refactor: simplified data loading with direct fetch endpoint

2026-08-03 11:45:23 +02:00 · 2026-01-17 11:12:39 +01:00
parent 9d2d115bd2
commit 84d0291360
5 changed files with 122 additions and 207 deletions
@@ -1,67 +0,0 @@
-import type { VercelRequest, VercelResponse } from '@vercel/node';
-import fetch from 'node-fetch'; // Ensure fetch is available
-
-export default async function handler(req: VercelRequest, res: VercelResponse) {
-    // Allow CORS
-    res.setHeader('Access-Control-Allow-Credentials', 'true');
-    res.setHeader('Access-Control-Allow-Origin', '*');
-    res.setHeader('Access-Control-Allow-Methods', 'GET,OPTIONS,PATCH,DELETE,POST,PUT');
-    res.setHeader(
-        'Access-Control-Allow-Headers',
-        'X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version'
-    );
-
-    if (req.method === 'OPTIONS') {
-        res.status(200).end();
-        return;
-    }
-
-    try {
-        // 1. Reconstruct the Target Dropbox URL
-        // The incoming request is to /api/dropbox/scl/fi/...
-        // We want to fetch https://www.dropbox.com/scl/fi/...
-
-        // req.url in Vercel function might be just the suffix or full path depending on routing
-        // Typically: /api/dropbox/scl/fi/xyz?dl=1
-
-        // We need to strip '/api/dropbox' from the start to get the dropbox path
-        const requestPath = req.url || '';
-        const dropboxPath = requestPath.replace(/^\/api\/dropbox/, ''); // e.g. /scl/fi/xyz?dl=1
-
-        let targetUrl = `https://www.dropbox.com${dropboxPath}`;
-
-        // Ensure dl=1 is present to force download
-        if (targetUrl.includes('?')) {
-            if (!targetUrl.includes('dl=1')) {
-                targetUrl = targetUrl.replace('dl=0', 'dl=1');
-                if (!targetUrl.includes('dl=1')) {
-                    targetUrl += '&dl=1';
-                }
-            }
-        } else {
-            targetUrl += '?dl=1';
-        }
-
-        console.log(`[Proxy] Incoming: ${req.url}`);
-        console.log(`[Proxy] Target: ${targetUrl}`);
-
-        const response = await fetch(targetUrl);
-
-        if (!response.ok) {
-            throw new Error(`Dropbox responded with ${response.status} ${response.statusText}`);
-        }
-
-        // Forward the content type (likely text/csv)
-        const contentType = response.headers.get('content-type');
-        if (contentType) {
-            res.setHeader('Content-Type', contentType);
-        }
-
-        const data = await response.text();
-        res.status(200).send(data);
-
-    } catch (error: any) {
-        console.error('Proxy Error:', error);
-        res.status(500).json({ error: 'Failed to fetch data from Dropbox', details: error.message });
-    }
-}
@@ -0,0 +1,32 @@
+import type { VercelRequest, VercelResponse } from '@vercel/node';
+
+const DROPBOX_URL = "https://www.dropbox.com/scl/fi/b9zxn4z5i7sxwfakk5g5y/Amazon-Sell-Out-2023-2025.csv?rlkey=uoto6v0mm99py8nszy8ldtez8&st=pzn1zkrg&dl=1";
+
+export default async function handler(req: VercelRequest, res: VercelResponse) {
+    // CORS headers
+    res.setHeader('Access-Control-Allow-Origin', '*');
+    res.setHeader('Access-Control-Allow-Methods', 'GET, OPTIONS');
+    res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
+
+    if (req.method === 'OPTIONS') {
+        return res.status(200).end();
+    }
+
+    try {
+        console.log('[fetch-data] Fetching from Dropbox...');
+        const response = await fetch(DROPBOX_URL);
+
+        if (!response.ok) {
+            throw new Error(`Dropbox responded with ${response.status}`);
+        }
+
+        const csvData = await response.text();
+        console.log('[fetch-data] Successfully fetched CSV, size:', csvData.length);
+
+        res.setHeader('Content-Type', 'text/csv');
+        res.status(200).send(csvData);
+    } catch (error: any) {
+        console.error('[fetch-data] Error:', error);
+        res.status(500).json({ error: error.message });
+    }
+}