user list and possibility of adding new users implemented on FE and BE

src/routes/api/users/+server.ts

@@ -0,0 +1,25 @@
+import { json } from '@sveltejs/kit';
+import { addUser, getUsers } from '$lib/server/userService';
+
+export function GET({ locals }) {
+	if (!locals.user) {
+		return json({ error: 'Unauthorized' }, { status: 401 });
+	}
+
+	const users_list = getUsers();
+
+	return new Response(JSON.stringify(users_list));
+}
+
+export async function POST({ request, locals }) {
+	if (!locals.user) {
+		return json({ error: 'Unauthorized' }, { status: 401 });
+	}
+
+	const data = await request.json();
+	const userName = data.userName;
+	const userPassword = data.userPassword;
+	const rowCount = addUser(userName, userPassword);
+
+	return new Response(null, { status: rowCount == 1 ? 200 : 400 });
+}