public async Task <ValidationResult> Handle(AddItemCommand request, CancellationToken cancellationToken)
{
if (!request.IsValid())
{
return(request.ValidationResult);
}
var item = new Item(request.Id, request.Name, request.Description, request.Category);
if (await _showcaseRepository.GetByNameWithoutTracking(request.Name) != null)
{
AddError("The name of the item has been existed.");
return(ValidationResult);
}
item.AddDomainEvent(new AddedItemEvent(item.Id, item.Name, item.Description, item.Category));
_showcaseRepository.Add(item);
return(await Commit(_showcaseRepository.UnitOfWork));
}
