Add debug API to test MongoDB queries

Author: asamountain

api/debug-posts.ts

@@ -0,0 +1,39 @@
+import type { VercelRequest, VercelResponse } from '@vercel/node';
+import { MongoClient } from 'mongodb';
+
+const uri = process.env.MONGODB_URI;
+
+export default async function handler(req: VercelRequest, res: VercelResponse) {
+  if (!uri) {
+    console.error('MONGODB_URI environment variable is not set');
+    res.status(500).json({ error: 'Database configuration error' });
+    return;
+  }
+
+  try {
+    const client = new MongoClient(uri);
+    await client.connect();
+    
+    const db = client.db('blog_database');
+    const postsCollection = db.collection('posts');
+    
+    // Test different queries
+    const allPosts = await postsCollection.find({}).limit(5).toArray();
+    const publishedPosts = await postsCollection.find({ isPublished: true }).limit(5).toArray();
+    const draftPosts = await postsCollection.find({ draft: { $ne: true } }).limit(5).toArray();
+    
+    await client.close();
+    
+    res.status(200).json({
+      totalPosts: allPosts.length,
+      publishedPosts: publishedPosts.length,
+      draftPosts: draftPosts.length,
+      samplePublished: publishedPosts.map(p => ({ title: p.title, isPublished: p.isPublished, draft: p.draft })),
+      sampleAll: allPosts.map(p => ({ title: p.title, isPublished: p.isPublished, draft: p.draft }))
+    });
+
+  } catch (error) {
+    console.error('Error debugging posts:', error);
+    res.status(500).json({ error: 'Error debugging posts' });
+  }
+}