actionbar: move BarAction and add execute method

We will be executing baractions in multiple places, so factor this
out.

Signed-off-by: William Casarin <jb55@jb55.com>

src/actionbar.rs

@@ -0,0 +1,30 @@
+use crate::{route::Route, Damus};
+use enostr::NoteId;
+
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
+pub enum BarAction {
+    Reply,
+    OpenThread,
+}
+
+impl BarAction {
+    pub fn execute(self, app: &mut Damus, timeline: usize, replying_to: &[u8; 32]) {
+        match self {
+            BarAction::Reply => {
+                let timeline = &mut app.timelines[timeline];
+                timeline
+                    .routes
+                    .push(Route::Reply(NoteId::new(replying_to.to_owned())));
+                timeline.navigating = true;
+            }
+
+            BarAction::OpenThread => {
+                let timeline = &mut app.timelines[timeline];
+                timeline
+                    .routes
+                    .push(Route::Thread(NoteId::new(replying_to.to_owned())));
+                timeline.navigating = true;
+            }
+        }
+    }
+}