public ProductDescription FetchCategoryProductDescription(Guid categoryId, Guid pdId)
{
var category = FetchCategory(categoryId);
ProductDescription productDescription = null;
if (category != null)
{
productDescription = category.FetchProductDescription(pdId);
}
return(productDescription);
}
public ProductDescription AddProductDescription(decimal basePrice, string description, bool gstFree)
{
var pd = new ProductDescription(this, basePrice, description, gstFree);
if (ProductDescriptions.Contains(pd))
{
throw new Exception(" Product already exists");
}
ProductDescriptions.Add(pd);
return(pd);
}