Store S3 upload_id in the database for backups

app/Http/Controllers/Api/Remote/Backups/BackupRemoteUploadController.php

@@ -47,6 +47,7 @@ class BackupRemoteUploadController extends Controller
      * @return \Illuminate\Http\JsonResponse
      *
      * @throws \Exception
+     * @throws \Throwable
      * @throws \Illuminate\Database\Eloquent\ModelNotFoundException
      */
     public function __invoke(Request $request, string $backup)
@@ -101,8 +102,12 @@ class BackupRemoteUploadController extends Controller
             )->getUri()->__toString();
         }
 
-        return new JsonResponse([
+        // Set the upload_id on the backup in the database.
+        $backup->forceFill([
             'upload_id' => $params['UploadId'],
+        ])->saveOrFail();
+
+        return new JsonResponse([
             'parts' => $parts,
             'part_size' => self::PART_SIZE,
         ]);

app/Http/Controllers/Api/Remote/Backups/BackupStatusController.php

@@ -78,7 +78,7 @@ class BackupStatusController extends Controller
             $params = [
                 'Bucket' => $adapter->getBucket(),
                 'Key' => sprintf('%s/%s.tar.gz', $backup->server->uuid, $backup->uuid),
-                'UploadId' => $request->input('upload_id'),
+                'UploadId' => $backup->upload_id,
             ];
 
             // If the backup was not successful, send an AbortMultipartUpload request.