/// <summary>
/// 根据 token 获取管理员，如果管理员不存在，会返回管理员空值
/// </summary>
/// <param name="token"></param>
/// <returns></returns>
public static Account GetAccount(string token)
{
using var db = new YGBContext();
DB.Tables.Admin account = db.Admins.AsNoTracking()
.FirstOrDefault(a => a.Token.ToString() == token);
if (account is null)
{
return(new Account(Account.EMPTY));
}
return(new Account(account.Id));
}
/// <summary>
/// 登出
/// </summary>
public async Task <Resp> Logout()
{
using var db = new YGBContext();
DB.Tables.Admin account = await db.Admins.FirstOrDefaultAsync(a => a.Id == Id);
if (account is null)
{
return(Resp.Success(Resp.NONE));
}
account.Token = Guid.NewGuid();
if (await db.SaveChangesAsync() == 1)
{
return(Resp.Success(Resp.NONE));
}
return(Resp.Fault(Resp.NONE, "退出登录失败"));
}
/// <summary>
/// 登录
/// </summary>
public static async Task <(bool, Resp)> Login(Models.LoginInfo loginInfo)
{
/*
* 检查登录参数
*/
(bool isValid, string msg) = loginInfo.IsValid();
if (!isValid)
{
return(false, Resp.Fault(Resp.NONE, msg));
}
/*
* 检查登录账号密码
*/
using var db = new YGBContext();
DB.Tables.Admin account = await db.Admins.FirstOrDefaultAsync(a => a.Account == loginInfo.Account && a.Password == loginInfo.Password);
if (account is null)
{
return(false, Resp.Fault(Resp.NONE, "账号不存在或密码错误"));
}
account.Token = Guid.NewGuid();
int suc = await db.SaveChangesAsync();
if (suc != 1)
{
return(false, Resp.Fault(Resp.NONE, "登录失败, 请重试"));
}
Results.LoggedInInfo result = new Results.LoggedInInfo
{
Id = account.Id,
Token = account.Token,
UserName = account.Account,
Email = account.Email
};
return(true, Resp.Success(result));
}
