for pack in cardPacks.cardPacks {
            if pack.packageNumber == 1 {
              cardPacksOwned.append(pack)
            } else if ... {
                for id in PProducts.productIdentifiers {
                    if String(pack.packageNumber) == resourceNameForProductIdentifier(id) {
                        if PProducts.store.isProductPurchased(id) {
                            cardPacksOwned.append(pack)
                        }
                    }
                }
            }
            else {
                cardPacksNotOwned.append(pack)
            }
        }