private async Task UpdateCallback(Id taskId, ILogHandler logHandler)
 {
     await _tasksRepository.AppendLog(taskId.Value, logHandler.GetLog());
 }
 private async Task FailureCallback(Id taskId, ILogHandler logHandler)
 {
     await _tasksRepository.FinishTask(taskId.Value, TaskStatus.Failed, logHandler.GetLog());
 }
 private async Task SuccessCallback(Id taskId, ILogHandler logHandler)
 {
     await _tasksRepository.FinishTask(taskId.Value, TaskStatus.Success, logHandler.GetLog());
 }