Bild Carousel V2

src/lib/tiktok.ts

@@ -3,6 +3,17 @@ import { db } from '@/lib/db';
 export const TIKTOK_OAUTH_STATE_COOKIE_NAME = 'tiktok_oauth_state';
 export const TIKTOK_ACCOUNT_KEY = 'hermes-agent';
 
+export class TiktokApiError extends Error {
+  status: number;
+  body?: unknown;
+
+  constructor(message: string, status = 502, body?: unknown) {
+    super(message);
+    this.status = status;
+    this.body = body;
+  }
+}
+
 // Refresh when the access token expires within this window, so Hermes never
 // receives a token that dies mid-upload.
 const REFRESH_BUFFER_MS = 5 * 60 * 1000;
@@ -58,16 +69,12 @@ export async function getValidTiktokTokens() {
   });
 }
 
-const REFRESH_BUFFER_MS = 5 * 60 * 1000;
-
 export async function getLiveTiktokAccessToken() {
   const integration = await db.tiktokIntegration.findUnique({
     where: { accountKey: TIKTOK_ACCOUNT_KEY },
   });
   if (!integration) {
-    const error = new Error('No TikTok account connected.');
-    error.status = 404;
-    throw error;
+    throw new TiktokApiError('No TikTok account connected.', 404);
   }
 
   if (integration.accessTokenExpiresAt.getTime() - Date.now() > REFRESH_BUFFER_MS) {
@@ -77,12 +84,14 @@ export async function getLiveTiktokAccessToken() {
   const clientKey = process.env.TIKTOK_CLIENT_KEY;
   const clientSecret = process.env.TIKTOK_CLIENT_SECRET;
   if (!clientKey || !clientSecret) {
-    const error = new Error('TikTok client credentials are not configured.');
-    error.status = 500;
-    throw error;
+    throw new TiktokApiError('TikTok client credentials are not configured.', 500);
   }
 
-  return getValidTiktokTokens();
+  const refreshed = await getValidTiktokTokens();
+  if (!refreshed) {
+    throw new TiktokApiError('No TikTok account connected.', 404);
+  }
+  return refreshed;
 }
 
 export async function tiktokApi(url: string, options: RequestInit = {}) {
@@ -109,10 +118,7 @@ export async function tiktokApi(url: string, options: RequestInit = {}) {
 
   if (!res.ok || (data?.error as Record<string, string> | undefined)?.code !== 'ok') {
     const message = (data?.error as Record<string, string> | undefined)?.message || (typeof data?.raw === 'string' ? data.raw : '') || `TikTok API error: ${res.status}`;
-    const error = new Error(message);
-    error.status = res.status;
-    error.body = data;
-    throw error;
+    throw new TiktokApiError(message, res.status, data);
   }
 
   return data;
@@ -125,14 +131,12 @@ export async function uploadBinaryToTiktok(uploadUrl: string, buffer: Buffer, mi
       'Content-Type': mimeType,
       'Content-Length': String(buffer.length),
     },
-    body: buffer,
+    body: new Uint8Array(buffer),
   });
 
   const text = await res.text();
   if (!res.ok && res.status !== 201) {
-    const error = new Error(`TikTok binary upload failed: ${res.status} ${text}`);
-    error.status = res.status;
-    throw error;
+    throw new TiktokApiError(`TikTok binary upload failed: ${res.status} ${text}`, res.status);
   }
 
   return { status: res.status, body: text };