Add basic sorting features to Condition, Process table views.

[plomtask] / plomtask / conditions.py

diff --git a/plomtask/conditions.py b/plomtask/conditions.py
index 337970924ab25305d64abef13afe24148b0209b1..a6e9c97c6bdc05acf654ecda21317df1fbe04e85 100644 (file)
--- a/plomtask/conditions.py
+++ b/plomtask/conditions.py
@@ -3,7 +3,7 @@ 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.versioned_attributes import VersionedAttribute
 from plomtask.exceptions import HandledException
 
 
@@ -11,6 +11,7 @@ class Condition(BaseModel[int]):
     """Non-Process dependency for ProcessSteps and Todos."""
     table_name = 'conditions'
     to_save = ['is_active']
+    to_save_versioned = ['title', 'description']
 
     def __init__(self, id_: int | None, is_active: bool = False) -> None:
         super().__init__(id_)
@@ -30,15 +31,14 @@ class Condition(BaseModel[int]):
                 getattr(condition, name).history_from_row(row_)
         return condition
 
-    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)
-
     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}'