Update single product using product ID

update_product.js

module.exports.updateProduct = async (req, res, next) => {
  Product.findOneAndUpdate(
    { _id: req.params.productId },
    {
      name: req.body.name,
      sale_price: req.body.sale_price,
      cost_price: req.body.cost_price,
      quantity: req.body.quantity,
    }
  ).exec((error, result) => {
    if (error) {
      res.json({ status: 'ERROR', message: 'Error updating product' });
    }

    if (result) {
      res.json({
        status: 'SUCCESS',
        message: 'Product details updated successfully',
      });
    } else {
      res.json({
        status: 'FAILURE',
        message: 'Failed to update product details',
      });
    }
  });
};