// frontend/app/layout.jsx import "./globals.css"; import Link from "next/link"; import { redirect } from "next/navigation"; import { cookies, headers } from "next/headers"; export const metadata = { title: "DMS", description: "Document Management System — LCBP3 Phase 3", }; const API_BASE = (process.env.NEXT_PUBLIC_API_BASE || "").replace(/\/$/, ""); /** ดึงสถานะผู้ใช้แบบ global (ไม่บังคับล็อกอิน) */ async function fetchGlobalSession() { const cookieStore = await cookies(); const cookieHeader = cookieStore.toString(); const hdrs = await headers(); const hostHdr = hdrs.get("host"); const protoHdr = hdrs.get("x-forwarded-proto") || "https"; const res = await fetch(`${API_BASE}/api/auth/me`, { method: "GET", headers: { Cookie: cookieHeader, "X-Forwarded-Host": hostHdr || "", "X-Forwarded-Proto": protoHdr, Accept: "application/json", }, cache: "no-store", }); if (!res.ok) return null; try { const data = await res.json(); return data?.ok ? data : null; } catch { return null; } } /** ปุ่ม Logout แบบ Server Action (ไม่ต้องมี client component) */ async function LogoutAction() { "use server"; const cookieStore = await cookies(); const cookieHeader = cookieStore.toString(); const hdrs = await headers(); const hostHdr = hdrs.get("host"); const protoHdr = hdrs.get("x-forwarded-proto") || "https"; // เรียก backend ให้ลบคุกกี้ออก (HttpOnly cookies) await fetch(`${API_BASE}/api/auth/logout`, { method: "POST", headers: { Cookie: cookieHeader, "X-Forwarded-Host": hostHdr || "", "X-Forwarded-Proto": protoHdr, Accept: "application/json", }, cache: "no-store", }); // กลับไปหน้า login พร้อม next ไป dashboard redirect("/login?next=/dashboard"); } export default async function RootLayout({ children }) { const session = await fetchGlobalSession(); const loggedIn = !!session?.user; return ( {/* Header รวมทุกหน้า */}

Document Management System

{loggedIn ? (
สวัสดี, {session.user.username} ({session.user.role})
) : (
ยังไม่ได้เข้าสู่ระบบ
)} {/* ปุ่ม Login/Logout */} {loggedIn ? (
) : ( เข้าสู่ระบบ )}
{children}
); }