From cffd16acc7a4ec0d86df3549623668e5c7b3c8a3 Mon Sep 17 00:00:00 2001
From: Christian Vidal Wolf <christianvidalwolf@gmail.com>
Date: Thu, 21 May 2026 13:53:12 +0200
Subject: [PATCH] fix(sync): pin Dropbox source

---
 api/dropbox-proxy.js |  5 +----
 src/App.tsx          | 42 +++++-------------------------------------
 2 files changed, 6 insertions(+), 41 deletions(-)

diff --git a/api/dropbox-proxy.js b/api/dropbox-proxy.js
index 755d6c9..dce0e24 100644
--- a/api/dropbox-proxy.js
+++ b/api/dropbox-proxy.js
@@ -3,10 +3,7 @@ import { applyCors, isAllowedOrigin } from './_cors.js';
 const DROPBOX_APP_KEY = process.env.DROPBOX_APP_KEY;
 const DROPBOX_APP_SECRET = process.env.DROPBOX_APP_SECRET;
 const DROPBOX_REFRESH_TOKEN = process.env.DROPBOX_REFRESH_TOKEN;
-const DROPBOX_SHARED_URL =
-  process.env.DROPBOX_SHARED_URL ||
-  process.env.DROPBOX_FILE_URL ||
-  'https://www.dropbox.com/scl/fi/usa8me7ywgylrij2bt6hj/Data-Matrix.xlsx?rlkey=tsec8csrhye54u1fdvk15ped1&dl=1';
+const DROPBOX_SHARED_URL = 'https://www.dropbox.com/scl/fi/usa8me7ywgylrij2bt6hj/Data-Matrix.xlsx?rlkey=tsec8csrhye54u1fdvk15ped1&st=qbxxs4cn&dl=0';
 
 function setCors(req, res) {
   applyCors(req, res, 'GET, OPTIONS');
diff --git a/src/App.tsx b/src/App.tsx
index 208cba1..2da09d9 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,7 +1,6 @@
 import React, { useState, useMemo, useEffect } from 'react';
 import * as XLSX from 'xlsx';
 import { X } from 'lucide-react';
-import defaultWorkbookUrl from '../data (3).xlsx?url';
 import { cn } from './lib/utils';
 import { AppState, ExcelRow, resolveColumnIndices, COLUMNS } from './types';
 import { ColumnsProvider } from './contexts/ColumnsContext';
@@ -87,31 +86,6 @@ function readStoredBcSyncQueue(): BcSyncQueue {
   }
 }
 
-async function loadWorkbookFromUrl(url: string) {
-  const response = await fetch(url, { cache: 'no-store' });
-  if (!response.ok) {
-    throw new Error(`HTTP ${response.status}`);
-  }
-
-  const arrayBuffer = await response.arrayBuffer();
-  if (arrayBuffer.byteLength < 100) {
-    throw new Error('File too small');
-  }
-
-  const wb = XLSX.read(arrayBuffer, { type: 'array' });
-  const wsname = wb.SheetNames[0];
-  const ws = wb.Sheets[wsname];
-  const allData = XLSX.utils.sheet_to_json<any[]>(ws, { header: 1 });
-  const rows = allData.slice(1);
-  const headers = allData.slice(0, 1)[0] || [];
-
-  return {
-    headers,
-    rows,
-    fileMeta: { rev: url, size: arrayBuffer.byteLength },
-  };
-}
-
 export default function App() {
   const [session, setSession] = useState<AuthSession | null>(() => getStoredSession());
 
@@ -226,7 +200,7 @@ export default function App() {
         
         if (isDev) {
           const cacheBuster = `t_${Date.now()}`;
-          const fileUrl = `/dropbox-file/scl/fi/usa8me7ywgylrij2bt6hj/Data-Matrix.xlsx?rlkey=tsec8csrhye54u1fdvk15ped1&dl=1&${cacheBuster}=${Date.now()}`;
+          const fileUrl = `/api/dropbox-proxy?${cacheBuster}=${Date.now()}`;
           console.log('Fetching Data-Matrix.xlsx from Dropbox (hard refresh)...');
           try {
             const response = await fetch(fileUrl, { cache: 'no-store' });
@@ -247,11 +221,8 @@ export default function App() {
             rows = allData.slice(1);
             fileMeta = { rev: 'dev', size: arrayBuffer.byteLength };
           } catch (devErr) {
-            console.warn('Dropbox dev load failed, using bundled workbook fallback:', devErr);
-            const fallback = await loadWorkbookFromUrl(defaultWorkbookUrl);
-            allData = [fallback.headers, ...fallback.rows];
-            rows = fallback.rows;
-            fileMeta = fallback.fileMeta;
+            console.error('Dropbox dev load failed:', devErr);
+            throw devErr;
           }
         } else {
           console.log('Fetching file info from Dropbox...');
@@ -280,11 +251,8 @@ export default function App() {
             allData = XLSX.utils.sheet_to_json<any[]>(ws, { header: 1 });
             rows = allData.slice(1);
           } catch (prodErr) {
-            console.warn('Dropbox prod load failed, using bundled workbook fallback:', prodErr);
-            const fallback = await loadWorkbookFromUrl(defaultWorkbookUrl);
-            allData = [fallback.headers, ...fallback.rows];
-            rows = fallback.rows;
-            fileMeta = fallback.fileMeta;
+            console.error('Dropbox prod load failed:', prodErr);
+            throw prodErr;
           }
         }