初始提交: Gitea 项目代码

2026-05-30 22:47:36 +08:00
commit f288f76350
6116 changed files with 776822 additions and 0 deletions
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+import {GET} from '../modules/fetch.ts';
+import {toggleElem, createElementFromHTML} from '../utils/dom.ts';
+import {UserEventsSharedWorker} from '../modules/worker.ts';
+
+const {appSubUrl, notificationSettings} = window.config;
+let notificationSequenceNumber = 0;
+
+async function receiveUpdateCount(event: MessageEvent<{type: string, data: string}>) {
+  try {
+    const data = JSON.parse(event.data.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() {
+  if (!document.querySelector('.notification_count')) return;
+
+  let usingPeriodicPoller = false;
+  const startPeriodicPoller = (timeout: number, lastCount?: number) => {
+    if (timeout <= 0 || !Number.isFinite(timeout)) return;
+    usingPeriodicPoller = true;
+    lastCount = lastCount ?? getCurrentCount();
+    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 UserEventsSharedWorker('notification-worker');
+    worker.addMessageEventListener((event: MessageEvent) => {
+      if (event.data.type === 'no-event-source') {
+        if (!usingPeriodicPoller) startPeriodicPoller(notificationSettings.MinTimeout);
+      } else if (event.data.type === 'notification-count') {
+        receiveUpdateCount(event); // no await
+      }
+    });
+    worker.startPort();
+    return;
+  }
+
+  startPeriodicPoller(notificationSettings.MinTimeout);
+}
+
+function getCurrentCount() {
+  return Number(document.querySelector('.notification_count')!.textContent ?? '0');
+}
+
+async function updateNotificationCountWithCallback(callback: (timeout: number, newCount: number) => void, timeout: number, lastCount: number) {
+  const currentCount = getCurrentCount();
+  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.querySelector('#notification_div');
+  if (!notificationDiv) return;
+
+  try {
+    const params = new URLSearchParams(window.location.search);
+    params.set('div-only', 'true');
+    params.set('sequence-number', String(++notificationSequenceNumber));
+    const response = await GET(`${appSubUrl}/notifications?${params.toString()}`);
+
+    if (!response.ok) {
+      throw new Error('Failed to fetch notification table');
+    }
+
+    const data = await response.text();
+    const el = createElementFromHTML(data);
+    if (parseInt(el.getAttribute('data-sequence-number')!) === notificationSequenceNumber) {
+      notificationDiv.outerHTML = data;
+    }
+  } catch (error) {
+    console.error(error);
+  }
+}
+
+async function updateNotificationCount(): Promise<number> {
+  try {
+    const response = await GET(`${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.querySelectorAll('.notification_count')) {
+      el.textContent = `${data.new}`;
+    }
+
+    return data.new as number;
+  } catch (error) {
+    console.error(error);
+    return 0;
+  }
+}