From 33d387a719236bb88ed744d4d0af50b551a50d39 Mon Sep 17 00:00:00 2001
From: vineyardbovines <spencerfpope@gmail.com>
Date: Wed, 29 Jul 2026 12:43:34 -0400
Subject: [PATCH] Deduplicate multipart retry checks

---
 src/lib/media/video/multipart/upload.ts      | 16 +++-------------
 src/lib/media/video/multipart/uploadParts.ts | 16 ++--------------
 src/lib/media/video/multipart/utils.ts       | 12 ++++++++++++
 3 files changed, 17 insertions(+), 27 deletions(-)

diff --git a/src/lib/media/video/multipart/upload.ts b/src/lib/media/video/multipart/upload.ts
index 52bf1fc8c8..af2d71d596 100644
--- a/src/lib/media/video/multipart/upload.ts
+++ b/src/lib/media/video/multipart/upload.ts
@@ -3,7 +3,7 @@ import {nanoid} from 'nanoid/non-secure'
 
 import {AbortError} from '#/lib/async/cancelable'
 import {type CompressedVideo} from '#/lib/media/video/types'
-import {isRetryableHttpStatus, shouldRetryError} from '#/lib/strings/errors'
+import {shouldRetryError} from '#/lib/strings/errors'
 import {getServiceAuthToken} from '../upload.shared'
 import {mimeToExt} from '../util'
 import {
@@ -19,7 +19,7 @@ import {getMissingParts, planParts} from './planParts'
 import {createChunkReader} from './readChunk'
 import {createUploadPart} from './uploadPart'
 import {uploadParts} from './uploadParts'
-import {delay} from './utils'
+import {delay, isRetryableMultipartError} from './utils'
 
 export class MultipartFallbackError extends Error {}
 
@@ -208,7 +208,7 @@ async function getUploadStatusWithRetry(
       return await getUploadStatus(jobId, token, signal)
     } catch (err) {
       throwIfAborted(signal)
-      if (!isRetryableStatusError(err)) throw err
+      if (!isRetryableMultipartError(err)) throw err
       lastError = err
       if (attempt < 3) await delay(500 * 2 ** (attempt - 1), signal)
     }
@@ -216,16 +216,6 @@ async function getUploadStatusWithRetry(
   throw lastError
 }
 
-function isRetryableStatusError(err: unknown) {
-  return (
-    err instanceof TypeError ||
-    (err instanceof MultipartUploadError &&
-      (err.error === 'ServiceOverloaded' ||
-        err.status === undefined ||
-        isRetryableHttpStatus(err.status)))
-  )
-}
-
 async function abortThenFallbackOrResolve(
   jobId: string,
   token: string,
diff --git a/src/lib/media/video/multipart/uploadParts.ts b/src/lib/media/video/multipart/uploadParts.ts
index 67ab0ac7b4..cda502fb54 100644
--- a/src/lib/media/video/multipart/uploadParts.ts
+++ b/src/lib/media/video/multipart/uploadParts.ts
@@ -1,7 +1,5 @@
 import {AbortError} from '#/lib/async/cancelable'
-import {isRetryableHttpStatus} from '#/lib/strings/errors'
 import {createProgressAggregator} from './aggregateProgress'
-import {MultipartUploadError} from './api'
 import {MULTIPART_CONCURRENCY, MULTIPART_MAX_ATTEMPTS} from './constants'
 import {
   type ChunkReader,
@@ -9,7 +7,7 @@ import {
   type PartUploadResult,
   type UploadPartFn,
 } from './types'
-import {delay} from './utils'
+import {delay, isRetryableMultipartError} from './utils'
 
 /**
  * Uploads every part with a concurrency cap and per-part retry, aggregating
@@ -121,7 +119,7 @@ async function uploadPartWithRetry({
         throw new AbortError()
       }
       lastError = err
-      if (!isRetryablePartError(err)) throw err
+      if (!isRetryableMultipartError(err)) throw err
       if (attempt < maxAttempts) {
         await delay(500 * 2 ** (attempt - 1), signal)
       }
@@ -129,13 +127,3 @@ async function uploadPartWithRetry({
   }
   throw lastError
 }
-
-function isRetryablePartError(err: unknown) {
-  return (
-    err instanceof TypeError ||
-    (err instanceof MultipartUploadError &&
-      (err.error === 'ServiceOverloaded' ||
-        err.status === undefined ||
-        isRetryableHttpStatus(err.status)))
-  )
-}
diff --git a/src/lib/media/video/multipart/utils.ts b/src/lib/media/video/multipart/utils.ts
index e81e05642c..4184ab5666 100644
--- a/src/lib/media/video/multipart/utils.ts
+++ b/src/lib/media/video/multipart/utils.ts
@@ -1,4 +1,16 @@
 import {AbortError} from '#/lib/async/cancelable'
+import {isRetryableHttpStatus} from '#/lib/strings/errors'
+import {MultipartUploadError} from './api'
+
+export function isRetryableMultipartError(err: unknown) {
+  return (
+    err instanceof TypeError ||
+    (err instanceof MultipartUploadError &&
+      (err.error === 'ServiceOverloaded' ||
+        err.status === undefined ||
+        isRetryableHttpStatus(err.status)))
+  )
+}
 
 export function delay(ms: number, signal: AbortSignal) {
   return new Promise<void>((resolve, reject) => {