feat: implemented basic update notification functionality

src/ui/app.rs

@@ -117,6 +117,8 @@ pub enum Msg {
     StartProber,
     OnProberExit(bool),
     NoOp,
+    #[cfg(feature = "appimage")]
+    CheckForUpdates,
 }
 
 impl App {
@@ -740,6 +742,26 @@ impl AsyncComponent for App {
                     }
                 }
             }
+            #[cfg(feature = "appimage")]
+            Msg::CheckForUpdates => match crate::updater::check_updates_available().await {
+                Ok(true) => {
+                    let notif =
+                        gtk::gio::Notification::new(&format!("{APP_NAME}: update available"));
+                    notif.set_body(Some(&format!(
+                        "A new version of {APP_NAME} is available. Download it now."
+                    )));
+                    notif.set_default_action("app.updateapp");
+                    notif.set_icon(&gtk::gio::ThemedIcon::from_names(&[
+                        crate::constants::APP_ID,
+                    ]));
+                    self.application.send_notification(
+                        Some("org.gabmus.envision.update_available_notif"),
+                        &notif,
+                    );
+                }
+                Err(e) => eprintln!("Warning: failed to check for updates: {e}"),
+                _ => {}
+            },
         }
     }
 
@@ -944,6 +966,17 @@ impl AsyncComponent for App {
 
         root.insert_action_group(AppActionGroup::NAME, Some(&actions.into_action_group()));
 
+        #[cfg(feature = "appimage")]
+        {
+            let update_action = gtk::gio::SimpleAction::new("updateapp", None);
+            update_action.connect_activate(move |_, _| {
+                open_with_default_handler(
+                    "https://gitlab.com/gabmus/envision/-/pipelines?ref=main&status=success",
+                );
+            });
+            model.application.add_action(&update_action);
+        }
+
         {
             let app = &model.application;
             app.set_accelerators_for_action::<QuitAction>(&["<Control>q"]);
@@ -970,6 +1003,9 @@ impl AsyncComponent for App {
 
         model.split_view = Some(widgets.split_view.clone());
 
+        #[cfg(feature = "appimage")]
+        sender.input(Msg::CheckForUpdates);
+
         AsyncComponentParts { model, widgets }
     }
 }

src/updater.rs

@@ -28,7 +28,7 @@ pub async fn check_updates_available() -> anyhow::Result<bool> {
                 let text = res.text().await?;
                 let commit_list: GitLabCommitList = serde_json::from_str(&text)?;
                 if commit_list
-                    .get(0)
+                    .first()
                     .is_some_and(|c| c.id.starts_with(shorthash))
                 {
                     Ok(false)