feat: 调整下载全部通过 rs 能力实现

src-tauri/src/app/invoke.rs

@@ -1,3 +1,5 @@
+use std::{fs};
+
 use crate::util::{check_file_or_append, get_download_message, show_toast};
 use download_rs::sync_download::Download;
 use tauri::{api, command, AppHandle, Manager, Window};
@@ -8,6 +10,12 @@ pub struct DownloadFileParams {
     filename: String,
 }
 
+#[derive(serde::Deserialize)]
+pub struct BinaryDownloadParams {
+    filename: String,
+    binary: Vec<u8>,
+}
+
 #[command]
 pub async fn download_file(app: AppHandle, params: DownloadFileParams) -> Result<(), String> {
     let window: Window = app.get_window("pake").unwrap();
@@ -25,3 +33,22 @@ pub async fn download_file(app: AppHandle, params: DownloadFileParams) -> Result
         }
     }
 }
+
+
+#[command]
+pub async fn download_file_by_binary(app: AppHandle, params: BinaryDownloadParams) -> Result<(), String> {
+    let window: Window = app.get_window("pake").unwrap();
+    let output_path = api::path::download_dir().unwrap().join(params.filename);
+    let file_path = check_file_or_append(output_path.to_str().unwrap());
+    let download_file_result = fs::write(&file_path, &params.binary);
+    match download_file_result {
+        Ok(_) => {
+            show_toast(&window, &get_download_message());
+            Ok(())
+        },
+        Err(e) => {
+            show_toast(&window, &e.to_string());
+            Err(e.to_string())
+        }
+    }
+}