freeplanet_serverside/src/controllers/newsletter.controller.js

// @ts-check
async function subscribe(req, res) {
  const { email } = req.body || {};
  if (!email || !/.+@.+\..+/.test(email)) {
    return res.status(400).json({ message: 'Email non valida' });
  }
  // Integra qui Mailchimp/Sendinblue se necessario
  return res.status(200).json({ ok: true });
}

async function unsubscribe(req, res) {
  const { email } = req.body || {};
  if (!email || !/.+@.+\..+/.test(email)) {
    return res.status(400).json({ message: 'Email non valida' });
  }
  // Integra qui Mailchimp/Sendinblue se necessario
  return res.status(200).json({ ok: true });
}

module.exports = { subscribe, unsubscribe };