first commit of refactor

backend/controllers/AlertEventController.js

@@ -0,0 +1,54 @@
+import * as AlertEventModel from '../models/AlertEventModel.js';
+
+// Mock data for when DB is empty (MVP scaffolding)
+const MOCK_EVENTS = [
+  {
+    id: 1,
+    alert_rule_id: 1,
+    message: 'Incoming transaction detected: 5.5 ETH received',
+    address_label: 'Treasury Wallet',
+    timestamp: new Date(Date.now() - 2 * 60 * 60 * 1000).toISOString() // 2 hours ago
+  },
+  {
+    id: 2,
+    alert_rule_id: 2,
+    message: 'Balance dropped below threshold: Current balance 8.2 ETH',
+    address_label: 'Treasury Wallet',
+    timestamp: new Date(Date.now() - 5 * 60 * 60 * 1000).toISOString() // 5 hours ago
+  },
+  {
+    id: 3,
+    alert_rule_id: 3,
+    message: 'Outgoing transaction detected: 2.0 ETH sent',
+    address_label: 'Cold Storage',
+    timestamp: new Date(Date.now() - 24 * 60 * 60 * 1000).toISOString() // 1 day ago
+  }
+];
+
+
+export async function list(req, res) {
+  const limit = parseInt(req.query.limit) || 20;
+  const user_id = req.user_id; // From authenticate middleware
+
+  console.log(`User ${user_id} listing alert events (limit: ${limit})`);
+
+
+  if (limit < 1 || limit > 100) {
+    return res.status(400).json({
+      error: 'VALIDATION_ERROR',
+      message: 'Limit must be between 1 and 100'
+    });
+  }
+
+  const events = await AlertEventModel.listRecentByUser(user_id, limit);
+
+  console.log(`Found ${events.length} alert events for user`);
+
+  // Return mock data if DB is empty (MVP scaffolding)
+  if (events.length === 0) {
+    return res.json(MOCK_EVENTS.slice(0, limit));
+  }
+
+  return res.json(events);
+}
+