public async Task <Response <int> > Handle(SaveItemCommand request, CancellationToken cancellationToken)
{
var item = await _itemRepository.GetByCode(request.Code);
if (item != null)
{
throw new ConflictException("This code is already registered!");
}
var itemModel = _mapper.Map <Item>(request);
itemModel.Active = true;
await _itemRepository.AddAsync(itemModel);
return(new Response <int>(itemModel.Id));
}