from typing import Any
from sqlite3 import Row
from plomtask.db import DatabaseConnection, BaseModel
-from plomtask.misc import VersionedAttribute
+from plomtask.versioned_attributes import VersionedAttribute
from plomtask.exceptions import HandledException
self.description.save(db_conn)
def remove(self, db_conn: DatabaseConnection) -> None:
- """Remove from DB, with dependencies."""
- assert isinstance(self.id_, int)
+ """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')
+ db_conn.delete_where('condition_titles', 'parent', self.id_)
+ db_conn.delete_where('condition_descriptions', 'parent', self.id_)
super().remove(db_conn)