Added the ability to create groups

src/pages/api/groups/[id].ts

@@ -0,0 +1,57 @@
+// 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, deleteDoc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {Group} from "@/interfaces/user";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method === "GET") await get(req, res);
+	if (req.method === "DELETE") await del(req, res);
+
+	res.status(404).json(undefined);
+}
+
+async function get(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	const {id} = req.query as {id: string};
+
+	const snapshot = await getDoc(doc(db, "groups", id));
+
+	if (snapshot.exists()) {
+		res.status(200).json({...snapshot.data(), id: snapshot.id});
+	} else {
+		res.status(404).json(undefined);
+	}
+}
+
+async function del(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	const {id} = req.query as {id: string};
+
+	const snapshot = await getDoc(doc(db, "groups", id));
+	const group = {...snapshot.data(), id: snapshot.id} as Group;
+
+	const user = req.session.user;
+	if (user.type === "owner" || user.type === "developer" || user.id === group.admin) {
+		await deleteDoc(snapshot.ref);
+
+		res.status(200).json({ok: true});
+		return;
+	}
+
+	res.status(403).json({ok: false});
+}