public bool IsPurchaseReady(out PurchaseError error, out string notReadyReason)
{
error = PurchaseError.None;
notReadyReason = string.Empty;
switch (routerState)
{
case RouterState.PurchaseReady: {
// pass.
break;
}
case RouterState.Purchasing: {
error = PurchaseError.AlreadyPurchasing;
notReadyReason = "purchasing another product now. wait then retry.";
return(false);
}
default: {
error = PurchaseError.UnknownError;
notReadyReason = "state is:" + routerState;
return(false);
}
}
return(true);
}
public void RequestFailed(SKRequest request, NSError error)
{
// Get Info for the Exception
string description = error.LocalizedDescription ?? string.Empty;
PurchaseError purchaseError = error.ToPurchaseError();
// Failed to Restore. Set the Exception to the Task, so the caller can react to the issue
_productsReceived.TrySetException(new InAppPurchaseException(purchaseError, description));
}
/// <summary>
/// Returns product info for the specified Ids
/// </summary>
/// <param name="productIds">Product Ids</param>
/// <param name="productType">Product Type (either BillingClient.SkuType.Inapp or BillingClient.SkuType.Subs)</param>
/// <returns></returns>
public async Task <IEnumerable <Product> > LoadProductsAsync(string[] productIds, ProductType productType)
{
string skuType = GetBillingSkuType(productType);
// Build the Sku Params
SkuDetailsParams skuParams = SkuDetailsParams.NewBuilder()
.SetSkusList(productIds)
.SetType(skuType)
.Build();
// Query the Play store
QuerySkuDetailsResult queryResult = await _billingClient.QuerySkuDetailsAsync(skuParams);
BillingResult result = queryResult?.Result;
if (result == null)
{
// Failed to get products. Set the Exception to the Task, so the caller can react to the issue
throw new InAppPurchaseException(PurchaseError.Unknown, "BillingResult is null");
}
if (result.ResponseCode != BillingResponseCode.Ok)
{
PurchaseError purchaseError = result.ResponseCode.ToPurchaseError();
// Failed to get products. Set the Exception to the Task, so the caller can react to the issue
throw new InAppPurchaseException(purchaseError, result.DebugMessage);
}
// Wait till the products are received in the callback
IList <SkuDetails> skuDetails = queryResult?.SkuDetails;
if (skuDetails == null)
{
skuDetails = new List <SkuDetails>();
}
// Add more Skus to the Dictionary of SkuDetails
// We need SkuDetails to initiate the Purchase
foreach (SkuDetails sku in skuDetails)
{
_retrievedProducts.TryAdd(sku.Sku, sku);
}
// Return products
return(skuDetails.Select(p => new Product
{
Name = p.Title,
Description = p.Description,
CurrencyCode = p.PriceCurrencyCode,
FormattedPrice = p.Price,
ProductId = p.Sku,
MicrosPrice = p.PriceAmountMicros,
LocalizedIntroductoryPrice = p.IntroductoryPrice,
MicrosIntroductoryPrice = p.IntroductoryPriceAmountMicros
}));
}
private string GetPurchaseErrorMessage(PurchaseError error)
{
switch (error)
{
case PurchaseError.BillingUnavailable:
return(AppResources.errBillingUnavailable);
case PurchaseError.DeveloperError:
return(AppResources.errDeveloperError);
case PurchaseError.ItemUnavailable:
return(AppResources.errItemUnavailable);
default:
case PurchaseError.GeneralError:
return(AppResources.errGeneralError);
case PurchaseError.UserCancelled:
return(AppResources.errUserCancelled);
case PurchaseError.AppStoreUnavailable:
return(AppResources.errAppStoreUnavailable);
case PurchaseError.PaymentNotAllowed:
return(AppResources.errPaymentNotAllowed);
case PurchaseError.PaymentInvalid:
return(AppResources.errPaymentInvalid);
case PurchaseError.InvalidProduct:
return(AppResources.errInvalidProduct);
case PurchaseError.ProductRequestFailed:
return(AppResources.errProductRequestFailed);
case PurchaseError.RestoreFailed:
return(AppResources.errRestoreFailed);
case PurchaseError.ServiceUnavailable:
return(AppResources.errServiceUnavailable);
case PurchaseError.AlreadyOwned:
return(AppResources.errAlreadyOwned);
case PurchaseError.NotOwned:
return(AppResources.errNotOwned);
}
}
public override void RestoreCompletedTransactionsFailedWithError(SKPaymentQueue queue, NSError error)
{
Debug.WriteLine($"RestoreCompletedTransactionsFailedWithError called... _transactionsRestored is null = {_transactionsRestored==null}");
try
{
// Get Info for the Exception
string description = error?.LocalizedDescription ?? string.Empty;
PurchaseError purchaseError = error.ToPurchaseError();
// Failed to Restore. Set the Exception to the Task, so the caller can react to the issue
_transactionsRestored?.TrySetException(new InAppPurchaseException(purchaseError, description));
_transactionsRestored = null;
}
catch (Exception ex)
{
Debug.WriteLine($"Exception {ex.ToString()}");
_transactionsRestored?.TrySetException(new InAppPurchaseException(PurchaseError.Unknown, ex.ToString()));
_transactionsRestored = null;
}
}
/// <summary>
///
/// </summary>
/// <param name="error"></param>
public InAppBillingPurchaseException(PurchaseError error, string message) : base(message)
{
PurchaseError = error;
}
/// <summary>
///
/// </summary>
/// <param name="error"></param>
public InAppBillingPurchaseException(PurchaseError error) : base("Unable to process purchase.")
{
PurchaseError = error;
}
public static PurchaseError ToPurchaseError(this NSError inAppError)
{
nint errorCode = inAppError?.Code ?? -1;
PurchaseError error = PurchaseError.Unknown;
switch (errorCode)
{
case (int)SKError.Unknown:
error = PurchaseError.Unknown;
break;
case (int)SKError.ClientInvalid:
error = PurchaseError.BillingUnavailable;
break;
case (int)SKError.PaymentCancelled:
error = PurchaseError.UserCancelled;
break;
case (int)SKError.PaymentInvalid:
error = PurchaseError.PaymentInvalid;
break;
case (int)SKError.PaymentNotAllowed:
error = PurchaseError.PaymentNotAllowed;
break;
case (int)SKError.ProductNotAvailable:
error = PurchaseError.ItemUnavailable;
break;
case (int)SKError.CloudServicePermissionDenied:
error = PurchaseError.PermissionDenied;
break;
case (int)SKError.CloudServiceNetworkConnectionFailed:
error = PurchaseError.NetworkConnectionFailed;
break;
case (int)SKError.CloudServiceRevoked:
error = PurchaseError.CloudServiceRevoked;
break;
case (int)SKError.PrivacyAcknowledgementRequired:
error = PurchaseError.PrivacyError;
break;
case (int)SKError.UnauthorizedRequestData:
error = PurchaseError.UnauthorizedRequest;
break;
case (int)SKError.InvalidOfferIdentifier:
error = PurchaseError.InvalidOffer;
break;
case (int)SKError.InvalidSignature:
error = PurchaseError.InvalidSignature;
break;
case (int)SKError.MissingOfferParams:
error = PurchaseError.MissingOfferParams;
break;
case (int)SKError.InvalidOfferPrice:
error = PurchaseError.InvalidOfferPrice;
break;
default:
error = PurchaseError.Unknown;
break;
}
return(error);
}
public PurchaseException(PurchaseError error, string message = null)
: base(message)
{
Error = error;
}
/// <summary>
///
/// </summary>
/// <param name="error"></param>
public InAppBillingPurchaseException(PurchaseError error, string message, string purchaseId) : base(message)
{
PurchaseError = error;
PurchaseId = purchaseId;
}
/// <summary>
/// Default ctor
/// </summary>
/// <param name="error">Purchase Error</param>
/// <param name="ex">Inner Exception</param>
public InAppPurchaseException(PurchaseError error, Exception ex) : base("Unable to process purchase.", ex)
{
PurchaseError = error;
}
/// <summary>
///
/// </summary>
/// <param name="error"></param>
/// <param name="ex"></param>
public InAppBillingPurchaseException(PurchaseError error, Exception ex) : base("Unable to process purchase.", ex) => PurchaseError = error;
