Fix "did reaction fully send?" logic

ts/jobs/helpers/handleMultipleSendErrors.ts

@@ -0,0 +1,70 @@
+// Copyright 2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { LoggerType } from '../../types/Logging';
+import * as Errors from '../../types/errors';
+import { sleepFor413RetryAfterTime } from './sleepFor413RetryAfterTime';
+import { getHttpErrorCode } from './getHttpErrorCode';
+import { strictAssert } from '../../util/assert';
+import { findRetryAfterTimeFromError } from './findRetryAfterTimeFromError';
+
+export async function handleMultipleSendErrors({
+  errors,
+  isFinalAttempt,
+  log,
+  markFailed,
+  timeRemaining,
+}: Readonly<{
+  errors: ReadonlyArray<unknown>;
+  isFinalAttempt: boolean;
+  log: Pick<LoggerType, 'info'>;
+  markFailed: (() => void) | (() => Promise<void>);
+  timeRemaining: number;
+}>): Promise<void> {
+  strictAssert(errors.length, 'Expected at least one error');
+
+  const formattedErrors: Array<string> = [];
+
+  let retryAfterError: unknown;
+  let longestRetryAfterTime = -Infinity;
+
+  let serverAskedUsToStop = false;
+
+  errors.forEach(error => {
+    formattedErrors.push(Errors.toLogFormat(error));
+
+    const errorCode = getHttpErrorCode(error);
+    if (errorCode === 413) {
+      const retryAfterTime = findRetryAfterTimeFromError(error);
+      if (retryAfterTime > longestRetryAfterTime) {
+        retryAfterError = error;
+        longestRetryAfterTime = retryAfterTime;
+      }
+    } else if (errorCode === 508) {
+      serverAskedUsToStop = true;
+    }
+  });
+
+  log.info(
+    `${formattedErrors.length} send error(s): ${formattedErrors.join(',')}`
+  );
+
+  if (isFinalAttempt || serverAskedUsToStop) {
+    await markFailed();
+  }
+
+  if (serverAskedUsToStop) {
+    log.info('server responded with 508. Giving up on this job');
+    return;
+  }
+
+  if (retryAfterError && !isFinalAttempt) {
+    await sleepFor413RetryAfterTime({
+      err: retryAfterError,
+      log,
+      timeRemaining,
+    });
+  }
+
+  throw errors[0];
+}