// 用于获取当前用户信息

using System.Security.Claims;

public interface ICurrentUserService
{
    Guid UserId { get; }
    bool IsAdmin { get; }
}

public class CurrentUserService : ICurrentUserService
{
    private readonly IHttpContextAccessor _httpContextAccessor;

    public CurrentUserService(IHttpContextAccessor httpContextAccessor)
    {
        _httpContextAccessor = httpContextAccessor;
    }

    public Guid UserId => 
        Guid.Parse(_httpContextAccessor.HttpContext?.User?.FindFirst(ClaimTypes.NameIdentifier)?.Value);

    public bool IsAdmin => 
        _httpContextAccessor.HttpContext?.User?.IsInRole("luolan") ?? false;
}