public async Task <ProductGroup> AddProductGroup(ProductGroup productGroup)
{
if (productGroup is null)
{
throw new ArgumentNullException(nameof(productGroup));
}
if (string.IsNullOrWhiteSpace(productGroup.Name))
{
throw new ArgumentException($"{nameof(productGroup.Name)} cannot be null or white space");
}
productGroup.Id = Guid.NewGuid().ToString();
var productGroupDataEntity = _mapper.MapToDataEntity(productGroup);
await _productGroupRepository.AddGroup(productGroupDataEntity);
return(productGroup);
}