public SaveBudgetItemTypeValidator(IBudgetItemTypeRepository repository)
{
RuleFor(e => e.Name).NotEmpty().WithErrorMessage(Errors.NameRequired());
RuleFor(e => e.Name).CustomAsync(MustBeUniqueAsync);
_repository = repository;
}
protected async Task <bool> MustBeUniqueAsync(
string name,
CustomContext context,
CancellationToken cancellationToken)
{
var duplicateByName = await _repository.FindDuplicateByNameAsync((BudgetItemType)context.InstanceToValidate);
if (duplicateByName is null)
{
return(true);
}
var error = Errors.NameExists(name);
var failure = new ValidationFailure(nameof(BudgetItemType.Name), error.Message);
failure.ErrorCode = error.Code;
context.AddFailure(failure);
return(false);
}
