private async Task <Receipt> PurchaseProductAsync(Product product)
{
// Ensure that if this is a consumable, any previous purchases have been fulfilled
if (product.Type == ProductType.Consumable)
{
var waiting = await GetUnfulfilledConsumablesAsync();
UnfulfilledConsumable transaction = null;
foreach (var unfulfilledConsumable in waiting)
{
if (unfulfilledConsumable.ProductId == product.ProductID)
{
transaction = unfulfilledConsumable;
break;
}
}
if (transaction != null)
{
var fulfillmentResult = await ReportConsumableFulfillmentAsync(transaction.ProductId, transaction.TransactionId);
if (fulfillmentResult != FulfillmentResult.NothingToFulfill &&
fulfillmentResult != FulfillmentResult.Succeeded)
{
// An error occured or the purchase is still pending and could fail - we consider this purchase failed
return(new Receipt(product, StatusCode.ConsumablePending, null));
}
}
}
var purchaseResult = await RequestProductPurchaseAsync(product.ProductID);
if (purchaseResult.Status == ProductPurchaseStatus.Succeeded)
{
return(new Receipt(product, StatusCode.Success, purchaseResult.ReceiptXml));
}
// If we reach this point then an error has occured in the purchase
var status = StatusCode.UnknownError;
switch (purchaseResult.Status)
{
case ProductPurchaseStatus.AlreadyPurchased:
status = StatusCode.DurableOwned;
break;
case ProductPurchaseStatus.NotFulfilled:
status = StatusCode.ConsumablePending;
break;
case ProductPurchaseStatus.NotPurchased:
status = StatusCode.UserCancelled;
break;
}
return(new Receipt(product, status, null));
}
public static async void LoadUnfulfilledConsumables(string productId, Action <List <InAppUnfulfilledProduct> > callback)
{
if (callback != null)
{
List <InAppUnfulfilledProduct> list = new List <InAppUnfulfilledProduct>();
if (AppGlobalStateManager.Current.GlobalState.PaymentType == AccountPaymentType.money)
{
callback.Invoke(list);
}
else
{
try
{
IEnumerator <UnfulfilledConsumable> var_2 = (await CurrentApp.GetUnfulfilledConsumablesAsync()).GetEnumerator();
try
{
while (var_2.MoveNext())
{
UnfulfilledConsumable var_3_BD = var_2.Current;
string var_4_C9 = InAppPurchaseService.ToServerMerchantProductId(var_3_BD.ProductId);
if (string.IsNullOrEmpty(productId) || !(var_4_C9 != productId))
{
list.Add(new InAppUnfulfilledProduct
{
ProductId = var_4_C9,
TransactionId = var_3_BD.TransactionId
});
}
}
}
finally
{
if (var_2 != null)
{
var_2.Dispose();
}
}
}
catch
{
}
callback.Invoke(list);
}
}
}
