Added a list for codes, for users to delete unused ones

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

@@ -10,6 +10,7 @@ const db = getFirestore(app);
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
 	if (req.method === "GET") return GET(req, res);
+	if (req.method === "DELETE") return DELETE(req, res);
 
 	res.status(404).json({ok: false});
 }
@@ -21,3 +22,13 @@ async function GET(req: NextApiRequest, res: NextApiResponse) {
 
 	res.status(200).json({...snapshot.data(), id: snapshot.id});
 }
+
+async function DELETE(req: NextApiRequest, res: NextApiResponse) {
+	const {id} = req.query;
+
+	const snapshot = await getDoc(doc(db, "codes", id as string));
+	if (!snapshot.exists()) return res.status(404).json;
+
+	await deleteDoc(snapshot.ref);
+	res.status(200).json({...snapshot.data(), id: snapshot.id});
+}