added admin system

src/app/admin/datasets/[id]/entries/[entryId]/page.tsx

@@ -3,6 +3,8 @@ import db from '@/lib/db';
 import { dataset_entry } from '@/lib/model/dataset_entry';
 import { eq } from 'drizzle-orm';
 import AudioPlayer from '@/components/AudioPlayer';
+import { requireAdmin } from '@/lib/auth';
+import { redirect } from 'next/navigation';
 
 interface DatasetEntryPageProps {
   params: {
@@ -12,6 +14,16 @@ interface DatasetEntryPageProps {
 }
 
 export default async function DatasetEntryPage({ params }: DatasetEntryPageProps) {
+  const result = await requireAdmin();
+
+  if (!result.authenticated) {
+    redirect("/user/sign-in");
+  }
+
+  if (!result.admin) {
+    redirect("/");
+  }
+
   const { id: datasetId, entryId } = await params;
   const datasetIdNum = parseInt(datasetId, 10);
   const entryIdNum = parseInt(entryId, 10);

src/app/admin/datasets/[id]/page.tsx

@@ -6,6 +6,8 @@ import EditableDatasetHeader from '@/components/EditableDatasetHeader';
 import DatasetEntriesList from '@/components/DatasetEntriesList';
 import UploadDatasetEntriesModal from '@/components/UploadDatasetEntriesModal';
 import RemoveAllEntriesButton from '@/components/RemoveAllEntriesButton';
+import { requireAdmin } from '@/lib/auth';
+import { redirect } from 'next/navigation';
 
 interface DatasetPageProps {
   params: {
@@ -14,6 +16,16 @@ interface DatasetPageProps {
 }
 
 export default async function DatasetPage({ params }: DatasetPageProps) {
+  const result = await requireAdmin();
+
+  if (!result.authenticated) {
+    redirect("/user/sign-in");
+  }
+
+  if (!result.admin) {
+    redirect("/");
+  }
+
   const {id} = await params;
   const datasetId = parseInt(id, 10);
 

src/app/admin/page.tsx

@@ -1,22 +1,39 @@
 import DatasetsList from "@/components/DatasetsList";
 import CreateDatasetModal from "@/components/CreateDatasetModal";
-import { auth } from "@/lib/auth";
-import { headers } from "next/headers";
+import { requireAdmin } from "@/lib/auth";
 import { redirect } from "next/navigation";
+import Link from "next/link";
 
 export default async function AdminPage() {
-    const session = await auth.api.getSession({
-        headers: await headers()
-    })
+    const result = await requireAdmin();
 
-    if(!session) {
-        redirect("/user/sign-in")
+    if (!result.authenticated) {
+        redirect("/user/sign-in");
+    }
+
+    if (!result.admin) {
+        redirect("/");
     }
 
   return (
     <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+      <div className="mb-8">
+        <h1 className="text-3xl font-bold mb-4">Admin Panel</h1>
+        <div className="flex gap-4">
+          <Link
+            href="/admin/users"
+            className="px-4 py-2 bg-blue-500 text-white rounded hover:bg-blue-600"
+          >
+            Manage Users
+          </Link>
+        </div>
+      </div>
+
+      <div className="mt-8">
+        <h2 className="text-2xl font-bold mb-4">Datasets</h2>
         <CreateDatasetModal />
         <DatasetsList />
+      </div>
     </div>
   );
 }

src/app/admin/users/page.tsx

@@ -0,0 +1,39 @@
+import Link from "next/link";
+import UsersList from "@/components/UsersList";
+import { requireAdmin } from "@/lib/auth";
+import { redirect } from "next/navigation";
+import { getAllUsers } from "@/app/actions/manage-users";
+
+export default async function UsersPage() {
+  const result = await requireAdmin();
+
+  if (!result.authenticated) {
+    redirect("/user/sign-in");
+  }
+
+  if (!result.admin) {
+    redirect("/");
+  }
+
+  const users = await getAllUsers();
+
+  return (
+    <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+      <div className="mb-6">
+        <Link
+          href="/admin"
+          className="text-blue-500 hover:text-blue-600 mb-4 inline-block"
+        >
+          ← Back to Admin
+        </Link>
+        <h1 className="text-3xl font-bold">User Management</h1>
+      </div>
+
+      <div className="bg-white rounded-lg shadow">
+        <div className="p-6">
+          <UsersList users={users} />
+        </div>
+      </div>
+    </div>
+  );
+}