Send viewed receipt when you start listening to an audio message

ts/jobs/helpers/commonShouldJobContinue.ts

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+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { LoggerType } from '../../logging/log';
+import { waitForOnline } from '../../util/waitForOnline';
+import { sleep } from '../../util/sleep';
+import { exponentialBackoffSleepTime } from '../../util/exponentialBackoff';
+import { isDone as isDeviceLinked } from '../../util/registration';
+
+export async function commonShouldJobContinue({
+  attempt,
+  log,
+  maxRetryTime,
+  timestamp,
+}: Readonly<{
+  attempt: number;
+  log: LoggerType;
+  maxRetryTime: number;
+  timestamp: number;
+}>): Promise<boolean> {
+  const maxJobAge = timestamp + maxRetryTime;
+  const timeRemaining = maxJobAge - Date.now();
+
+  if (timeRemaining <= 0) {
+    log.info("giving up because it's been too long");
+    return false;
+  }
+
+  try {
+    await waitForOnline(window.navigator, window, { timeout: timeRemaining });
+  } catch (err: unknown) {
+    log.info("didn't come online in time, giving up");
+    return false;
+  }
+
+  await new Promise<void>(resolve => {
+    window.storage.onready(resolve);
+  });
+
+  if (!isDeviceLinked()) {
+    log.info("skipping this job because we're unlinked");
+    return false;
+  }
+
+  const sleepTime = exponentialBackoffSleepTime(attempt);
+  log.info(`sleeping for ${sleepTime}`);
+  await sleep(sleepTime);
+
+  return true;
+}