update

src/lib.rs

@@ -132,12 +132,21 @@ pub fn derive_http_response(input: TokenStream) -> TokenStream {
     let input = parse_macro_input!(input as DeriveInput);
     let name = &input.ident;
 
-    let expanded = quote! {
-        impl #name {
-            pub async fn receive(resp: awc::ClientResponse) -> Result<Self, std::error::Error> {
-                resp.json().await
+    let expanded = match &input.data {
+        Data::Struct(_) => {
+            quote! {
+                impl Responsable for #name {
+                    fn receive(resp: actix_web::ClientResponse) -> Result<Self, std::error::Error> {
+                        let parsed = actix_web::rt::System::new()
+                            .block_on(async { resp.json::<#name>().await })
+                            .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e.to_string()))?;
+                        Ok(parsed)
                     }
                 }
+            }
+        }
+
+        _ => panic!("#[derive(HttpResponse)] only supports structs"),
     };
 
     TokenStream::from(expanded)