public async Task <RecordResult> SignOut([FromBody] SignOutModel model)
{
// 从数据库获取签到记录
Record record = await(from r in _context.Records
where r.SignOutTime == null &&
r.StudentId == model.StudentId
select r).FirstAsync();
// 签退
record.SignOut();
// 更新签到记录
try
{
_context.Update(record);
await _context.SaveChangesAsync();
}
catch (Exception e)
{
_logger.LogError($"DataBase Error: {e.Message}");
return(RecordResult.Fail(RecordErrorResource.DataBaseError));
}
return(RecordResult.Success());
}
public async Task <object> SignOut(string userId)
{
Record record = await(from r in _context.Records
where r.SignOutTime == null &&
r.UserId == userId
select r).FirstOrDefaultAsync();
if (record == null)
{
return(new
{
result = false,
msg = "未能找到对于记录！"
});
}
record.SignOutTime = DateTime.UtcNow;
_context.Update(record);
await _context.SaveChangesAsync();
return(new
{
result = true,
msg = ""
});
}
