public virtual ProductItem Save(ProductItem productItem)
{
if (productItem == null)
{
throw new ArgumentException("ProductItem cannot be null");
}
Product product = null;
if (productItem.Id == 0)
{
product = productItem.CreateProduct();
}
else
{
product = this.productManager.Get(productItem.Id);
productItem.UpdateProduct(product);
}
var productInDB = this.productManager.Save(product);
var productItemToReturn = ProductItem.FromModel(productInDB);
return(productItemToReturn);
}