(misc) Enable window.startDragging for Tauri

src-tauri/src/http.rs

@@ -0,0 +1,25 @@
+use core::error::Error;
+use std::fs::File;
+use std::io::Write;
+use std::path::Path;
+
+/// Downloads a file from the given URL.
+/// Saves it to the specified file.
+/// This will overwrite the file if it already exists.
+/// url: The URL to download from.
+/// to_file: The file to save to.
+#[tauri::command]
+pub async fn download_file(url: String, to_file: String) -> Result<String, Box<dyn Error>> {
+    let mut response = reqwest::get(&url).await?;
+    let mut dest = {
+        let fname = Path::new(&to_file);
+        match File::create(&fname) {
+            Ok(f) => f,
+            Err(e) => return Err(Box::new(e)),
+        }
+    };
+    while let Some(chunk) = response.chunk().await? {
+        dest.write_all(&chunk).await?;
+    }
+    Ok("Downloaded".to_string())
+}