using LMS.Repository.Models.DB;
using Microsoft.AspNetCore.Identity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LMS.DAO.UserDAO
{
    public class UserBasicDao(UserManager<User> userManager)
    {
        private readonly UserManager<User> _userManager = userManager;
        /// <summary>
        /// 检查用户是否存在,通过用户ID
        /// </summary>
        /// <param name="userId"></param>
        /// <returns></returns>
        public async Task<bool> CheckUserExistsByID(long? userId)
        {
            if (userId == null)
            {
                return false;
            }
            return await _userManager.FindByIdAsync(userId.ToString()) != null;
        }
    }

}