2 from __future__ import annotations
3 from dataclasses import dataclass
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']
38 # pylint: disable=too-many-arguments
39 def __init__(self, id_: int | None,
42 date: str, comment: str = '',
43 effort: None | float = None,
44 calendarize: bool = False) -> None:
45 BaseModel.__init__(self, id_)
46 ConditionsRelations.__init__(self)
47 if process.id_ is None:
48 raise NotFoundException('Process of Todo without ID (not saved?)')
49 self.process = process
50 self._is_done = is_done
51 self.date = valid_date(date)
52 self.comment = comment
54 self.children: list[Todo] = []
55 self.parents: list[Todo] = []
56 self.calendarize = calendarize
58 self.calendarize = self.process.calendarize
59 self.conditions = self.process.conditions[:]
60 self.blockers = self.process.blockers[:]
61 self.enables = self.process.enables[:]
62 self.disables = self.process.disables[:]
65 def by_date_range(cls, db_conn: DatabaseConnection,
66 date_range: tuple[str, str] = ('', '')) -> list[Todo]:
67 """Collect Todos of Days within date_range."""
68 todos, _, _ = cls.by_date_range_with_limits(db_conn, date_range)
72 def create_with_children(cls, db_conn: DatabaseConnection,
73 process_id: int, date: str) -> Todo:
74 """Create Todo of process for date, ensure children."""
76 def key_order_func(n: ProcessStepsNode) -> int:
77 assert isinstance(n.process.id_, int)
80 def walk_steps(parent: Todo, step_node: ProcessStepsNode) -> Todo:
81 adoptables = [t for t in cls.by_date(db_conn, date)
82 if (t not in parent.children)
84 and step_node.process == t.process]
86 for adoptable in adoptables:
90 satisfier = cls(None, step_node.process, False, date)
91 satisfier.save(db_conn)
92 sub_step_nodes = list(step_node.steps.values())
93 sub_step_nodes.sort(key=key_order_func)
94 for sub_node in sub_step_nodes:
95 if sub_node.is_suppressed:
97 n_slots = len([n for n in sub_step_nodes
98 if n.process == sub_node.process])
99 filled_slots = len([t for t in satisfier.children
100 if t.process == sub_node.process])
101 # if we did not newly create satisfier, it may already fill
102 # some step dependencies, so only fill what remains open
103 if n_slots - filled_slots > 0:
104 satisfier.add_child(walk_steps(satisfier, sub_node))
105 satisfier.save(db_conn)
108 process = Process.by_id(db_conn, process_id)
109 todo = cls(None, process, False, date)
111 steps_tree = process.get_steps(db_conn)
112 for step_node in steps_tree.values():
113 if step_node.is_suppressed:
115 todo.add_child(walk_steps(todo, step_node))
120 def from_table_row(cls, db_conn: DatabaseConnection,
121 row: Row | list[Any]) -> Todo:
122 """Make from DB row, with dependencies."""
124 raise NotFoundException('calling Todo of '
126 row_as_list = list(row)
127 row_as_list[1] = Process.by_id(db_conn, row[1])
128 todo = super().from_table_row(db_conn, row_as_list)
129 assert isinstance(todo.id_, int)
130 for t_id in db_conn.column_where('todo_children', 'child',
132 # pylint: disable=no-member
133 todo.children += [cls.by_id(db_conn, t_id)]
134 for t_id in db_conn.column_where('todo_children', 'parent',
136 # pylint: disable=no-member
137 todo.parents += [cls.by_id(db_conn, t_id)]
138 for name in ('conditions', 'blockers', 'enables', 'disables'):
139 table = f'todo_{name}'
140 assert isinstance(todo.id_, int)
141 for cond_id in db_conn.column_where(table, 'condition',
143 target = getattr(todo, name)
144 target += [Condition.by_id(db_conn, cond_id)]
148 def by_process_id(cls, db_conn: DatabaseConnection,
149 process_id: int | None) -> list[Todo]:
150 """Collect all Todos of Process of process_id."""
151 return [t for t in cls.all(db_conn) if t.process.id_ == process_id]
154 def by_date(cls, db_conn: DatabaseConnection, date: str) -> list[Todo]:
155 """Collect all Todos for Day of date."""
156 return cls.by_date_range(db_conn, (date, date))
159 def total_effort_at_date(cls, db_conn: DatabaseConnection, date: str
161 """Sum all .performed_effort of Todos at Day of date."""
163 days_todos = cls.by_date(db_conn, date)
164 for todo in days_todos:
165 total_effort += todo.performed_effort
169 def is_doable(self) -> bool:
170 """Decide whether .is_done settable based on children, Conditions."""
171 for child in self.children:
172 if not child.is_done:
174 for condition in self.conditions:
175 if not condition.is_active:
177 for condition in self.blockers:
178 if condition.is_active:
183 def is_deletable(self) -> bool:
184 """Decide whether self be deletable (not if preserve-worthy values)."""
187 if self.effort and self.effort >= 0:
192 def performed_effort(self) -> float:
193 """Return performed effort, i.e. self.effort or default if done.."""
194 if self.effort is not None:
197 return self.effort_then
201 def process_id(self) -> int | str | None:
202 """Needed for super().save to save Processes as attributes."""
203 return self.process.id_
206 def is_done(self) -> bool:
207 """Wrapper around self._is_done so we can control its setter."""
211 def is_done(self, value: bool) -> None:
212 if value != self.is_done and not self.is_doable:
213 raise BadFormatException('cannot change doneness of undoable Todo')
214 if self._is_done != value:
215 self._is_done = value
217 for condition in self.enables:
218 condition.is_active = True
219 for condition in self.disables:
220 condition.is_active = False
223 def title(self) -> VersionedAttribute:
224 """Shortcut to .process.title."""
225 return self.process.title
228 def title_then(self) -> str:
229 """Shortcut to .process.title.at(self.date)"""
230 title_then = self.process.title.at(self.date)
231 assert isinstance(title_then, str)
235 def effort_then(self) -> float:
236 """Shortcut to .process.effort.at(self.date)"""
237 effort_then = self.process.effort.at(self.date)
238 assert isinstance(effort_then, float)
242 def has_doneness_in_path(self) -> bool:
243 """Check whether self is done or has any children that are."""
246 for child in self.children:
249 if child.has_doneness_in_path:
253 def get_step_tree(self, seen_todos: set[int]) -> TodoNode:
254 """Return tree of depended-on Todos."""
256 def make_node(todo: Todo) -> TodoNode:
258 seen = todo.id_ in seen_todos
259 assert isinstance(todo.id_, int)
260 seen_todos.add(todo.id_)
261 for child in todo.children:
262 children += [make_node(child)]
263 return TodoNode(todo, seen, children)
265 return make_node(self)
268 def tree_effort(self) -> float:
269 """Return sum of performed efforts of self and all descendants."""
271 def walk_tree(node: Todo) -> float:
273 for child in node.children:
274 local_effort += walk_tree(child)
275 return node.performed_effort + local_effort
277 return walk_tree(self)
279 def add_child(self, child: Todo) -> None:
280 """Add child to self.children, avoid recursion, update parenthoods."""
282 def walk_steps(node: Todo) -> None:
283 if node.id_ == self.id_:
284 raise BadFormatException('bad child choice causes recursion')
285 for child in node.children:
289 raise HandledException('Can only add children to saved Todos.')
290 if child.id_ is None:
291 raise HandledException('Can only add saved children to Todos.')
292 if child in self.children:
293 raise BadFormatException('cannot adopt same child twice')
295 self.children += [child]
296 child.parents += [self]
298 def remove_child(self, child: Todo) -> None:
299 """Remove child from self.children, update counter relations."""
300 if child not in self.children:
301 raise HandledException('Cannot remove un-parented child.')
302 self.children.remove(child)
303 child.parents.remove(self)
305 def save(self, db_conn: DatabaseConnection) -> None:
306 """On save calls, also check if auto-deletion by effort < 0."""
307 if self.effort and self.effort < 0 and self.is_deletable:
310 super().save(db_conn)
312 def remove(self, db_conn: DatabaseConnection) -> None:
313 """Remove from DB, including relations."""
314 if not self.is_deletable:
315 raise HandledException('Cannot remove non-deletable Todo.')
316 children_to_remove = self.children[:]
317 parents_to_remove = self.parents[:]
318 for child in children_to_remove:
319 self.remove_child(child)
320 for parent in parents_to_remove:
321 parent.remove_child(self)
322 super().remove(db_conn)