Disable Todo.is_done setting if children are not done yet.

[plomtask] / plomtask / todos.py

diff --git a/plomtask/todos.py b/plomtask/todos.py
index 2b9fd1d8edb2fa159f3955f469a6b3d394aa1efa..43ada0b6a04f3df387c1f1933356e1e2b1832fbc 100644 (file)
--- a/plomtask/todos.py
+++ b/plomtask/todos.py
@@ -61,6 +61,14 @@ class Todo:
             todos += [cls.by_id(db_conn, row[0])]
         return todos
 
+    @property
+    def is_doable(self) -> bool:
+        """Decide whether .is_done can be set to True based on children's."""
+        for child in self.children:
+            if not child.is_done:
+                return False
+        return True
+
     def add_child(self, child: Todo) -> None:
         """Add child to self.children, guard against recursion"""
         def walk_steps(node: Todo) -> None: