feat: defer Web Push updates until tomorrow (Closes #563)

frontend/service-worker.js

@@ -289,7 +289,10 @@ self.addEventListener('push', event => {
     && route === '#/my-work/update/' + notificationId
     && tag === 'stackchain-update-' + notificationId
   ) {
-    options.actions = [{ action: 'mark-read', title: 'Mark read' }];
+    options.actions = [
+      { action: 'mark-read', title: 'Mark read' },
+      { action: 'tomorrow', title: 'Tomorrow' },
+    ];
     options.data.notificationId = notificationId;
   }
   event.waitUntil(self.registration.showNotification('New work update', options));
@@ -306,6 +309,36 @@ async function openWorkRoute(route) {
 
 self.addEventListener('notificationclick', event => {
   const route = String(event.notification.data?.route || '');
+  if (event.action === 'tomorrow') {
+    const notificationId = Number(event.notification.data?.notificationId);
+    if (
+      !Number.isSafeInteger(notificationId) || notificationId <= 0
+      || route !== '#/my-work/update/' + notificationId
+      || event.notification.tag !== 'stackchain-update-' + notificationId
+    ) return;
+    event.waitUntil((async () => {
+      const controller = new AbortController();
+      const timeout = setTimeout(() => controller.abort(), PUSH_ACTION_TIMEOUT_MS);
+      try {
+        const wake = new Date(self.__STACKCHAIN_NOW?.() || Date.now());
+        wake.setDate(wake.getDate() + 1);
+        wake.setHours(9, 0, 0, 0);
+        await fetchJson(BASE + 'api/v1/notifications/' + notificationId + '/later', {
+          method: 'PATCH',
+          headers: { Accept: 'application/json', 'Content-Type': 'application/json' },
+          body: JSON.stringify({ wake_at: wake.toISOString() }),
+          signal: controller.signal,
+        });
+        event.notification.close();
+      } catch (_error) {
+        await openWorkRoute(route);
+        event.notification.close();
+      } finally {
+        clearTimeout(timeout);
+      }
+    })());
+    return;
+  }
   if (event.action === 'mark-read') {
     const notificationId = Number(event.notification.data?.notificationId);
     if (