feat: improve event loop

Cargo.lock

@@ -99,6 +99,12 @@ version = "3.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "46c5e41b57b8bba42a04676d81cb89e9ee8e859a1a66f80a5a72e1cb76b34d43"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.10.1"
@@ -447,7 +453,8 @@ dependencies = [
  "proc-macro2",
  "quote",
  "serde",
- "syn",
+ "thiserror 2.0.12",
+ "unsynn",
 ]
 
 [[package]]
@@ -504,6 +511,15 @@ dependencies = [
  "pin-utils",
 ]
 
+[[package]]
+name = "fxhash"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.16"
@@ -1002,6 +1018,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "mutants"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc0287524726960e07b119cebd01678f852f147742ae0d925e6a520dca956126"
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -1553,6 +1575,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "shadow_counted"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65da48d447333cebe1aadbdd3662f3ba56e76e67f53bc46f3dd5f67c74629d6b"
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.7"
@@ -2122,6 +2150,18 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
+[[package]]
+name = "unsynn"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7940603a9e25cf11211cc43b81f4fcad2b8ab4df291ca855f32c40e1ac22d5bc"
+dependencies = [
+ "fxhash",
+ "mutants",
+ "proc-macro2",
+ "shadow_counted",
+]
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"

src/config/mod.rs

@@ -17,6 +17,8 @@ use std::{
 };
 use tracing::{debug, info, warn};
 
+const DEFAULT_CONFIG_STR: &str = include_str!("../../config/default.toml");
+
 #[derive(Debug, Clone, FromFile)]
 pub struct Config {
     pub keybinds: KeybindsConfig,
@@ -25,12 +27,23 @@ pub struct Config {
 }
 
 impl Config {
+    /// Load configuration with fallback to embedded defaults.
+    ///
+    /// Merge order:
+    /// 1. Embedded defaults
+    /// 2. System-wide config (`/etc/xdg/traxor/config.toml`)
+    /// 3. User config (`~/.config/traxor/config.toml`)
+    ///
     /// # Errors
     ///
-    /// TODO: add error types
+    /// Returns an error if:
+    /// - The embedded default config cannot be parsed (should never happen unless corrupted at build time).
+    /// - The system-wide or user config file cannot be read due to I/O errors.
+    /// - The TOML in any config file is invalid and cannot be parsed.
     #[tracing::instrument(name = "Loading configuration")]
     pub fn load() -> Result<Self> {
-        let mut cfg_file = ConfigFile::default();
+        let mut cfg_file = toml::from_str::<ConfigFile>(DEFAULT_CONFIG_STR)
+            .context("Failed to parse embedded default config")?;
 
         let candidates = [
             ("system-wide", PathBuf::from("/etc/xdg/traxor/config.toml")),

src/main.rs

@@ -1,7 +1,11 @@
 use color_eyre::Result;
 use ratatui::{Terminal, backend::CrosstermBackend};
-use std::io;
+use std::{io, sync::Arc};
-use tracing::{debug, trace};
+use tokio::{
+    sync::Mutex,
+    time::{self, Duration},
+};
+use tracing::{trace, warn};
 use traxor::{
     app::App,
     config::Config,
@@ -15,38 +19,54 @@ use traxor::{
 async fn main() -> Result<()> {
     color_eyre::install()?;
 
-    debug!("Loading configuration...");
     let config = Config::load()?;
-    debug!("Configuration loaded.");
-
-    // Setup the logger.
     setup_logger(&config)?;
 
-    // Create an application.
+    // Wrap App in Arc<Mutex<>> so we can share it between UI and updater
-    let mut app = App::new(config)?;
+    let app = Arc::new(Mutex::new(App::new(config)?));
 
-    // Initialize the terminal user interface.
+    // Clone for updater task
+    let app_clone = app.clone();
+
+    tokio::spawn(async move {
+        let mut interval = time::interval(Duration::from_secs(2));
+        loop {
+            interval.tick().await;
+
+            let mut app = app_clone.lock().await;
+            if let Err(e) = app.torrents.update().await {
+                warn!("Failed to update torrents: {e}");
+            }
+        }
+    });
+
+    // TUI setup
     let backend = CrosstermBackend::new(io::stderr());
     let terminal = Terminal::new(backend)?;
     let events = EventHandler::new(250); // Update time in ms
     let mut tui = Tui::new(terminal, events);
     tui.init()?;
 
-    // Start the main loop.
+    // Main loop
-    while app.running {
+    loop {
-        // Render the user interface.
+        {
-        tui.draw(&mut app)?;
+            let app_guard = app.lock().await;
-        // Handle events.
+            if !app_guard.running {
-        match tui.events.next()? {
+                break;
-            Event::Tick => {
-                trace!(target: "app", "Event::Tick");
-                app.tick().await?;
             }
+        }
+
+        {
+            let mut app_guard = app.lock().await;
+            tui.draw(&mut app_guard)?;
+        }
+
+        match tui.events.next()? {
+            Event::Tick => {}
             Event::Key(key_event) => {
-                trace!(target: "app", "Event::Key: {:?}", key_event);
+                let mut app_guard = app.lock().await;
-                if let Some(action) = get_action(key_event, &mut app).await? {
+                if let Some(action) = get_action(key_event, &mut app_guard).await? {
-                    trace!(target: "app", "Action: {:?}", action);
+                    update(&mut app_guard, action).await?;
-                    update(&mut app, action).await?;
                 }
             }
             Event::Mouse(mouse_event) => {
@@ -58,7 +78,6 @@ async fn main() -> Result<()> {
         }
     }
 
-    // Exit the user interface.
     tui.exit()?;
     Ok(())
 }

src/ui/table.rs

@@ -67,10 +67,10 @@ fn make_row<'a>(
     highlight: Style,
 ) -> Row<'a> {
     let cells = fields.iter().map(|&field| {
-        if let Some(id) = torrent.id {
+        if let Some(id) = torrent.id
-            if selected.contains(&id) {
+            && selected.contains(&id)
-                return field.value(torrent).set_style(highlight);
+        {
-            }
+            return field.value(torrent).set_style(highlight);
         }
         field.value(torrent).into()
     });