X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;f=plomtask%2Ftodos.py;h=ce83faddff55278c0efe44f604f6a5fddfaa5851;hb=30538b26b3af74041fb6c907c2c142d8f2c11a0e;hp=2b9fd1d8edb2fa159f3955f469a6b3d394aa1efa;hpb=12195a1fe2c15334c866036eaa171eb8e92f0408;p=plomtask

diff --git a/plomtask/todos.py b/plomtask/todos.py
index 2b9fd1d..ce83fad 100644
--- a/plomtask/todos.py
+++ b/plomtask/todos.py
@@ -4,6 +4,7 @@ from sqlite3 import Row
 from plomtask.db import DatabaseConnection
 from plomtask.days import Day
 from plomtask.processes import Process
+from plomtask.conditions import Condition
 from plomtask.exceptions import (NotFoundException, BadFormatException,
                                  HandledException)
 
@@ -11,14 +12,23 @@ from plomtask.exceptions import (NotFoundException, BadFormatException,
 class Todo:
     """Individual actionable."""
 
+    # pylint: disable=too-many-instance-attributes
+
     def __init__(self, id_: int | None, process: Process,
                  is_done: bool, day: Day) -> None:
         self.id_ = id_
         self.process = process
-        self.is_done = is_done
+        self._is_done = is_done
         self.day = day
         self.children: list[Todo] = []
         self.parents: list[Todo] = []
+        self.conditions: list[Condition] = []
+        self.fulfills: list[Condition] = []
+        self.undoes: list[Condition] = []
+        if not self.id_:
+            self.conditions = process.conditions[:]
+            self.fulfills = process.fulfills[:]
+            self.undoes = process.undoes[:]
 
     @classmethod
     def from_table_row(cls, db_conn: DatabaseConnection, row: Row) -> Todo:
@@ -50,6 +60,15 @@ class Todo:
             for row in db_conn.exec('SELECT parent FROM todo_children '
                                     'WHERE child = ?', (id_,)):
                 todo.parents += [cls.by_id(db_conn, row[0])]
+            for row in db_conn.exec('SELECT condition FROM todo_conditions '
+                                    'WHERE todo = ?', (id_,)):
+                todo.conditions += [Condition.by_id(db_conn, row[0])]
+            for row in db_conn.exec('SELECT condition FROM todo_fulfills '
+                                    'WHERE todo = ?', (id_,)):
+                todo.fulfills += [Condition.by_id(db_conn, row[0])]
+            for row in db_conn.exec('SELECT condition FROM todo_undoes '
+                                    'WHERE todo = ?', (id_,)):
+                todo.undoes += [Condition.by_id(db_conn, row[0])]
         assert isinstance(todo, Todo)
         return todo
 
@@ -61,6 +80,76 @@ class Todo:
             todos += [cls.by_id(db_conn, row[0])]
         return todos
 
+    @classmethod
+    def enablers_for_at(cls, db_conn: DatabaseConnection, condition: Condition,
+                        date: str) -> list[Todo]:
+        """Collect all Todos of day that enable condition."""
+        enablers = []
+        for row in db_conn.exec('SELECT todo FROM todo_fulfills '
+                                'WHERE condition = ?', (condition.id_,)):
+            todo = cls.by_id(db_conn, row[0])
+            if todo.day.date == date:
+                enablers += [todo]
+        return enablers
+
+    @classmethod
+    def disablers_for_at(cls, db_conn: DatabaseConnection,
+                         condition: Condition, date: str) -> list[Todo]:
+        """Collect all Todos of day that disable condition."""
+        disablers = []
+        for row in db_conn.exec('SELECT todo FROM todo_undoes '
+                                'WHERE condition = ?', (condition.id_,)):
+            todo = cls.by_id(db_conn, row[0])
+            if todo.day.date == date:
+                disablers += [todo]
+        return disablers
+
+    @property
+    def is_doable(self) -> bool:
+        """Decide whether .is_done settable based on children, Conditions."""
+        for child in self.children:
+            if not child.is_done:
+                return False
+        for condition in self.conditions:
+            if not condition.is_active:
+                return False
+        return True
+
+    @property
+    def is_done(self) -> bool:
+        """Wrapper around self._is_done so we can control its setter."""
+        return self._is_done
+
+    @is_done.setter
+    def is_done(self, value: bool) -> None:
+        if value != self.is_done and not self.is_doable:
+            raise BadFormatException('cannot change doneness of undoable Todo')
+        if self._is_done != value:
+            self._is_done = value
+            if value is True:
+                for condition in self.fulfills:
+                    condition.is_active = True
+                for condition in self.undoes:
+                    condition.is_active = False
+
+    def set_undoes(self, db_conn: DatabaseConnection, ids: list[int]) -> None:
+        """Set self.undoes to Conditions identified by ids."""
+        self.set_conditions(db_conn, ids, 'undoes')
+
+    def set_fulfills(self, db_conn: DatabaseConnection,
+                     ids: list[int]) -> None:
+        """Set self.fulfills to Conditions identified by ids."""
+        self.set_conditions(db_conn, ids, 'fulfills')
+
+    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 add_child(self, child: Todo) -> None:
         """Add child to self.children, guard against recursion"""
         def walk_steps(node: Todo) -> None:
@@ -93,3 +182,24 @@ class Todo:
         for child in self.children:
             db_conn.exec('INSERT INTO todo_children VALUES (?, ?)',
                          (self.id_, child.id_))
+        db_conn.exec('DELETE FROM todo_fulfills WHERE todo = ?', (self.id_,))
+        for condition in self.fulfills:
+            if condition.id_ is None:
+                raise NotFoundException('Fulfilled Condition of Todo '
+                                        'without ID (not saved?)')
+            db_conn.exec('INSERT INTO todo_fulfills VALUES (?, ?)',
+                         (self.id_, condition.id_))
+        db_conn.exec('DELETE FROM todo_undoes WHERE todo = ?', (self.id_,))
+        for condition in self.undoes:
+            if condition.id_ is None:
+                raise NotFoundException('Undone Condition of Todo '
+                                        'without ID (not saved?)')
+            db_conn.exec('INSERT INTO todo_undoes VALUES (?, ?)',
+                         (self.id_, condition.id_))
+        db_conn.exec('DELETE FROM todo_conditions WHERE todo = ?', (self.id_,))
+        for condition in self.conditions:
+            if condition.id_ is None:
+                raise NotFoundException('Condition of Todo '
+                                        'without ID (not saved?)')
+            db_conn.exec('INSERT INTO todo_conditions VALUES (?, ?)',
+                         (self.id_, condition.id_))