新增資料庫、用戶註冊、登入的功能

app/api/users/stats/route.ts

@@ -0,0 +1,23 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { requireAdmin } from '@/lib/auth';
+import { db } from '@/lib/database';
+
+export async function GET(request: NextRequest) {
+  try {
+    await requireAdmin(request);
+    const total = await db.queryOne<{ count: number }>('SELECT COUNT(*) as count FROM users');
+    const admin = await db.queryOne<{ count: number }>("SELECT COUNT(*) as count FROM users WHERE role = 'admin'");
+    const developer = await db.queryOne<{ count: number }>("SELECT COUNT(*) as count FROM users WHERE role = 'developer'");
+    const user = await db.queryOne<{ count: number }>("SELECT COUNT(*) as count FROM users WHERE role = 'user'");
+    const today = await db.queryOne<{ count: number }>("SELECT COUNT(*) as count FROM users WHERE join_date = CURDATE()");
+    return NextResponse.json({
+      total: total?.count || 0,
+      admin: admin?.count || 0,
+      developer: developer?.count || 0,
+      user: user?.count || 0,
+      today: today?.count || 0
+    });
+  } catch (error) {
+    return NextResponse.json({ error: '內部伺服器錯誤', details: error instanceof Error ? error.message : 'Unknown error' }, { status: 500 });
+  }
+}