added supabase

utils/supabase/middleware.ts

@@ -0,0 +1,78 @@
+import { createServerClient } from "@supabase/ssr";
+import { NextResponse, type NextRequest } from "next/server";
+
+export async function updateSession(request: NextRequest) {
+  let supabaseResponse = NextResponse.next({
+    request,
+  });
+
+  const supabase = createServerClient(
+    process.env.NEXT_PUBLIC_SUPABASE_URL!,
+    process.env.NEXT_PUBLIC_SUPABASE_PUBLISHABLE_DEFAULT_KEY!,
+    {
+      cookies: {
+        getAll() {
+          return request.cookies.getAll();
+        },
+        setAll(cookiesToSet) {
+          cookiesToSet.forEach(({ name, value }) =>
+            request.cookies.set(name, value)
+          );
+          supabaseResponse = NextResponse.next({
+            request,
+          });
+          cookiesToSet.forEach(({ name, value, options }) =>
+            supabaseResponse.cookies.set(name, value, options)
+          );
+        },
+      },
+    }
+  );
+
+  // Refresh the session
+  const {
+    data: { user },
+  } = await supabase.auth.getUser();
+
+  // Protect admin routes (except login)
+  const isAdminRoute = request.nextUrl.pathname.startsWith("/admin");
+  const isLoginPage = request.nextUrl.pathname === "/admin/login";
+
+  if (isAdminRoute && !isLoginPage) {
+    if (!user) {
+      const url = request.nextUrl.clone();
+      url.pathname = "/admin/login";
+      return NextResponse.redirect(url);
+    }
+
+    // Verify the user is in admin_users table
+    const { data: adminUser } = await supabase
+      .from("admin_users")
+      .select("role")
+      .eq("user_id", user.id)
+      .single();
+
+    if (!adminUser) {
+      const url = request.nextUrl.clone();
+      url.pathname = "/admin/login";
+      return NextResponse.redirect(url);
+    }
+  }
+
+  // If logged-in admin visits login page, redirect to dashboard
+  if (isLoginPage && user) {
+    const { data: adminUser } = await supabase
+      .from("admin_users")
+      .select("role")
+      .eq("user_id", user.id)
+      .single();
+
+    if (adminUser) {
+      const url = request.nextUrl.clone();
+      url.pathname = "/admin";
+      return NextResponse.redirect(url);
+    }
+  }
+
+  return supabaseResponse;
+}