Implement Server-Sent Events for real-time updates and enhance API route handling. Added loading state and last update indicator in the home page. Improved folder and post detail fetching logic in the admin page. Added webhook notification on file changes.

src/app/api/posts/webhook/route.ts

@@ -0,0 +1,62 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+// Prevent static generation of this route
+export const dynamic = 'force-dynamic';
+export const runtime = 'nodejs';
+
+// Store connected clients for webhook notifications
+const webhookClients = new Set<{ id: string; controller: ReadableStreamDefaultController }>();
+
+export async function GET(request: NextRequest) {
+  const { searchParams } = new URL(request.url);
+  const clientId = searchParams.get('clientId') || Math.random().toString(36).substr(2, 9);
+
+  const stream = new ReadableStream({
+    start(controller) {
+      // Add this client to the set
+      webhookClients.add({ id: clientId, controller });
+
+      // Send initial connection message
+      controller.enqueue(`data: ${JSON.stringify({ type: 'connected', clientId, message: 'Webhook connection established' })}\n\n`);
+
+      // Clean up when client disconnects
+      request.signal.addEventListener('abort', () => {
+        webhookClients.delete({ id: clientId, controller });
+      });
+    }
+  });
+
+  return new NextResponse(stream, {
+    headers: {
+      'Content-Type': 'text/event-stream',
+      'Cache-Control': 'no-cache',
+      'Connection': 'keep-alive',
+      'Access-Control-Allow-Origin': '*',
+      'Access-Control-Allow-Headers': 'Cache-Control'
+    }
+  });
+}
+
+// Webhook endpoint that can be called when files change
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const { type = 'update', slug } = body;
+
+    // Notify all connected clients
+    const message = JSON.stringify({ type, slug, timestamp: new Date().toISOString() });
+    webhookClients.forEach(({ controller }) => {
+      try {
+        controller.enqueue(`data: ${message}\n\n`);
+      } catch (error) {
+        // Remove disconnected clients
+        webhookClients.delete({ id: '', controller });
+      }
+    });
+
+    return NextResponse.json({ success: true, clientsNotified: webhookClients.size });
+  } catch (error) {
+    console.error('Webhook error:', error);
+    return NextResponse.json({ error: 'Invalid webhook payload' }, { status: 400 });
+  }
+}