overseerr/public/sw.js

// Incrementing OFFLINE_VERSION will kick off the install event and force
// previously cached resources to be updated from the network.
// This variable is intentionally declared and unused.
// eslint-disable-next-line @typescript-eslint/no-unused-vars
const OFFLINE_VERSION = 3;
const CACHE_NAME = "offline";
// Customize this with a different URL if needed.
const OFFLINE_URL = "/offline.html";

self.addEventListener("install", (event) => {
  event.waitUntil(
    (async () => {
      const cache = await caches.open(CACHE_NAME);
      // Setting {cache: 'reload'} in the new request will ensure that the
      // response isn't fulfilled from the HTTP cache; i.e., it will be from
      // the network.
      await cache.add(new Request(OFFLINE_URL, { cache: "reload" }));
    })()
  );
  // Force the waiting service worker to become the active service worker.
  self.skipWaiting();
});

self.addEventListener("activate", (event) => {
  event.waitUntil(
    (async () => {
      // Enable navigation preload if it's supported.
      // See https://developers.google.com/web/updates/2017/02/navigation-preload
      if ("navigationPreload" in self.registration) {
        await self.registration.navigationPreload.enable();
      }
    })()
  );

  // Tell the active service worker to take control of the page immediately.
  self.clients.claim();
});

self.addEventListener("fetch", (event) => {
  // We only want to call event.respondWith() if this is a navigation request
  // for an HTML page.
  if (event.request.mode === "navigate") {
    event.respondWith(
      (async () => {
        try {
          // First, try to use the navigation preload response if it's supported.
          const preloadResponse = await event.preloadResponse;
          if (preloadResponse) {
            return preloadResponse;
          }

          // Always try the network first.
          const networkResponse = await fetch(event.request);
          return networkResponse;
        } catch (error) {
          // catch is only triggered if an exception is thrown, which is likely
          // due to a network error.
          // If fetch() returns a valid HTTP response with a response code in
          // the 4xx or 5xx range, the catch() will NOT be called.
          console.log("Fetch failed; returning offline page instead.", error);

          const cache = await caches.open(CACHE_NAME);
          const cachedResponse = await cache.match(OFFLINE_URL);
          return cachedResponse;
        }
      })()
    );
  }
});

self.addEventListener('push', (event) => {
  const payload = event.data ? event.data.json() : {};

  const options = {
    body: payload.message,
    icon: payload.image ? payload.image : 'android-chrome-192x192.png',
    vibrate: [100, 50, 100],
    data: {
      dateOfArrival: Date.now(),
      primaryKey: '2',
      actionUrl: payload.actionUrl,
      requestId: payload.requestId,
    },
    actions: [],
  }

  if (payload.actionUrl){
    options.actions.push(
      {
        action: 'viewmedia',
        title: 'View Media',
      }
    );
  }

  if (payload.notificationType === 'MEDIA_PENDING') {
    options.actions.push(
      {
        action: 'approve',
        title: 'Approve',
      },
      {
        action: 'decline',
        title: 'Decline',
      }
    );
  }

  event.waitUntil(
    self.registration.showNotification(payload.subject, options)
  );
})

self.addEventListener('notificationclick', (event) => {
  const notificationData = event.notification.data;

  event.notification.close();

  if (event.action === 'viewmedia') {
    self.clients.openWindow(notificationData.actionUrl);
  } else if (event.action === 'approve') {
    fetch(`/api/v1/request/${notificationData.requestId}/approve`, {
      method: 'POST',
    });

    self.clients.openWindow(notificationData.actionUrl);
  } else if (event.action === 'decline') {
    fetch(`/api/v1/request/${notificationData.requestId}/decline`, {
      method: 'POST',
    });

    self.clients.openWindow(notificationData.actionUrl);
  } else if (notificationData.actionUrl) {
    self.clients.openWindow(notificationData.actionUrl);
  }
}, false);