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fix(sync): harden Dropbox loading

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Christian Vidal Wolf
2026-05-21 13:58:52 +02:00
parent fa998ec9bf
commit 290b298544
2 changed files with 45 additions and 57 deletions
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src/App.tsx
+43 -56
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@@ -192,68 +192,55 @@ export default function App() {
setDefaultLoadError(null);
try {
const isDev = import.meta.env.DEV;
let rows: any[][];
let allData: any[][];
let fileMeta = { rev: '', size: 0 };
if (isDev) {
const cacheBuster = `t_${Date.now()}`;
const fileUrl = `/dropbox-file/scl/fi/usa8me7ywgylrij2bt6hj/Data-Matrix.xlsx?rlkey=tsec8csrhye54u1fdvk15ped1&st=qbxxs4cn&dl=0&${cacheBuster}=${Date.now()}`;
console.log('Fetching Data-Matrix.xlsx from Dropbox (hard refresh)...');
const loadWorkbookFromUrl = async (url: string) => {
const response = await fetch(url, { cache: 'no-store' });
if (!response.ok) throw new Error(`HTTP ${response.status}`);
const contentType = response.headers.get('content-type');
if (contentType && contentType.includes('text/html')) {
throw new Error('Dropbox returned an HTML page instead of the Excel file.');
}
const arrayBuffer = await response.arrayBuffer();
if (arrayBuffer.byteLength < 100) throw new Error('File too small');
const wb = XLSX.read(arrayBuffer, { type: 'array' });
const wsname = wb.SheetNames[0];
const ws = wb.Sheets[wsname];
allData = XLSX.utils.sheet_to_json<any[]>(ws, { header: 1 });
rows = allData.slice(1);
return arrayBuffer.byteLength;
};
const dropboxSources = import.meta.env.DEV
? [
'/api/dropbox-proxy',
`/dropbox-file/scl/fi/usa8me7ywgylrij2bt6hj/Data-Matrix.xlsx?rlkey=tsec8csrhye54u1fdvk15ped1&st=qbxxs4cn&dl=0&t=${Date.now()}`
]
: [
'/api/dropbox-proxy'
];
let lastError: unknown = null;
for (const source of dropboxSources) {
try {
const response = await fetch(fileUrl, { cache: 'no-store' });
if (!response.ok) throw new Error(`HTTP ${response.status}`);
const contentType = response.headers.get('content-type');
if (contentType && contentType.includes('text/html')) {
throw new Error('Dropbox returned an HTML page instead of the Excel file.');
}
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];
allData = XLSX.utils.sheet_to_json<any[]>(ws, { header: 1 });
rows = allData.slice(1);
fileMeta = { rev: 'dev', size: arrayBuffer.byteLength };
} catch (devErr) {
console.error('Dropbox dev load failed:', devErr);
throw devErr;
console.log(`Fetching Data-Matrix.xlsx from ${source.includes('/api/') ? 'proxy' : 'Dropbox'}...`);
const size = await loadWorkbookFromUrl(source);
fileMeta = { rev: source, size };
lastError = null;
break;
} catch (err) {
lastError = err;
console.warn(`Dropbox source failed for ${source}:`, err);
}
} else {
console.log('Fetching file info from Dropbox...');
const infoRes = await fetch('/api/dropbox-proxy?info=1');
if (infoRes.ok) {
fileMeta = await infoRes.json();
console.log('File meta:', fileMeta);
}
console.log('Fetching Data-Matrix.xlsx from proxy (hard refresh)...');
try {
const response = await fetch('/api/dropbox-proxy', { cache: 'no-store' });
if (!response.ok) throw new Error(`HTTP ${response.status}`);
}
const contentType = response.headers.get('content-type');
if (contentType && contentType.includes('text/html')) {
throw new Error('Dropbox returned an HTML page instead of the Excel file.');
}
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];
allData = XLSX.utils.sheet_to_json<any[]>(ws, { header: 1 });
rows = allData.slice(1);
} catch (prodErr) {
console.error('Dropbox prod load failed:', prodErr);
throw prodErr;
}
if (lastError) {
throw lastError instanceof Error ? lastError : new Error(String(lastError));
}
if (rows.length > 0) {