web_pus_sw.js

'use strict';

self.addEventListener('push', function(event) {

  if (!(self.Notification && self.notification.permission === 'granted')) {
    return;
  }

  var data = {};
  if (event.data) {
    data = event.data.json();
  }
  var title    = data.title || "Новый заказ";
  var body     = data.message;
  var order_id = data.order_id

  console.log('Received a push message', event);

  event.waitUntil(
    self.registration.showNotification(title, {
      body: body,
      tag: order_id
    })
  );
});

self.addEventListener('notificationclick', function(event) {
  console.log('On notification click: ', event.notification.title);
  // Android doesn’t close the notification when you click on it
  // See: http://crbug.com/463146
  event.notification.close();

  // This looks to see if the current is already open and
  // focuses if it is
  event.waitUntil(clients.matchAll({
    type: 'window'
  }).then(function(clientList) {
    if (clients.openWindow) {
      return clients.openWindow('/admin2/orders/' + event.notification.tag);
    }
  }));
});