add schema validation for PUT requests

pages/api/v1/links/index.ts

@@ -60,6 +60,7 @@ export default async function links(req: NextApiRequest, res: NextApiResponse) {
       req.body.removePreviousTags,
       req.body.newData
     );
+
     return res.status(updated.status).json({
       response: updated.response,
     });

pages/api/v1/tags/[id].ts

@@ -9,6 +9,11 @@ export default async function tags(req: NextApiRequest, res: NextApiResponse) {
 
   const tagId = Number(req.query.id);
 
+  if (!tagId)
+    return res.status(400).json({
+      response: "Please choose a valid name for the tag.",
+    });
+
   if (req.method === "PUT") {
     if (process.env.NEXT_PUBLIC_DEMO === "true")
       return res.status(400).json({