public async Task <Unit> Handle(TaskDeleteCommand request, CancellationToken cancellationToken)
{
var task = _repository.GetTaskById(request.Id);
if (task == null)
{
throw new System.ArgumentNullException("Task");
}
await Task.Run(() => { _repository.DeleteTask(task); });
_logger.LogInformation($"TodoTask deleted {task.ToString()}");
return(Unit.Value);
}