Windows styles + downloading

src-tauri/src/lib.rs

@@ -1,23 +1,62 @@
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 
 use base64::{Engine, engine::general_purpose};
-use tauri::{AppHandle, Emitter};
+use futures_util::StreamExt;
+use tauri::{AppHandle, Emitter, Manager};
+use tauri_plugin_decorum::WebviewWindowExt;
+use tokio::io::AsyncWriteExt;
 
 #[tauri::command]
-fn download(app: AppHandle, url: String) {
-  app.emit("download-started", &url).unwrap();
-  for progress in [1, 15, 50, 80, 100] {
-    app.emit("download-progress", format!("{}:{}", general_purpose::STANDARD.encode(&url), progress)).unwrap();
-  }
-  app.emit("download-finished", &url).unwrap();
-  //code from the wiki i didnt change it yet
+async fn download(app: AppHandle, url: String, name: String) -> Result<(), String> {
+    app.emit("download-started", &url).unwrap();
+
+    let client = reqwest::Client::new();
+    let resp = client.get(&url).send().await.map_err(|e| e.to_string())?;
+    let total_size = resp.content_length().unwrap_or(0);
+
+    let mut downloaded: u64 = 0;
+    let mut stream = resp.bytes_stream();
+
+    println!("{}", app.path().data_dir().unwrap().display().to_string());
+    let mut file = tokio::fs::File::create(app.path().data_dir().unwrap().join(format!("download_{}.zip", name)))
+        .await
+        .map_err(|e| e.to_string())?;
+
+    while let Some(chunk) = stream.next().await {
+        let chunk = chunk.map_err(|e| e.to_string())?;
+        file.write_all(&chunk).await.map_err(|e| e.to_string())?;
+        downloaded += chunk.len() as u64;
+
+        let progress = if total_size > 0 {
+            (downloaded * 100 / total_size) as u8
+        } else {
+            0
+        };
+        app.emit(
+            "download-progress",
+            format!("{}:{}", general_purpose::STANDARD.encode(&url), progress),
+        )
+        .unwrap();
+    }
+
+    app.emit("download-finished", &url).unwrap();
+    Ok(())
 }
 
 pub fn run() {
     tauri::Builder::default()
+        .plugin(tauri_plugin_fs::init())
+        .plugin(tauri_plugin_decorum::init())
         .plugin(tauri_plugin_os::init())
         .plugin(tauri_plugin_opener::init())
         .invoke_handler(tauri::generate_handler![download])
+        .setup(|app| {
+            #[cfg(target_os = "windows")] {
+                let main_window = app.get_webview_window("main").unwrap();
+                main_window.create_overlay_titlebar().unwrap();
+            }
+            Ok(())
+        })
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }