Functioning download progress updates

Signed-off-by: quexeky <git@quexeky.dev>

src-tauri/src/downloads/download_commands.rs

@@ -106,3 +106,15 @@ pub async fn stop_specific_game_download(
 
     Ok(())
 }
+
+#[tauri::command]
+pub async fn get_game_download_progress(
+    state: tauri::State<'_, Mutex<AppState>>,
+    game_id: String
+) -> Result<f64, String> {
+    let lock = state.lock().unwrap();
+    let download_agent = lock.game_downloads.get(&game_id).unwrap();
+    let progress = download_agent.progress.get_progress_percentage();
+    info!("{}", progress);
+    return Ok(progress)
+}