getPurchaseList method

@override Future<List<ProductDetails?>?> getPurchaseList(List<String> purchase_ids, String purchase_type, PurchaseListener? listener)

Implementation

@override
Future<List<ProductDetails?>?> getPurchaseList(List<String> purchase_ids,
    String purchase_type, PurchaseListener? listener) async {
  this.listener = listener;
  final List<PurchaseId> pricingList = [];

  purchase_ids.forEach((element) {
    pricingList
        .add(PurchaseId(purchaseId: element, purchaseType: purchase_type));
  });

  final price = await methodChannel.invokeMethod<String?>(
      'getPurchaseList', {"purchases": purchaseIdToJson(pricingList)});
  if ((price ?? "").isEmpty) {
    return List.empty();
  }
  final List<ProductDetails> retrievePricingList = [];
  productDetailsResponseFromJson(price!).forEach((element) {
    if ((element.zza ?? "").isNotEmpty) {
      retrievePricingList.add(productDetailsFromJson(element.zza!));
    }
  });
  retrievePricingList.sort((a, b) {

    int aAmount = 0;
    int bAmount = 0;

    if (a.subscriptionOfferDetails.isNotEmpty) {
      if (a.subscriptionOfferDetails[0]?.pricingPhases.isNotEmpty == true) {
        aAmount = a.subscriptionOfferDetails[0]?.pricingPhases[0]?.priceAmountMicros ?? aAmount;
      }
    }

    if (b.subscriptionOfferDetails.isNotEmpty) {
      if (b.subscriptionOfferDetails[0]?.pricingPhases.isNotEmpty == true) {
        bAmount = b.subscriptionOfferDetails[0]?.pricingPhases[0]?.priceAmountMicros ?? bAmount;
      }
    }

    return aAmount.compareTo(bAmount);
  },);
  return retrievePricingList;
}