fix(intake): avoid empty chunk upload 502

furniture-3d-system/src/app/api/intake/non-integrated/[id]/upload/chunk/route.ts

@@ -151,10 +151,12 @@ export async function POST(request: NextRequest, context: RouteContext) {
       const uploadedChunks = savedChunks.filter(Boolean).length
 
       if (uploadedChunks < totalChunks) {
-        return new NextResponse(null, {
-          status: 204,
+        return new NextResponse('', {
+          status: 200,
           headers: {
             'Cache-Control': 'no-store',
+            'Content-Length': '0',
+            'X-Upload-Chunk-Status': 'pending',
           },
         })
       }

furniture-3d-system/src/app/api/intake/non-integrated/upload/route.test.ts

@@ -309,8 +309,9 @@ describe('POST /api/intake/non-integrated/upload', () => {
     }
 
     const firstResponse = await uploadChunk(0, fileBytes.slice(0, 10))
-    expect(firstResponse.status).toBe(204)
-    expect(firstResponse.body).toBeNull()
+    expect(firstResponse.status).toBe(200)
+    expect(firstResponse.headers.get('X-Upload-Chunk-Status')).toBe('pending')
+    await expect(firstResponse.text()).resolves.toBe('')
 
     const completedResponse = await uploadChunk(1, fileBytes.slice(10))
     const completedPayload = await completedResponse.json()

furniture-3d-system/src/app/intake/non-integrated/nonIntegratedApi.ts

@@ -222,7 +222,10 @@ async function uploadNonIntegratedFileInChunks<T>(params: {
       },
     )
 
-    if (response.status === 204) {
+    if (
+      response.status === 204 ||
+      response.headers.get('X-Upload-Chunk-Status') === 'pending'
+    ) {
       continue
     }