if value != self.is_done and not self.is_doable:
204 raise BadFormatException('cannot change doneness of undoable Todo')
205 if self._is_done != value:
206 self._is_done = value
208 for condition in self.enables:
209 condition.is_active = True
210 for condition in self.disables:
211 condition.is_active = False
214 def title(self) -> VersionedAttribute:
215 """Shortcut to .process.title."""
216 return self.process.title
219 def title_then(self) -> str:
220 """Shortcut to .process.title.at(self.date)"""
221 title_then = self.process.title.at(self.date)
222 assert isinstance(title_then, str)
226 def effort_then(self) -> float:
227 """Shortcut to .process.effort.at(self.date)"""
228 effort_then = self.process.effort.at(self.date)
229 assert isinstance(effort_then, float)
233 def has_doneness_in_path(self) -> bool:
234 """Check whether self is done or has any children that are."""
237 for child in self.children:
240 if child.has_doneness_in_path:
244 def get_step_tree(self, seen_todos: set[int]) -> TodoNode:
245 """Return tree of depended-on Todos."""
247 def make_node(todo: Todo) -> TodoNode:
249 seen = todo.id_ in seen_todos
250 assert isinstance(todo.id_, int)
251 seen_todos.add(todo.id_)
252 for child in todo.children:
253 children += [make_node(child)]
254 return TodoNode(todo, seen, children)
256 return make_node(self)
259 def tree_effort(self) -> float:
260 """Return sum of performed efforts of self and all descendants."""
262 def walk_tree(node: Todo) -> float:
264 for child in node.children:
265 local_effort += walk_tree(child)
266 return node.performed_effort + local_effort
268 return walk_tree(self)
270 def add_child(self, child: Todo) -> None:
271 """Add child to self.children, avoid recursion, update parenthoods."""
273 def walk_steps(node: Todo) -> None:
274 if node.id_ == self.id_:
275 raise BadFormatException('bad child choice causes recursion')
276 for child in node.children:
280 raise HandledException('Can only add children to saved Todos.')
281 if child.id_ is None:
282 raise HandledException('Can only add saved children to Todos.')
283 if child in self.children:
284 raise BadFormatException('cannot adopt same child twice')
286 self.children += [child]
287 child.parents += [self]
289 def remove_child(self, child: Todo) -> None:
290 """Remove child from self.children, update counter relations."""
291 if child not in self.children:
292 raise HandledException('Cannot remove un-parented child.')
293 self.children.remove(child)
294 child.parents.remove(self)
296 def save(self, db_conn: DatabaseConnection) -> None:
297 """On save calls, also check if auto-deletion by effort < 0."""
298 if self.effort and self.effort < 0 and self.is_deletable:
302 self.__class__.days_to_update.add(self.date)
303 super().save(db_conn)
304 for condition in self.enables + self.disables + self.conditions:
305 condition.save(db_conn)
307 def remove(self, db_conn: DatabaseConnection) -> None:
308 """Remove from DB, including relations."""
309 if not self.is_deletable:
310 raise HandledException('Cannot remove non-deletable Todo.')
311 self.__class__.days_to_update.add(self.date)
312 children_to_remove = self.children[:]
313 parents_to_remove = self.parents[:]
314 for child in children_to_remove:
315 self.remove_child(child)
316 for parent in parents_to_remove:
317 parent.remove_child(self)
318 super().remove(db_conn)