X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=plomtask%2Fprocesses.py;h=32eee4d350db5ed78f4501f7016688f5c174c7cb;hb=8e1a5416151dbcf506f2435823362e21d85aed2d;hp=9c5c824376ccad12b73892023d924a04e95b7ce8;hpb=33cff8c5f6427c4e7e617c459ee024b5b6c2d32e;p=plomtask diff --git a/plomtask/processes.py b/plomtask/processes.py index 9c5c824..32eee4d 100644 --- a/plomtask/processes.py +++ b/plomtask/processes.py @@ -1,13 +1,24 @@ """Collecting Processes and Process-related items.""" from __future__ import annotations -from typing import Any, Set +from dataclasses import dataclass +from typing import Set from plomtask.db import DatabaseConnection, BaseModel from plomtask.misc import VersionedAttribute -from plomtask.conditions import Condition +from plomtask.conditions import Condition, ConditionsRelations from plomtask.exceptions import NotFoundException, BadFormatException -class Process(BaseModel): +@dataclass +class ProcessStepsNode: + """Collects what's useful to know for ProcessSteps tree display.""" + process: Process + parent_id: int | None + is_explicit: bool + steps: dict[int, ProcessStepsNode] + seen: bool + + +class Process(BaseModel, ConditionsRelations): """Template for, and metadata for, Todos, and their arrangements.""" table_name = 'processes' @@ -20,8 +31,8 @@ class Process(BaseModel): self.effort = VersionedAttribute(self, 'process_efforts', 1.0) self.explicit_steps: list[ProcessStep] = [] self.conditions: list[Condition] = [] - self.fulfills: list[Condition] = [] - self.undoes: list[Condition] = [] + self.enables: list[Condition] = [] + self.disables: list[Condition] = [] @classmethod def all(cls, db_conn: DatabaseConnection) -> list[Process]: @@ -30,9 +41,9 @@ class Process(BaseModel): for id_, process in db_conn.cached_processes.items(): processes[id_] = process already_recorded = processes.keys() - for row in db_conn.exec('SELECT id FROM processes'): - if row[0] not in already_recorded: - process = cls.by_id(db_conn, row[0]) + for id_ in db_conn.column_all('processes', 'id'): + if id_ not in already_recorded: + process = cls.by_id(db_conn, id_) processes[process.id_] = process return list(processes.values()) @@ -47,63 +58,59 @@ class Process(BaseModel): if not create: raise NotFoundException(f'Process not found of id: {id_}') process = Process(id_) - for row in db_conn.exec('SELECT * FROM process_titles ' - 'WHERE parent = ?', (process.id_,)): - process.title.history[row[1]] = row[2] - for row in db_conn.exec('SELECT * FROM process_descriptions ' - 'WHERE parent = ?', (process.id_,)): - process.description.history[row[1]] = row[2] - for row in db_conn.exec('SELECT * FROM process_efforts ' - 'WHERE parent = ?', (process.id_,)): - process.effort.history[row[1]] = row[2] - for row in db_conn.exec('SELECT * FROM process_steps ' - 'WHERE owner = ?', (process.id_,)): - process.explicit_steps += [ProcessStep.from_table_row(db_conn, - row)] - for row in db_conn.exec('SELECT condition FROM process_conditions ' - 'WHERE process = ?', (process.id_,)): - process.conditions += [Condition.by_id(db_conn, row[0])] - for row in db_conn.exec('SELECT condition FROM process_fulfills ' - 'WHERE process = ?', (process.id_,)): - process.fulfills += [Condition.by_id(db_conn, row[0])] - for row in db_conn.exec('SELECT condition FROM process_undoes ' - 'WHERE process = ?', (process.id_,)): - process.undoes += [Condition.by_id(db_conn, row[0])] + if isinstance(process.id_, int): + for name in ('title', 'description', 'effort'): + table = f'process_{name}s' + for row in db_conn.row_where(table, 'parent', process.id_): + getattr(process, name).history_from_row(row) + for row in db_conn.row_where('process_steps', 'owner', + process.id_): + step = ProcessStep.from_table_row(db_conn, row) + process.explicit_steps += [step] + for name in ('conditions', 'enables', 'disables'): + table = f'process_{name}' + for cond_id in db_conn.column_where(table, 'condition', + 'process', process.id_): + target = getattr(process, name) + target += [Condition.by_id(db_conn, cond_id)] assert isinstance(process, Process) return process def used_as_step_by(self, db_conn: DatabaseConnection) -> list[Process]: """Return Processes using self for a ProcessStep.""" + if not self.id_: + return [] owner_ids = set() - for owner_id in db_conn.exec('SELECT owner FROM process_steps WHERE' - ' step_process = ?', (self.id_,)): - owner_ids.add(owner_id[0]) + for id_ in db_conn.column_where('process_steps', 'owner', + 'step_process', self.id_): + owner_ids.add(id_) return [self.__class__.by_id(db_conn, id_) for id_ in owner_ids] def get_steps(self, db_conn: DatabaseConnection, external_owner: - Process | None = None) -> dict[int, dict[str, object]]: + Process | None = None) -> dict[int, ProcessStepsNode]: """Return tree of depended-on explicit and implicit ProcessSteps.""" - def make_node(step: ProcessStep) -> dict[str, object]: + def make_node(step: ProcessStep) -> ProcessStepsNode: is_explicit = False if external_owner is not None: is_explicit = step.owner_id == external_owner.id_ process = self.__class__.by_id(db_conn, step.step_process_id) step_steps = process.get_steps(db_conn, external_owner) - return {'process': process, 'parent_id': step.parent_step_id, - 'is_explicit': is_explicit, 'steps': step_steps} + return ProcessStepsNode(process, step.parent_step_id, + is_explicit, step_steps, False) - def walk_steps(node_id: int, node: dict[str, Any]) -> None: + def walk_steps(node_id: int, node: ProcessStepsNode) -> None: explicit_children = [s for s in self.explicit_steps if s.parent_step_id == node_id] for child in explicit_children: - node['steps'][child.id_] = make_node(child) - node['seen'] = node_id in seen_step_ids + assert isinstance(child.id_, int) + node.steps[child.id_] = make_node(child) + node.seen = node_id in seen_step_ids seen_step_ids.add(node_id) - for id_, step in node['steps'].items(): + for id_, step in node.steps.items(): walk_steps(id_, step) - steps: dict[int, dict[str, object]] = {} + steps: dict[int, ProcessStepsNode] = {} seen_step_ids: Set[int] = set() if external_owner is None: external_owner = self @@ -115,24 +122,6 @@ class Process(BaseModel): walk_steps(step_id, step_node) return steps - def set_conditions(self, db_conn: DatabaseConnection, ids: list[int], - trgt: str = 'conditions') -> None: - """Set self.[target] to Conditions identified by ids.""" - trgt_list = getattr(self, trgt) - while len(trgt_list) > 0: - trgt_list.pop() - for id_ in ids: - trgt_list += [Condition.by_id(db_conn, id_)] - - 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_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 _add_step(self, db_conn: DatabaseConnection, id_: int | None, @@ -147,12 +136,14 @@ class Process(BaseModel): just deleted under its feet), or if the parent step would not be owned by the current Process. """ + def walk_steps(node: ProcessStep) -> None: if node.step_process_id == self.id_: raise BadFormatException('bad step selection causes recursion') step_process = self.by_id(db_conn, node.step_process_id) for step in step_process.explicit_steps: walk_steps(step) + if parent_step_id is not None: try: parent_step = ProcessStep.by_id(db_conn, parent_step_id) @@ -170,12 +161,12 @@ class Process(BaseModel): def set_steps(self, db_conn: DatabaseConnection, steps: list[tuple[int | None, int, int | None]]) -> None: """Set self.explicit_steps in bulk.""" + assert isinstance(self.id_, int) for step in self.explicit_steps: assert isinstance(step.id_, int) del db_conn.cached_process_steps[step.id_] self.explicit_steps = [] - db_conn.exec('DELETE FROM process_steps WHERE owner = ?', - (self.id_,)) + db_conn.delete_where('process_steps', 'owner', self.id_) for step_tuple in steps: self._add_step(db_conn, step_tuple[0], step_tuple[1], step_tuple[2]) @@ -183,27 +174,17 @@ class Process(BaseModel): def save(self, db_conn: DatabaseConnection) -> None: """Add (or re-write) self and connected items to DB.""" self.save_core(db_conn) + assert isinstance(self.id_, int) self.title.save(db_conn) self.description.save(db_conn) self.effort.save(db_conn) - db_conn.exec('DELETE FROM process_conditions WHERE process = ?', - (self.id_,)) - for condition in self.conditions: - db_conn.exec('INSERT INTO process_conditions VALUES (?,?)', - (self.id_, condition.id_)) - db_conn.exec('DELETE FROM process_fulfills WHERE process = ?', - (self.id_,)) - for condition in self.fulfills: - db_conn.exec('INSERT INTO process_fulfills VALUES (?,?)', - (self.id_, condition.id_)) - db_conn.exec('DELETE FROM process_undoes WHERE process = ?', - (self.id_,)) - for condition in self.undoes: - db_conn.exec('INSERT INTO process_undoes VALUES (?,?)', - (self.id_, condition.id_)) - assert isinstance(self.id_, int) - db_conn.exec('DELETE FROM process_steps WHERE owner = ?', - (self.id_,)) + db_conn.rewrite_relations('process_conditions', 'process', self.id_, + [[c.id_] for c in self.conditions]) + db_conn.rewrite_relations('process_enables', 'process', self.id_, + [[c.id_] for c in self.enables]) + db_conn.rewrite_relations('process_disables', 'process', self.id_, + [[c.id_] for c in self.disables]) + db_conn.delete_where('process_steps', 'owner', self.id_) for step in self.explicit_steps: step.save(db_conn) db_conn.cached_processes[self.id_] = self