feat(settings): allow sorting thread replies newest first

crates/notedeck/src/persist/mod.rs

@@ -5,6 +5,7 @@ mod token_handler;
 mod zoom;
 
 pub use app_size::AppSizeHandler;
+pub use settings_handler::Settings;
 pub use settings_handler::SettingsHandler;
 pub use theme_handler::ThemeHandler;
 pub use token_handler::TokenHandler;

crates/notedeck/src/persist/settings_handler.rs

@@ -29,6 +29,7 @@ pub struct Settings {
     pub locale: String,
     pub zoom_factor: f32,
     pub show_source_client: String,
+    pub show_replies_newest_first: bool,
 }
 
 impl Default for Settings {
@@ -38,10 +39,12 @@ impl Default for Settings {
             theme: DEFAULT_THEME,
             locale: DEFAULT_LOCALE.to_string(),
             zoom_factor: DEFAULT_ZOOM_FACTOR,
-            show_source_client: "Hide".to_string(),
+            show_source_client: DEFAULT_SHOW_SOURCE_CLIENT.to_string(),
+            show_replies_newest_first: false,
         }
     }
 }
+
 pub struct SettingsHandler {
     directory: Directory,
     current_settings: Option<Settings>,
@@ -129,7 +132,7 @@ impl SettingsHandler {
         };
     }
 
-    fn get_settings_mut(&mut self) -> &mut Settings {
+    pub fn get_settings_mut(&mut self) -> &mut Settings {
         if self.current_settings.is_none() {
             self.current_settings = Some(Settings::default());
         }
@@ -162,6 +165,11 @@ impl SettingsHandler {
         self.save();
     }
 
+    pub fn set_show_replies_newest_first(&mut self, value: bool) {
+        self.get_settings_mut().show_replies_newest_first = value;
+        self.save();
+    }
+
     pub fn update_batch<F>(&mut self, update_fn: F)
     where
         F: FnOnce(&mut Settings),
@@ -204,6 +212,13 @@ impl SettingsHandler {
             .unwrap_or(DEFAULT_SHOW_SOURCE_CLIENT.to_string())
     }
 
+    pub fn show_replies_newest_first(&self) -> bool {
+        self.current_settings
+            .as_ref()
+            .map(|s| s.show_replies_newest_first)
+            .unwrap_or(false)
+    }
+
     pub fn is_loaded(&self) -> bool {
         self.current_settings.is_some()
     }