[TSM.ID].[11031972] PXE : Platform X Ecosystem I [118 Module -LIVE-]

jumpa-chat/app/api/omnibrain/sse/route.ts

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+// [TSM.ID].[11031972] -- All Rights Reserved. Proprietary & Confidential.
+import { NextRequest, NextResponse } from "next/server";
+import Redis from "ioredis";
+
+// Klien Redis khusus untuk Subscriber (Mendengarkan event OmniBrain)
+// Karena ini adalah endpoint streaming, kita membutuhkan instance Redis tersendiri per koneksi (opsional),
+// namun karena SSE bersifat long-lived, kita instansiasi dalam blok handler.
+const redisUrl = process.env.REDIS_URL || "redis://localhost:6379";
+
+export async function GET(req: NextRequest) {
+  const searchParams = req.nextUrl.searchParams;
+  const channel = searchParams.get("channel"); // Misalnya: "room_alpha_events"
+
+  if (!channel) {
+    return NextResponse.json({ error: "Missing channel" }, { status: 400 });
+  }
+
+  const redis = new Redis(redisUrl);
+
+  const stream = new ReadableStream({
+    async start(controller) {
+      // 1. Subscribe ke channel spesifik di Redis
+      await redis.subscribe(channel, (err) => {
+        if (err) {
+          console.error("[SSE] Gagal subscribe ke Redis:", err);
+          controller.error(err);
+        } else {
+          console.log(`[SSE] OmniBrain terhubung ke saluran: ${channel}`);
+        }
+      });
+
+      // 2. Dengarkan pesan yang dipancarkan oleh API /emit
+      redis.on("message", (subChannel, message) => {
+        if (subChannel === channel) {
+          // Format SSE: "data: {JSON}\n\n"
+          controller.enqueue(`data: ${message}\n\n`);
+        }
+      });
+
+      // 3. Keep-Alive (Mencegah koneksi HTTP ditutup oleh Proxy/Nginx)
+      const keepAlive = setInterval(() => {
+        controller.enqueue(":\n\n"); // Komentar SSE untuk keep-alive
+      }, 15000);
+
+      // 4. Deteksi klien putus
+      req.signal.addEventListener("abort", () => {
+        clearInterval(keepAlive);
+        redis.disconnect();
+        console.log(`[SSE] Klien terputus dari saluran: ${channel}`);
+      });
+    },
+    cancel() {
+      redis.disconnect();
+    }
+  });
+
+  return new NextResponse(stream, {
+    headers: {
+      "Content-Type": "text/event-stream",
+      "Cache-Control": "no-cache, no-transform",
+      "Connection": "keep-alive",
+      "Access-Control-Allow-Origin": "*",
+    },
+  });
+}