import $ from 'jquery';import {GET} from '../modules/fetch.js';import {toggleElem} from '../utils/dom.js'; const {appSubUrl, notificationSettings, assetVersionEncoded} = window.config;let notificationSequenceNumber = 0; export function initNotificationsTable() { const table = document.getElementById('notification_table'); if (!table) return; // when page restores from bfcache, delete previously clicked items window.addEventListener('pageshow', (e) => { if (e.persisted) { // page was restored from bfcache const table = document.getElementById('notification_table'); const unreadCountEl = document.querySelector('.notifications-unread-count'); let unreadCount = parseInt(unreadCountEl.textContent); for (const item of table.querySelectorAll('.notifications-item[data-remove="true"]')) { item.remove(); unreadCount -= 1; } unreadCountEl.textContent = unreadCount; } }); // mark clicked unread links for deletion on bfcache restore for (const link of table.querySelectorAll('.notifications-item[data-status="1"] .notifications-link')) { link.addEventListener('click', (e) => { e.target.closest('.notifications-item').setAttribute('data-remove', 'true'); }); }} async function receiveUpdateCount(event) { try { const data = JSON.parse(event.data); for (const count of document.querySelectorAll('.notification_count')) { count.classList.toggle('tw-hidden', data.Count === 0); count.textContent = `${data.Count}`; } await updateNotificationTable(); } catch (error) { console.error(error, event); }} export function initNotificationCount() { const $notificationCount = $('.notification_count'); if (!$notificationCount.length) { return; } let usingPeriodicPoller = false; const startPeriodicPoller = (timeout, lastCount) => { if (timeout <= 0 || !Number.isFinite(timeout)) return; usingPeriodicPoller = true; lastCount = lastCount ?? $notificationCount.text(); setTimeout(async () => { await updateNotificationCountWithCallback(startPeriodicPoller, timeout, lastCount); }, timeout); }; if (notificationSettings.EventSourceUpdateTime > 0 && window.EventSource && window.SharedWorker) { // Try to connect to the event source via the shared worker first const worker = new SharedWorker(`${__webpack_public_path__}js/eventsource.sharedworker.js?v=${assetVersionEncoded}`, 'notification-worker'); worker.addEventListener('error', (event) => { console.error('worker error', event); }); worker.port.addEventListener('messageerror', () => { console.error('unable to deserialize message'); }); worker.port.postMessage({ type: 'start', url: `${window.location.origin}${appSubUrl}/user/events`, }); worker.port.addEventListener('message', (event) => { if (!event.data || !event.data.type) { console.error('unknown worker message event', event); return; } if (event.data.type === 'notification-count') { const _promise = receiveUpdateCount(event.data); } else if (event.data.type === 'no-event-source') { // browser doesn't support EventSource, falling back to periodic poller if (!usingPeriodicPoller) startPeriodicPoller(notificationSettings.MinTimeout); } else if (event.data.type === 'error') { console.error('worker port event error', event.data); } else if (event.data.type === 'logout') { if (event.data.data !== 'here') { return; } worker.port.postMessage({ type: 'close', }); worker.port.close(); window.location.href = `${window.location.origin}${appSubUrl}/`; } else if (event.data.type === 'close') { worker.port.postMessage({ type: 'close', }); worker.port.close(); } }); worker.port.addEventListener('error', (e) => { console.error('worker port error', e); }); worker.port.start(); window.addEventListener('beforeunload', () => { worker.port.postMessage({ type: 'close', }); worker.port.close(); }); return; } startPeriodicPoller(notificationSettings.MinTimeout);} async function updateNotificationCountWithCallback(callback, timeout, lastCount) { const currentCount = $('.notification_count').text(); if (lastCount !== currentCount) { callback(notificationSettings.MinTimeout, currentCount); return; } const newCount = await updateNotificationCount(); let needsUpdate = false; if (lastCount !== newCount) { needsUpdate = true; timeout = notificationSettings.MinTimeout; } else if (timeout < notificationSettings.MaxTimeout) { timeout += notificationSettings.TimeoutStep; } callback(timeout, newCount); if (needsUpdate) { await updateNotificationTable(); }} async function updateNotificationTable() { const notificationDiv = document.getElementById('notification_div'); if (notificationDiv) { try { const params = new URLSearchParams(window.location.search); params.set('div-only', true); params.set('sequence-number', ++notificationSequenceNumber); const url = `${appSubUrl}/notifications?${params.toString()}`; const response = await GET(url); if (!response.ok) { throw new Error('Failed to fetch notification table'); } const data = await response.text(); if ($(data).data('sequence-number') === notificationSequenceNumber) { notificationDiv.outerHTML = data; initNotificationsTable(); } } catch (error) { console.error(error); } }} async function updateNotificationCount() { try { const response = await GET(`${appSubUrl}/notifications/new`); if (!response.ok) { throw new Error('Failed to fetch notification count'); } const data = await response.json(); toggleElem('.notification_count', data.new !== 0); for (const el of document.getElementsByClassName('notification_count')) { el.textContent = `${data.new}`; } return `${data.new}`; } catch (error) { console.error(error); return '0'; }}
import $ from 'jquery';
import {GET} from '../modules/fetch.js';
import {toggleElem} from '../utils/dom.js';
const {appSubUrl, notificationSettings, assetVersionEncoded} = window.config;
let notificationSequenceNumber = 0;
export function initNotificationsTable() {
const table = document.getElementById('notification_table');
if (!table) return;
// when page restores from bfcache, delete previously clicked items
window.addEventListener('pageshow', (e) => {
if (e.persisted) { // page was restored from bfcache
const table = document.getElementById('notification_table');
const unreadCountEl = document.querySelector('.notifications-unread-count');
let unreadCount = parseInt(unreadCountEl.textContent);
for (const item of table.querySelectorAll('.notifications-item[data-remove="true"]')) {
item.remove();
unreadCount -= 1;
}
unreadCountEl.textContent = unreadCount;
}
});
// mark clicked unread links for deletion on bfcache restore
for (const link of table.querySelectorAll('.notifications-item[data-status="1"] .notifications-link')) {
link.addEventListener('click', (e) => {
e.target.closest('.notifications-item').setAttribute('data-remove', 'true');
});
}
}
async function receiveUpdateCount(event) {
try {
const data = JSON.parse(event.data);
for (const count of document.querySelectorAll('.notification_count')) {
count.classList.toggle('tw-hidden', data.Count === 0);
count.textContent = `${data.Count}`;
}
await updateNotificationTable();
} catch (error) {
console.error(error, event);
}
}
export function initNotificationCount() {
const $notificationCount = $('.notification_count');
if (!$notificationCount.length) {
return;
}
let usingPeriodicPoller = false;
const startPeriodicPoller = (timeout, lastCount) => {
if (timeout <= 0 || !Number.isFinite(timeout)) return;
usingPeriodicPoller = true;
lastCount = lastCount ?? $notificationCount.text();
setTimeout(async () => {
await updateNotificationCountWithCallback(startPeriodicPoller, timeout, lastCount);
}, timeout);
};
if (notificationSettings.EventSourceUpdateTime > 0 && window.EventSource && window.SharedWorker) {
// Try to connect to the event source via the shared worker first
const worker = new SharedWorker(`${__webpack_public_path__}js/eventsource.sharedworker.js?v=${assetVersionEncoded}`, 'notification-worker');
worker.addEventListener('error', (event) => {
console.error('worker error', event);
});
worker.port.addEventListener('messageerror', () => {
console.error('unable to deserialize message');
});
worker.port.postMessage({
type: 'start',
url: `${window.location.origin}${appSubUrl}/user/events`,
});
worker.port.addEventListener('message', (event) => {
if (!event.data || !event.data.type) {
console.error('unknown worker message event', event);
return;
}
if (event.data.type === 'notification-count') {
const _promise = receiveUpdateCount(event.data);
} else if (event.data.type === 'no-event-source') {
// browser doesn't support EventSource, falling back to periodic poller
if (!usingPeriodicPoller) startPeriodicPoller(notificationSettings.MinTimeout);
} else if (event.data.type === 'error') {
console.error('worker port event error', event.data);
} else if (event.data.type === 'logout') {
if (event.data.data !== 'here') {
return;
}
worker.port.postMessage({
type: 'close',
});
worker.port.close();
window.location.href = `${window.location.origin}${appSubUrl}/`;
} else if (event.data.type === 'close') {
worker.port.postMessage({
type: 'close',
});
worker.port.close();
}
});
worker.port.addEventListener('error', (e) => {
console.error('worker port error', e);
});
worker.port.start();
window.addEventListener('beforeunload', () => {
worker.port.postMessage({
type: 'close',
});
worker.port.close();
});
return;
}
startPeriodicPoller(notificationSettings.MinTimeout);
}
async function updateNotificationCountWithCallback(callback, timeout, lastCount) {
const currentCount = $('.notification_count').text();
if (lastCount !== currentCount) {
callback(notificationSettings.MinTimeout, currentCount);
return;
}
const newCount = await updateNotificationCount();
let needsUpdate = false;
if (lastCount !== newCount) {
needsUpdate = true;
timeout = notificationSettings.MinTimeout;
} else if (timeout < notificationSettings.MaxTimeout) {
timeout += notificationSettings.TimeoutStep;
}
callback(timeout, newCount);
if (needsUpdate) {
await updateNotificationTable();
}
}
async function updateNotificationTable() {
const notificationDiv = document.getElementById('notification_div');
if (notificationDiv) {
try {
const params = new URLSearchParams(window.location.search);
params.set('div-only', true);
params.set('sequence-number', ++notificationSequenceNumber);
const url = `${appSubUrl}/notifications?${params.toString()}`;
const response = await GET(url);
if (!response.ok) {
throw new Error('Failed to fetch notification table');
}
const data = await response.text();
if ($(data).data('sequence-number') === notificationSequenceNumber) {
notificationDiv.outerHTML = data;
initNotificationsTable();
}
} catch (error) {
console.error(error);
}
}
}
async function updateNotificationCount() {
try {
const response = await GET(`${appSubUrl}/notifications/new`);
if (!response.ok) {
throw new Error('Failed to fetch notification count');
}
const data = await response.json();
toggleElem('.notification_count', data.new !== 0);
for (const el of document.getElementsByClassName('notification_count')) {
el.textContent = `${data.new}`;
}
return `${data.new}`;
} catch (error) {
console.error(error);
return '0';
}
}