hugopl/reviewit

function configureWebPush(subscription) {
  $.post({ url: '/configure_webpush', data: { subscription: subscription.toJSON() } });
}

var swRegistration = null;

function subscribeServiceWorker(serviceWorkerRegistration) {
  swRegistration = serviceWorkerRegistration
  swRegistration.pushManager.getSubscription().then(function(subscription) {
    if (!subscription) {
      var key = new Uint8Array(<%= Base64.urlsafe_decode64(ReviewitConfig.webpush_public_key).bytes %>)
      swRegistration.pushManager.subscribe({ userVisibleOnly: true,
                                             applicationServerKey: key }).then(configureWebPush);
    } else {
      configureWebPush(subscription);
    }
    swRegistration = null;
  });

}

function receiveMessageFromServiceWorker(event) {
  console.log("To be implemented soon! :-)");
  console.log(event.data);
}

function registerWebPushNotifications() {
  if (navigator.serviceWorker) {
    navigator.serviceWorker.register('/serviceworker.js', { scope: '/' }).then(subscribeServiceWorker);
    navigator.serviceWorker.addEventListener('message', receiveMessageFromServiceWorker);

    if (Notification.permission !== 'denied' && Notification.permission !== 'granted') {
      Notification.requestPermission();
    }
    console.log('Service worker registered!');
  } else {
    console.log('Service workers not supported by this browser.');
  }
}