Release 0.5.1

src/content/mod.rs

@@ -348,15 +348,29 @@ pub struct SelfTransition {
     /// with a case for as long as it runs, not only on the day they
     /// sent it: an applicant written to for a missing drawing answers
     /// from `incomplete`, and may withdraw from anywhere along the
-    /// way. Defaults to the initial state alone, which is what every
-    /// one-shot "unsubscribe" link wants and what this was before it
-    /// could be said.
-    #[serde(default = "initial_state_only")]
+    /// way.
+    ///
+    /// Empty means the bucket's own initial state, which is the
+    /// one-shot "confirm" or "unsubscribe" link every one of these was
+    /// before it could say otherwise. Its own initial state, not the
+    /// word `open`: a bucket whose records start at `pending` has a
+    /// confirmation link that fires from `pending`, and reading the
+    /// literal here is what made redoal's watch-confirm button a rule
+    /// the engine would never match.
+    #[serde(default)]
     pub from: Vec<String>,
 }
 
-fn initial_state_only() -> Vec<String> {
-    vec![crate::answers::OPEN_STATE.to_string()]
+impl SelfTransition {
+    /// The states this move may be made from, with the bucket's
+    /// initial state standing in when the content named none.
+    pub fn from_states(&self, initial: &str) -> Vec<String> {
+        if self.from.is_empty() {
+            vec![initial.to_string()]
+        } else {
+            self.from.clone()
+        }
+    }
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]