public void AddProductSellSignup(ActiveSignup signup) { AssertionConcerns.AssertArgumentNotIn(signup, ActiveSignups, $"{Reasons.DUPLICATE}: Cannot add a duplicate ActiveSignups"); ActiveSignups.Add(signup); }
public void AddAttribute(ProductAttribute productAttribute) { AssertionConcerns.AssertArgumentNotIn(productAttribute, Attributes, $"Product Attribute Already Exists: {productAttribute}"); Attributes.Add(productAttribute); }