X-Git-Url: https://plomlompom.com/repos/%22https:/validator.w3.org/static/git-favicon.png?a=blobdiff_plain;ds=sidebyside;f=plomtask%2Fconditions.py;h=15dcb9df623c60378485632ce3bebc4c30f03d47;hb=HEAD;hp=d2559272cd876c5b071b59437998e3356409cd07;hpb=85c260d1416340274b954175a69563868f481bc5;p=plomtask

diff --git a/plomtask/conditions.py b/plomtask/conditions.py
index d255927..8d41604 100644
--- a/plomtask/conditions.py
+++ b/plomtask/conditions.py
@@ -1,7 +1,5 @@
 """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
@@ -10,27 +8,20 @@ from plomtask.exceptions import HandledException
 class Condition(BaseModel[int]):
     """Non-Process dependency for ProcessSteps and Todos."""
     table_name = 'conditions'
-    to_save = ['is_active']
-    to_save_versioned = ['title', 'description']
+    to_save_simples = ['is_active']
+    versioned_defaults = {'title': 'UNNAMED', 'description': ''}
     to_search = ['title.newest', 'description.newest']
+    can_create_by_id = True
+    sorters = {'is_active': lambda c: c.is_active,
+               'title': lambda c: c.title.newest}
 
     def __init__(self, id_: int | None, is_active: bool = False) -> None:
         super().__init__(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 | 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
+        for name in ['title', 'description']:
+            attr = VersionedAttribute(self, f'condition_{name}s',
+                                      self.versioned_defaults[name])
+            setattr(self, name, attr)
 
     def remove(self, db_conn: DatabaseConnection) -> None:
         """Remove from DB, with VersionedAttributes.
@@ -38,18 +29,20 @@ class Condition(BaseModel[int]):
         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')
+        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."""
+    # pylint: disable=too-few-public-methods
 
     def __init__(self) -> None:
         self.conditions: list[Condition] = []
@@ -57,26 +50,21 @@ class ConditionsRelations:
         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."""
-        target_list = getattr(self, target)
-        while len(target_list) > 0:
-            target_list.pop()
-        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."""
-        self.set_conditions(db_conn, ids, 'enables')
-
-    def set_disables(self, db_conn: DatabaseConnection,
-                     ids: list[int]) -> None:
-        """Set self.disables to Conditions identified by ids."""
-        self.set_conditions(db_conn, ids, 'disables')
+    def set_condition_relations(self,
+                                db_conn: DatabaseConnection,
+                                ids_conditions: list[int],
+                                ids_blockers: list[int],
+                                ids_enables: list[int],
+                                ids_disables: list[int]
+                                ) -> None:
+        """Set owned Condition lists to those identified by respective IDs."""
+        # pylint: disable=too-many-arguments
+        for ids, target in [(ids_conditions, 'conditions'),
+                            (ids_blockers, 'blockers'),
+                            (ids_enables, 'enables'),
+                            (ids_disables, 'disables')]:
+            target_list = getattr(self, target)
+            while len(target_list) > 0:
+                target_list.pop()
+            for id_ in ids:
+                target_list += [Condition.by_id(db_conn, id_)]