X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;ds=inline;f=plomtask%2Fconditions.py;h=d2559272cd876c5b071b59437998e3356409cd07;hb=30aef71506f7d6215b04cddaba8fddba1788f883;hp=cd147cb79cafcfd81f4672fae0a0b6296201ff6a;hpb=c2004503dc42449f1fa129b8e56eeef0a6df4712;p=plomtask
diff --git a/plomtask/conditions.py b/plomtask/conditions.py
index cd147cb..d255927 100644
--- a/plomtask/conditions.py
+++ b/plomtask/conditions.py
@@ -3,17 +3,19 @@ from __future__ import annotations
from typing import Any
from sqlite3 import Row
from plomtask.db import DatabaseConnection, BaseModel
-from plomtask.misc import VersionedAttribute
-from plomtask.exceptions import NotFoundException
+from plomtask.versioned_attributes import VersionedAttribute
+from plomtask.exceptions import HandledException
-class Condition(BaseModel):
- """Non Process-dependency for ProcessSteps and Todos."""
+class Condition(BaseModel[int]):
+ """Non-Process dependency for ProcessSteps and Todos."""
table_name = 'conditions'
to_save = ['is_active']
+ to_save_versioned = ['title', 'description']
+ to_search = ['title.newest', 'description.newest']
def __init__(self, id_: int | None, is_active: bool = False) -> None:
- self.set_int_id(id_)
+ super().__init__(id_)
self.is_active = is_active
self.title = VersionedAttribute(self, 'condition_titles', 'UNNAMED')
self.description = VersionedAttribute(self, 'condition_descriptions',
@@ -24,53 +26,37 @@ class Condition(BaseModel):
row: Row | list[Any]) -> Condition:
"""Build condition from row, including VersionedAttributes."""
condition = super().from_table_row(db_conn, row)
- assert isinstance(condition, Condition)
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
- @classmethod
- def all(cls, db_conn: DatabaseConnection) -> list[Condition]:
- """Collect all Conditions and their VersionedAttributes."""
- conditions = {}
- for id_, condition in db_conn.cached_conditions.items():
- conditions[id_] = condition
- already_recorded = conditions.keys()
- for id_ in db_conn.column_all('conditions', 'id'):
- if id_ not in already_recorded:
- condition = cls.by_id(db_conn, id_)
- conditions[condition.id_] = condition
- return list(conditions.values())
-
- @classmethod
- def by_id(cls, db_conn: DatabaseConnection, id_: int | None,
- create: bool = False) -> Condition:
- """Collect (or create) Condition and its VersionedAttributes."""
- condition = None
- if id_:
- condition, _ = super()._by_id(db_conn, id_)
- if not condition:
- if not create:
- raise NotFoundException(f'Condition not found of id: {id_}')
- condition = cls(id_, False)
- condition.save(db_conn)
- assert isinstance(condition, Condition)
- return condition
+ def remove(self, db_conn: DatabaseConnection) -> None:
+ """Remove from DB, with VersionedAttributes.
- def save(self, db_conn: DatabaseConnection) -> None:
- """Save self and its VersionedAttributes to DB and cache."""
- self.save_core(db_conn)
- self.title.save(db_conn)
- self.description.save(db_conn)
- assert isinstance(self.id_, int)
- db_conn.cached_conditions[self.id_] = self
+ 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', 'blockers', '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')
+ 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."""
@@ -80,6 +66,11 @@ class ConditionsRelations:
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."""