Chore: Refactor Rust-Backend Modularity

src-tauri/src/commands/system.rs

@@ -0,0 +1,52 @@
+use tauri::Manager;
+#[cfg(target_os = "windows")]
+use crate::server::resolve::strip_unc;
+
+#[tauri::command]
+pub fn get_platform_ui_scale(window: tauri::Window) -> f64 {
+    window.scale_factor().unwrap_or(1.0)
+}
+
+#[tauri::command]
+pub fn restart_app(app: tauri::AppHandle) {
+    tauri::process::restart(&app.env());
+}
+
+#[tauri::command]
+pub fn open_path(path: String) -> Result<(), String> {
+    #[cfg(target_os = "windows")]
+    {
+        let p = strip_unc(PathBuf::from(path.trim()));
+        std::process::Command::new("explorer")
+            .arg(p)
+            .spawn()
+            .map_err(|e| e.to_string())?;
+    }
+    #[cfg(target_os = "macos")]
+    {
+        let p = std::path::Path::new(path.trim());
+        std::process::Command::new("open")
+            .arg(p)
+            .spawn()
+            .map_err(|e| e.to_string())?;
+    }
+    #[cfg(not(any(target_os = "windows", target_os = "macos")))]
+    {
+        let p = std::path::Path::new(path.trim());
+        std::process::Command::new("xdg-open")
+            .arg(p)
+            .spawn()
+            .map_err(|e| e.to_string())?;
+    }
+    Ok(())
+}
+
+#[tauri::command]
+pub async fn pick_downloads_folder(app: tauri::AppHandle) -> Option<String> {
+    use tauri_plugin_dialog::DialogExt;
+    app.dialog()
+        .file()
+        .set_title("Choose Downloads Folder")
+        .blocking_pick_folder()
+        .map(|p| p.to_string())
+}