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import { getUserCounts } from '~/rest_api';
let channel;
function broadcastCount(newCount) {
if (!channel) {
return;
}
channel.postMessage(newCount);
}
function updateUserMergeRequestCounts(newCount) {
const mergeRequestsCountEl = document.querySelector('.js-assigned-mr-count');
mergeRequestsCountEl.textContent = newCount.toLocaleString();
}
function updateReviewerMergeRequestCounts(newCount) {
const mergeRequestsCountEl = document.querySelector('.js-reviewer-mr-count');
mergeRequestsCountEl.textContent = newCount.toLocaleString();
}
function updateMergeRequestCounts(newCount) {
const mergeRequestsCountEl = document.querySelector('.js-merge-requests-count');
mergeRequestsCountEl.textContent = newCount.toLocaleString();
mergeRequestsCountEl.classList.toggle('hidden', Number(newCount) === 0);
}
/**
* Refresh user counts (and broadcast if open)
*/
export function refreshUserMergeRequestCounts() {
return getUserCounts()
.then(({ data }) => {
const assignedMergeRequests = data.assigned_merge_requests;
const reviewerMergeRequests = data.review_requested_merge_requests;
const fullCount = assignedMergeRequests + reviewerMergeRequests;
updateUserMergeRequestCounts(assignedMergeRequests);
updateReviewerMergeRequestCounts(reviewerMergeRequests);
updateMergeRequestCounts(fullCount);
broadcastCount(fullCount);
})
.catch((ex) => {
console.error(ex); // eslint-disable-line no-console
});
}
/**
* Close the broadcast channel for user counts
*/
export function closeUserCountsBroadcast() {
if (!channel) {
return;
}
channel.close();
channel = null;
}
/**
* Open the broadcast channel for user counts, adds user id so we only update
*
* **Please note:**
* Not supported in all browsers, but not polyfilling for now
* to keep bundle size small and
* no special functionality lost except cross tab notifications
*/
export function openUserCountsBroadcast() {
closeUserCountsBroadcast();
if (window.BroadcastChannel) {
const currentUserId = typeof gon !== 'undefined' && gon && gon.current_user_id;
if (currentUserId) {
channel = new BroadcastChannel(`mr_count_channel_${currentUserId}`);
channel.onmessage = (ev) => {
updateMergeRequestCounts(ev.data);
};
}
}
}
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