Added the ability to generate custom level exams, still WIP in some parts

src/pages/api/exam/[module]/generate/level.ts

@@ -0,0 +1,35 @@
+// 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, query, where} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {shuffle} from "lodash";
+import {Difficulty, Exam} from "@/interfaces/exam";
+import {Stat} from "@/interfaces/user";
+import {Module} from "@/interfaces";
+import axios from "axios";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method === "POST") return post(req, res);
+
+	return res.status(404).json({ok: false});
+}
+
+async function post(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) return res.status(401).json({ok: false});
+
+	const body = req.body;
+	const params = new URLSearchParams();
+
+	Object.keys(body).forEach((key) => params.append(key, body[key]));
+	const result = await axios.get(`${process.env.BACKEND_URL}/custom_level?${params.toString()}`, {
+		headers: {Authorization: `Bearer ${process.env.BACKEND_JWT}`},
+	});
+
+	res.status(200).json(result.data);
+}