Upload db.js

server/config/db.js

@@ -17,12 +17,83 @@ const pool = new Pool({
 // Test the connection
 pool.query('SELECT NOW()', (err, res) => {
   if (err) {
-    console.error('Database connection error:', err.stack);
+    console.warn('Database connection warning:', err.stack);
+    console.warn('Continuing without database connection - using mock data only');
   } else {
     console.log('Database connected successfully');
   }
 });
 
+// Mock data for when database is not available
+const mockNews = [
+  {
+    id: 1,
+    title: 'New Cold Chain Initiative Launched in Southeast Asia',
+    excerpt: 'Regional partnership aims to reduce post-harvest losses by 30% through solar-powered refrigeration.',
+    date: '2025-10-15',
+    category: 'Policy'
+  },
+  {
+    id: 2,
+    title: 'Innovative Edible Coatings Show Promise in Lab Trials',
+    excerpt: 'New biodegradable coatings extend shelf life of fruits by up to 2 weeks.',
+    date: '2025-10-10',
+    category: 'Technology'
+  },
+  {
+    id: 3,
+    title: 'Global Fund Announces $50M for FLW Reduction Projects',
+    excerpt: 'Funding opportunity for pilot projects connecting smallholders to processing facilities.',
+    date: '2025-10-05',
+    category: 'Finance'
+  }
+];
+
+const mockDatasets = [
+  {
+    id: 1,
+    title: 'Cold Chain Infrastructure Map',
+    description: 'Geospatial data on refrigeration facilities across Sub-Saharan Africa',
+    category: 'Infrastructure',
+    size: '2.4 GB',
+    downloads: 1240
+  },
+  {
+    id: 2,
+    title: 'Post-Harvest Loss Hotspots',
+    description: 'Identified areas with highest food loss rates in South Asia',
+    category: 'Analytics',
+    size: '890 MB',
+    downloads: 890
+  },
+  {
+    id: 3,
+    title: 'Processing Capacity Database',
+    description: 'List of food processing facilities with available capacity',
+    category: 'Industry',
+    size: '1.1 GB',
+    downloads: 1560
+  }
+];
+
 module.exports = {
-  query: (text, params) => pool.query(text, params),
+  query: (text, params) => {
+    // If we're in a Hugging Face Spaces environment, return mock data
+    if (process.env.HF_SPACES === 'true') {
+      console.log('Using mock data for Hugging Face Spaces environment');
+      return {
+        rows: text.includes('news') ? mockNews : mockDatasets
+      };
+    }
+    
+    // Otherwise try to connect to the database
+    return pool.query(text, params).catch(err => {
+      console.warn('Database query failed, using mock data:', err.message);
+      return {
+        rows: text.includes('news') ? mockNews : mockDatasets
+      };
+    });
+  },
+  mockNews,
+  mockDatasets
 };