https://www.novosti.rs/firebase.js?v=11

1// Your web app's Firebase configuration
2//window.localStorage.setItem('sentToServer', '0');
3const firebaseConfig = {
4  apiKey: "AIzaSyDMqHBujTXLut_qZ-YOY4qZU4vf5q04X68",
5  authDomain: "novosti-web-push-notifikacije.firebaseapp.com",
6  databaseURL: "https://novosti-web-push-notifikacije.firebaseio.com",
7  projectId: "novosti-web-push-notifikacije",
8  storageBucket: "novosti-web-push-notifikacije.appspot.com",
9  messagingSenderId: "620558234693",
10  appId: "1:620558234693:web:a8f2b5ce38ce0d7baadf2c"
11};
12
13// Initialize Firebase
14firebase.initializeApp(firebaseConfig);
15
16
17// [START get_messaging_object]
18// Retrieve Firebase Messaging object.
19const messaging = firebase.messaging();
20// [END get_messaging_object]
21// [START set_public_vapid_key]
22// Add the public key generated from the console here.
23messaging.usePublicVapidKey('BOG1RnDqfQx00FlgfE5ps2xO_y0e-u2mptVr0RIBKkqXT9rI0zRCZTCmdDP9SsjR3KrLmziGHMQV79kwGT2TxK0');
24// [END set_public_vapid_key]
25
26
27//if ('serviceWorker' in navigator) {
28//    navigator.serviceWorker.register('/firebase-messaging-sw.js')
29//    .then(function (registration) {
30//        //messaging.useServiceWorker(registration);
31//        //registration.update();
32//        // registration worked
33//        console.log('Registration succeeded.');
34//    }).catch(function (error) {
35//        // registration failed
36//        console.log('Registration failed with ' + error);
37//    });
38//};
39
40// [START refresh_token]
41// Callback fired if Instance ID token is updated.
42messaging.onTokenRefresh(() => {
43    messaging.getToken().then((refreshedToken) => {
44        console.log('Token refreshed.');
45        // Indicate that the new Instance ID token has not yet been sent to the
46        // app server.
47        setTokenSentToServer(false);
48        // Send Instance ID token to app server.
49        sendTokenToServer(refreshedToken);
50        // [START_EXCLUDE]
51        // Display new Instance ID token and clear UI of all previous messages.
52        resetUI();
53    }).catch((err) => {
54        console.log('Unable to retrieve refreshed token ', err);
55    });
56});
57// [END refresh_token]
58
59// [START receive_message]
60// Handle incoming messages. Called when:
61// - a message is received while the app has focus
62// - the user clicks on an app notification created by a service worker
63//   `messaging.setBackgroundMessageHandler` handler.
64messaging.onMessage((payload) => {
65    console.log('Message received. ', payload);
66});
67// [END receive_message]
68
69function resetUI() {
70    // [START get_token]
71    // Get Instance ID token. Initially this makes a network call, once retrieved
72    // subsequent calls to getToken will return from cache.
73    messaging.getToken().then((currentToken) => {
74        if (currentToken) {
75            // ok
76            sendTokenToServer(currentToken);
77        } else {
78            // Show permission request.
79            console.log('No Instance ID token available. Request permission to generate one.');
80            // Show permission UI.
81            setTokenSentToServer(false);
82        }
83    }).catch((err) => {
84        //console.log('An error occurred while retrieving token. ', err);
85        setTokenSentToServer(false);
86    });
87    // [END get_token]
88}
89
90
91// ok
92// Send the Instance ID token your application server, so that it can:
93// - send messages back to this app
94// - subscribe/unsubscribe the token from topics
95function sendTokenToServer(currentToken) {
96    // if (!isTokenSentToServer()) {
97        console.log('Sending token to server...');
98        // TODO(developer): Send the current token to your server.
99        // ok
100        setTokenSentToServer(true);
101        
102        var oldToken = 0;
103        if (window.localStorage.getItem("activeToken") !== currentToken) {
104            oldToken = window.localStorage.getItem('activeToken');
105        }
106        
107        $.ajax({
108            type: 'GET',
109            url: '/ajax/webpushtoken',
110            data: {
111                token : currentToken,
112                old: oldToken
113            }
114        }); 
115        
116        window.localStorage.setItem('activeToken', currentToken);
117
118    // } else {
119    //     console.log('Token already sent to server so won\'t send it again ' + 'unless it changes');
120    // }
121
122}
123// OK
124function isTokenSentToServer() {
125    return window.localStorage.getItem('sentToServer') === '1';
126}
127// OK
128function setTokenSentToServer(sent) {
129    window.localStorage.setItem('sentToServer', sent ? '1' : '0');
130}
131
132function requestPermission() {
133    console.log('Requesting permission...');
134    // [START request_permission]
135    Notification.requestPermission().then((permission) => {
136        if (permission === 'granted') {
137            console.log('Notification permission granted.');
138            // TODO(developer): Retrieve an Instance ID token for use with FCM.
139            // [START_EXCLUDE]
140            // In many cases once an app has been granted notification permission,
141            // it should update its UI reflecting this.
142            resetUI();
143            // [END_EXCLUDE]
144        } else {
145            console.log('Unable to get permission to notify.');
146        }
147    });
148    // [END request_permission]
149}
150
151resetUI();
152
153var updateInterval = 24 * 60 * 60 * 1000;
154var currentTimestamp = new Date().getTime();
155var lastUpdatedTimestamp = localStorage.getItem('firebase_timestamp') || 0;
156
157if ((currentTimestamp - lastUpdatedTimestamp) > updateInterval) {
158    // send token every day
159    setTokenSentToServer(false);
160    resetUI();
161    if ('serviceWorker' in navigator) {
162        navigator.serviceWorker.register('/firebase-messaging-sw.js')
163            .then(function() {
164                localStorage.setItem('firebase_timestamp', currentTimestamp);
165                console.log('Service worker registered!');
166            }, 
167            function() {
168                console.log('err - Service Worker Registration Failed !')
169            });
170
171            navigator.serviceWorker.getRegistrations().then(function (registrations) {
172                for (let registration of registrations) {
173                    if (registration.active.scriptURL != 'https://www.novosti.rs

173/firebase-messaging-sw.js') {
174                        registration.unregister();
175                    }
176    
177                    if (registration.active.scriptURL == 'https://www.novosti.rs/firebase-messaging-sw.js') {
178                        registration.update();
179                    }
180                }
181            });
182    }
183}
184
185