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 = "" }); }