"""Non-doable elements of ProcessStep/Todo chains."""
from __future__ import annotations
+from typing import Any
from sqlite3 import Row
-from plomtask.db import DatabaseConnection
+from plomtask.db import DatabaseConnection, BaseModel
from plomtask.misc import VersionedAttribute
-from plomtask.exceptions import BadFormatException, NotFoundException
+from plomtask.exceptions import NotFoundException
-class Condition:
+class Condition(BaseModel):
"""Non Process-dependency for ProcessSteps and Todos."""
+ table_name = 'conditions'
+ to_save = ['is_active']
def __init__(self, id_: int | None, is_active: bool = False) -> None:
- if (id_ is not None) and id_ < 1:
- msg = f'illegal Condition ID, must be >=1: {id_}'
- raise BadFormatException(msg)
- self.id_ = id_
+ self.set_int_id(id_)
self.is_active = is_active
self.title = VersionedAttribute(self, 'condition_titles', 'UNNAMED')
self.description = VersionedAttribute(self, 'condition_descriptions',
@classmethod
def from_table_row(cls, db_conn: DatabaseConnection,
- row: Row) -> Condition:
+ row: Row | list[Any]) -> Condition:
"""Build condition from row, including VersionedAttributes."""
- condition = cls(row[0], row[1])
- for title_row in db_conn.exec('SELECT * FROM condition_titles '
- 'WHERE parent_id = ?', (row[0],)):
- condition.title.history[title_row[1]] = title_row[2]
- for desc_row in db_conn.exec('SELECT * FROM condition_descriptions '
- 'WHERE parent_id = ?', (row[0],)):
- condition.description.history[desc_row[1]] = desc_row[2]
+ 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.all_where(table_name, 'parent', row[0]):
+ getattr(condition, name).history_from_row(row_)
return condition
@classmethod
create: bool = False) -> Condition:
"""Collect (or create) Condition and its VersionedAttributes."""
condition = None
- if id_ in db_conn.cached_conditions.keys():
- condition = db_conn.cached_conditions[id_]
- else:
- for row in db_conn.exec('SELECT * FROM conditions WHERE id = ?',
- (id_,)):
- condition = cls.from_table_row(db_conn, row)
- break
+ 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 save(self, db_conn: DatabaseConnection) -> None:
"""Save self and its VersionedAttributes to DB and cache."""
- cursor = db_conn.exec('REPLACE INTO conditions VALUES (?, ?)',
- (self.id_, self.is_active))
- self.id_ = cursor.lastrowid
+ self.save_core(db_conn)
self.title.save(db_conn)
self.description.save(db_conn)
- assert self.id_ is not None
+ assert isinstance(self.id_, int)
db_conn.cached_conditions[self.id_] = self