- Created a Diagnostics component;

- Corrected the history code;

src/pages/api/users/update.ts

@@ -0,0 +1,26 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app} from "@/firebase";
+import {getFirestore, collection, getDocs, getDoc, doc, setDoc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {User} from "@/interfaces/user";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	const docUser = await getDoc(doc(db, "users", req.session.user.id));
+	const user = docUser.data() as User;
+
+	const userRef = doc(db, "users", user.id);
+	setDoc(userRef, req.body, {merge: true});
+
+	res.status(200).json({ok: true});
+}