feat: Try to cache remote images

#603

src-tauri/src/cmds.rs

@@ -275,6 +275,23 @@ pub fn get_app_dir() -> CmdResult<String> {
     Ok(app_home_dir)
 }
 
+#[tauri::command]
+pub async fn download_icon_cache(url: String, name: String) -> CmdResult<String> {
+    let icon_cache_dir = wrap_err!(dirs::app_home_dir())?.join("icons").join("cache");
+    let icon_path = icon_cache_dir.join(name);
+    if !icon_cache_dir.exists() {
+        let _ = std::fs::create_dir_all(&icon_cache_dir);
+    }
+    if !icon_path.exists() {
+        let response = wrap_err!(reqwest::get(url).await)?;
+
+        let mut file = wrap_err!(std::fs::File::create(&icon_path))?;
+
+        let content = wrap_err!(response.bytes().await)?;
+        wrap_err!(std::io::copy(&mut content.as_ref(), &mut file))?;
+    }
+    Ok(icon_path.to_string_lossy().to_string())
+}
 #[tauri::command]
 pub fn copy_icon_file(path: String, name: String) -> CmdResult<String> {
     let file_path = std::path::Path::new(&path);

src-tauri/src/main.rs

@@ -57,6 +57,7 @@ fn main() -> std::io::Result<()> {
             cmds::test_delay,
             cmds::get_app_dir,
             cmds::copy_icon_file,
+            cmds::download_icon_cache,
             cmds::open_devtools,
             cmds::exit_app,
             // cmds::update_hotkeys,