"""Non-doable elements of ProcessStep/Todo chains."""
from __future__ import annotations
-from typing import Any
-from sqlite3 import Row
from plomtask.db import DatabaseConnection, BaseModel
from plomtask.versioned_attributes import VersionedAttribute
from plomtask.exceptions import HandledException
table_name = 'conditions'
to_save = ['is_active']
to_save_versioned = ['title', 'description']
+ to_search = ['title.newest', 'description.newest']
+ can_create_by_id = True
def __init__(self, id_: int | None, is_active: bool = False) -> None:
super().__init__(id_)
self.description = VersionedAttribute(self, 'condition_descriptions',
'')
- @classmethod
- def from_table_row(cls, db_conn: DatabaseConnection,
- row: Row | list[Any]) -> Condition:
- """Build condition from row, including VersionedAttributes."""
- condition = super().from_table_row(db_conn, row)
- for name in ('title', 'description'):
- table_name = f'condition_{name}s'
- for row_ in db_conn.row_where(table_name, 'parent', row[0]):
- getattr(condition, name).history_from_row(row_)
- return condition
-
def remove(self, db_conn: DatabaseConnection) -> None:
"""Remove from DB, with VersionedAttributes.
Checks for Todos and Processes that depend on Condition, prohibits
deletion if found.
"""
- if self.id_ is None:
- raise HandledException('cannot remove unsaved item')
- for item in ('process', 'todo'):
- for attr in ('conditions', 'enables', 'disables'):
- table_name = f'{item}_{attr}'
- for _ in db_conn.row_where(table_name, 'condition', self.id_):
- raise HandledException('cannot remove Condition in use')
+ if self.id_ is not None:
+ for item in ('process', 'todo'):
+ for attr in ('conditions', 'blockers', 'enables', 'disables'):
+ table_name = f'{item}_{attr}'
+ for _ in db_conn.row_where(table_name, 'condition',
+ self.id_):
+ msg = 'cannot remove Condition in use'
+ raise HandledException(msg)
super().remove(db_conn)
class ConditionsRelations:
"""Methods for handling relations to Conditions, for Todo and Process."""
+ def __init__(self) -> None:
+ self.conditions: list[Condition] = []
+ self.blockers: list[Condition] = []
+ self.enables: list[Condition] = []
+ self.disables: list[Condition] = []
+
def set_conditions(self, db_conn: DatabaseConnection, ids: list[int],
target: str = 'conditions') -> None:
"""Set self.[target] to Conditions identified by ids."""
for id_ in ids:
target_list += [Condition.by_id(db_conn, id_)]
+ def set_blockers(self, db_conn: DatabaseConnection,
+ ids: list[int]) -> None:
+ """Set self.enables to Conditions identified by ids."""
+ self.set_conditions(db_conn, ids, 'blockers')
+
def set_enables(self, db_conn: DatabaseConnection,
ids: list[int]) -> None:
"""Set self.enables to Conditions identified by ids."""