fix: Improve submit error handling on API and refactor client with async/await

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

apiserver/server.py

@@ -128,7 +128,7 @@ def submit():
             else:
                 raise Exception('Invalid article')
 
-    except BaseException as e:
+    except Exception as e:
         logging.error('Problem with article submission: {} - {}'.format(e.__class__.__name__, str(e)))
         print(traceback.format_exc())
         return {'error': str(e)}, 400

webclient/src/Submit.js

@@ -6,7 +6,7 @@ function Submit() {
 	const inputRef = useRef(null);
 	const history = useHistory();
 
-	const submitArticle = (event) => {
+	const submitArticle = async (event) => {
 		event.preventDefault();
 		const url = event.target[0].value;
 		inputRef.current.blur();
@@ -16,31 +16,25 @@ function Submit() {
 		let data = new FormData();
 		data.append('url', url);
 
-		fetch('/api/submit', { method: 'POST', body: data })
-			.then(res => {
-				if (res.ok) {
-					return res.json().then(data => ({ ok: true, data: data }));
+		try {
+			const res = await fetch('/api/submit', { method: 'POST', body: data });
+
+			if (res.ok) {
+				const result = await res.json();
+				history.replace('/' + result.nid);
+			} else {
+				let errorData;
+				try {
+					errorData = await res.json();
+				} catch (jsonError) {
+					// Not a JSON error from our API, so it's a server issue
+					throw new Error(`Server responded with ${res.status} ${res.statusText}`);
 				}
-				// Handle error responses
-				return res.json()
-					.then(data => ({ ok: false, data: data })) // Our API's JSON error
-					.catch(() => {
-						// Not a JSON error from our API, so it's a server issue
-						throw new Error(`Server responded with ${res.status} ${res.statusText}`);
-					});
-			})
-			.then(
-				({ ok, data }) => {
-					if (ok) {
-						history.replace('/' + data.nid);
-					} else {
-						setProgress(data.error || 'An unknown error occurred.');
-					}
-				},
-				(error) => {
-					setProgress(`Error: ${error.toString()}`);
-				}
-			);
+				setProgress(errorData.error || 'An unknown error occurred.');
+			}
+		} catch (error) {
+			setProgress(`Error: ${error.toString()}`);
+		}
 	}
 
 	return (