followers.js - routes - server - create follower - Instagram Clone React Node

followers.js

app.post('/followers/create', (req, res) => {
  const { followerId, userId } = req.body;
  if (!followerId || !userId) {
    res.status(200).jsonp({ message: 'Cannot create the follower, please try again' });
  }
  const followers = [[followerId, userId]];
  const insertFollowerSql = "INSERT INTO user_follower (follower_id, user_id) VALUES ?";
  dbConn.query(insertFollowerSql, [followers], function (error, insertedFollower) {
    if (insertedFollower) {
      res.status(200).jsonp({ insertId: insertedFollower.insertId, follower_id: followerId, user_id: userId });
    } else {
      res.status(200).jsonp({ message: 'Cannot create the follower, please try again' });
    }
  });
});