public async Task <IDataResult <IList <TodoOutput> > > GetListByFilter(Expression <Func <Todo, bool> > filter = null)
{
var todos = await _todoDal.GetList(filter);
var todoOutputs = MapsterTool.Map <IList <Todo>, IList <TodoOutput> >(todos);
return(new SuccessDataResult <IList <TodoOutput> >(todoOutputs, Messages.Successfully));
}