hugopl/reviewit

function receivePushNotification(event) {
  var data = JSON.parse(event.data && event.data.text());
  self.lastURL = data['url']
  data['icon'] = "<%= asset_path 'favicon/android-chrome-144x144.png' %>";
  var title = data['title']
  delete data['title']
  event.waitUntil(self.registration.showNotification(title, data));
}

self.addEventListener("push", receivePushNotification);

self.addEventListener('notificationclick', function(event) {
  event.notification.close();
  event.waitUntil(
    clients.matchAll({
      type: "window"
    })
    .then(function(clientList) {
      for (var i = 0; i < clientList.length; i++) {
        var client = clientList[i];
        if ((client.url == self.lastURL || self.lastURL === '/') && 'focus' in client )
          return client.focus();
      }
      if (clients.openWindow) {
        return clients.openWindow(self.lastURL);
      }
    })
  );
});