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import $ from 'jquery';
const {appSubUrl, csrfToken, notificationSettings} = window.config;
let notificationSequenceNumber = 0;
export function initNotificationsTable() {
$('#notification_table .button').on('click', function () {
(async () => {
const data = await updateNotification(
$(this).data('url'),
$(this).data('status'),
$(this).data('page'),
$(this).data('q'),
$(this).data('notification-id'),
);
if ($(data).data('sequence-number') === notificationSequenceNumber) {
$('#notification_div').replaceWith(data);
initNotificationsTable();
}
await updateNotificationCount();
})();
return false;
});
}
async function receiveUpdateCount(event) {
try {
const data = JSON.parse(event.data);
const notificationCount = document.querySelector('.notification_count');
if (data.Count > 0) {
notificationCount.classList.remove('hidden');
} else {
notificationCount.classList.add('hidden');
}
notificationCount.textContent = `${data.Count}`;
await updateNotificationTable();
} catch (error) {
console.error(error, event);
}
}
export function initNotificationCount() {
const notificationCount = $('.notification_count');
if (!notificationCount.length) {
return;
}
if (notificationSettings.EventSourceUpdateTime > 0 && !!window.EventSource && window.SharedWorker) {
// Try to connect to the event source via the shared worker first
const worker = new SharedWorker(`${__webpack_public_path__}js/eventsource.sharedworker.js`, 'notification-worker');
worker.addEventListener('error', (event) => {
console.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(event);
return;
}
if (event.data.type === 'notification-count') {
const _promise = receiveUpdateCount(event.data);
} else if (event.data.type === 'error') {
console.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 = appSubUrl;
} else if (event.data.type === 'close') {
worker.port.postMessage({
type: 'close',
});
worker.port.close();
}
});
worker.port.addEventListener('error', (e) => {
console.error(e);
});
worker.port.start();
window.addEventListener('beforeunload', () => {
worker.port.postMessage({
type: 'close',
});
worker.port.close();
});
return;
}
if (notificationSettings.MinTimeout <= 0) {
return;
}
const fn = (timeout, lastCount) => {
setTimeout(() => {
const _promise = updateNotificationCountWithCallback(fn, timeout, lastCount);
}, timeout);
};
fn(notificationSettings.MinTimeout, notificationCount.text());
}
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 = $('#notification_div');
if (notificationDiv.length > 0) {
const data = await $.ajax({
type: 'GET',
url: `${appSubUrl}/notifications?${notificationDiv.data('params')}`,
data: {
'div-only': true,
'sequence-number': ++notificationSequenceNumber,
}
});
if ($(data).data('sequence-number') === notificationSequenceNumber) {
notificationDiv.replaceWith(data);
initNotificationsTable();
}
}
}
async function updateNotificationCount() {
const data = await $.ajax({
type: 'GET',
url: `${appSubUrl}/notifications/new`,
headers: {
'X-Csrf-Token': csrfToken,
},
});
const notificationCount = $('.notification_count');
if (data.new === 0) {
notificationCount.addClass('hidden');
} else {
notificationCount.removeClass('hidden');
}
notificationCount.text(`${data.new}`);
return `${data.new}`;
}
async function updateNotification(url, status, page, q, notificationID) {
if (status !== 'pinned') {
$(`#notification_${notificationID}`).remove();
}
return $.ajax({
type: 'POST',
url,
data: {
_csrf: csrfToken,
notification_id: notificationID,
status,
page,
q,
noredirect: true,
'sequence-number': ++notificationSequenceNumber,
},
});
}
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