posts.js - routes - server - update number of reactions - Instagram Clone React Node

posts.js

app.post('/posts/reactions', (req, res) => {
  const { numberOfReactions, id } = req.body;
  const updateNumberOfReactionsSql = "UPDATE post SET post_number_of_reactions = ? WHERE id = ?";
  dbConn.query(updateNumberOfReactionsSql, [numberOfReactions, id], function (err, updatedPost) {
    if (err) {
      res.status(200).jsonp({ message: "The system error. Please try again" });
    } else if (updatedPost) {
      res.status(200).jsonp({ id });
    }
  });
});