public async Task <OperationResult> CreateDescriptionGroupAsync(DescriptionGroup descriptionGroup)
{
ThrowIfDisposed();
if (descriptionGroup == null)
{
throw new ArgumentNullException(nameof(descriptionGroup));
}
if (await _repository.DescriptionGroupItemsQueryable
.AnyAsync(x => x.Name == descriptionGroup.Name, CancellationToken))
{
return(OperationResult.Failure(ErrorDescriber.DuplicateDescriptionGroupName()));
}
var result = await Validate(new[] { descriptionGroup }, DescriptionGroupValidators);
if (!result.Succeeded)
{
return(result);
}
result = await _repository.CreateDescriptionGroupAsync(descriptionGroup, CancellationToken);
if (!result.Succeeded)
{
return(result);
}
return(OperationResult.Success());
}
