fix: use raw fetch for Dropbox API instead of SDK, add better error logging

api/dropbox-proxy.js

@@ -1,34 +1,57 @@
-const Dropbox = require('dropbox').Dropbox;
+import fetch from 'node:fetch';
+
+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;
+
+async function getAccessToken() {
+  const response = await fetch('https://api.dropboxapi.com/oauth2/token', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+    body: `grant_type=refresh_token&refresh_token=${DROPBOX_REFRESH_TOKEN}&client_id=${DROPBOX_APP_KEY}&client_secret=${DROPBOX_APP_SECRET}`
+  });
+  const data = await response.json();
+  return data.access_token;
+}
 
 export default async function handler(req, res) {
+  const accessToken = await getAccessToken();
+  
   if (req.method === 'GET' && req.query.info === '1') {
-    const DBX = new Dropbox({ 
-      accessToken: process.env.DROPBOX_ACCESS_TOKEN 
-    });
-    
     try {
-      const fileInfo = await DBX.filesGetInfo({ path: '/Data-Matrix.xlsx' });
+      const fileInfo = await fetch('https://api.dropboxapi.com/2/files/get_metadata', {
+        method: 'POST',
+        headers: {
+          'Authorization': `Bearer ${accessToken}`,
+          'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({ path: '/Data-Matrix.xlsx' })
+      });
+      const data = await fileInfo.json();
       return res.json({
-        rev: fileInfo.result.rev,
-        size: fileInfo.result.size,
-        server_modified: fileInfo.result.server_modified
+        rev: data.rev,
+        size: data.size,
+        server_modified: data.server_modified
       });
     } catch (err) {
       return res.status(500).json({ error: err.message });
     }
   }
 
-  const DBX = new Dropbox({ 
-    accessToken: process.env.DROPBOX_ACCESS_TOKEN 
-  });
-
   try {
-    const upstream = await DBX.filesDownload({ path: '/Data-Matrix.xlsx' });
-    const buffer = Buffer.from(upstream.result.fileBinary);
+    const upstream = await fetch('https://content.dropboxapi.com/2/files/download', {
+      method: 'POST',
+      headers: {
+        'Authorization': `Bearer ${accessToken}`,
+        'Dropbox-API-Arg': JSON.stringify({ path: '/Data-Matrix.xlsx' })
+      }
+    });
+    
+    const buffer = await upstream.arrayBuffer();
     
     res.setHeader('Content-Type', 'application/octet-stream');
     res.setHeader('Cache-Control', 'no-store');
-    res.send(buffer);
+    res.send(Buffer.from(buffer));
   } catch (err) {
     console.error('Dropbox error:', err);
     res.status(500).send('Proxy error: ' + err.message);

api/dropbox-sync.js

@@ -6,46 +6,53 @@ const SUPABASE_KEY = process.env.SUPABASE_SERVICE_KEY || 'sb_publishable_fGXkh0b
 const supabase = createClient(SUPABASE_URL, SUPABASE_KEY);
 
 export default async function handler(req, res) {
-  if (req.method !== 'POST') {
-    return res.status(405).json({ error: 'Method not allowed' });
-  }
-
-  const { rows, fileMeta } = req.body;
-  
-  if (!rows || !Array.isArray(rows)) {
-    return res.status(400).json({ error: 'Missing rows data' });
-  }
-
-  const articleNoIdx = 0;
-  
-  const productsToUpsert = [];
-  
-  for (const row of rows) {
-    const productId = String(row[articleNoIdx]);
-    if (productId && productId.trim() !== '') {
-      productsToUpsert.push({
-        product_id: productId,
-        data: row,
-        status: 'synced',
-        updated_at: new Date().toISOString()
-      });
+  try {
+    if (req.method !== 'POST') {
+      return res.status(405).json({ error: 'Method not allowed' });
     }
-  }
 
-  const { error } = await supabase
-    .from('products')
-    .upsert(productsToUpsert, { 
-      onConflict: 'product_id',
-      ignoreDuplicates: false 
+    const { rows, fileMeta } = req.body;
+    
+    if (!rows || !Array.isArray(rows)) {
+      return res.status(400).json({ error: 'Missing rows data' });
+    }
+
+    const articleNoIdx = 0;
+    
+    const productsToUpsert = [];
+    
+    for (const row of rows) {
+      const productId = String(row[articleNoIdx]);
+      if (productId && productId.trim() !== '') {
+        productsToUpsert.push({
+          product_id: productId,
+          data: row,
+          status: 'synced',
+          updated_at: new Date().toISOString()
+        });
+      }
+    }
+
+    console.log('Upserting', productsToUpsert.length, 'products to Supabase...');
+
+    const { error } = await supabase
+      .from('products')
+      .upsert(productsToUpsert, { 
+        onConflict: 'product_id',
+        ignoreDuplicates: false 
+      });
+
+    if (error) {
+      console.error('Supabase upsert error:', error);
+      return res.status(500).json({ error: error.message, detail: 'Failed to upsert products' });
+    }
+
+    return res.json({ 
+      success: true, 
+      syncedCount: productsToUpsert.length 
     });
-
-  if (error) {
-    console.error('Supabase upsert error:', error);
-    return res.status(500).json({ error: error.message, detail: 'Failed to upsert products' });
+  } catch (err) {
+    console.error('Handler error:', err);
+    res.status(500).json({ error: err.message });
   }
-
-  return res.json({ 
-    success: true, 
-    syncedCount: productsToUpsert.length 
-  });
 }