fix: add a panic hook to collect logs and show a dialog (#191)

backend/tauri/src/main.rs

@@ -22,6 +22,14 @@ fn main() -> std::io::Result<()> {
 
     crate::log_err!(init::init_config());
 
+    // Panic Hook to show a panic dialog and save logs
+    let default_panic = std::panic::take_hook();
+    std::panic::set_hook(Box::new(move |info| {
+        error!(format!("panic hook: {:?}", info));
+        utils::dialog::panic_dialog(&format!("{:?}", info));
+        default_panic(info);
+    }));
+
     #[allow(unused_mut)]
     let mut builder = tauri::Builder::default()
         .system_tray(SystemTray::new())

backend/tauri/src/utils/dialog.rs

@@ -0,0 +1,18 @@
+use std::sync::{Arc, Barrier};
+use tauri::api::dialog::{MessageDialogBuilder, MessageDialogButtons, MessageDialogKind};
+
+pub fn panic_dialog(msg: &str) {
+    let msg = format!(
+        "{}\n\nPlease report this issue to Github issue tracker.",
+        msg
+    );
+    let barrier = Arc::new(Barrier::new(2));
+    let barrier_ref = barrier.clone();
+    MessageDialogBuilder::new("Error", msg)
+        .kind(MessageDialogKind::Error)
+        .buttons(MessageDialogButtons::Ok)
+        .show(move |_| {
+            barrier_ref.wait();
+        });
+    barrier.wait();
+}

backend/tauri/src/utils/dirs.rs

@@ -13,7 +13,7 @@ static APP_DIR: &str = "clash-verge-dev";
 static CLASH_CONFIG: &str = "config.yaml";
 static VERGE_CONFIG: &str = "verge.yaml";
 static PROFILE_YAML: &str = "profiles.yaml";
-static STORAGE_DB: &str = "storage.db";
+static STORAGE_DB: &str = "storage";
 
 static mut RESOURCE_DIR: Option<PathBuf> = None;
 

backend/tauri/src/utils/mod.rs

@@ -1,4 +1,5 @@
 pub mod candy;
+pub mod dialog;
 pub mod dirs;
 pub mod help;
 pub mod init;