protected async override Task <IEnumerable <InAppBillingPurchase> > GetPurchasesAsync(ItemType itemType, IInAppBillingVerifyPurchase verifyPurchase, string verifyOnlyProductId)
{
var purchases = await RestoreAsync();
if (purchases == null)
{
return(null);
}
var comparer = new InAppBillingPurchaseComparer();
var converted = purchases
.Where(p => p != null)
.Select(p2 => p2.ToIABPurchase())
.Distinct(comparer);
var validPurchases = new List <InAppBillingPurchase>();
foreach (var purchase in converted)
{
if ((verifyOnlyProductId != null && !verifyOnlyProductId.Equals(purchase.ProductId)) || await ValidateReceipt(verifyPurchase, purchase.ProductId, purchase.Id))
{
validPurchases.Add(purchase);
}
}
return(validPurchases.Any() ? validPurchases : null);
}
public async override Task <IEnumerable <InAppBillingPurchase> > GetPurchasesAsync(ItemType itemType)
{
var purchases = await RestoreAsync();
var comparer = new InAppBillingPurchaseComparer();
return(purchases
?.Where(p => p != null)
?.Select(p2 => p2.ToIABPurchase())
?.Distinct(comparer));
}
/// <summary>
/// Get all current purchase for a specifiy product type.
/// </summary>
/// <param name="itemType">Type of product</param>
/// <param name="verifyPurchase">Interface to verify purchase</param>
/// <returns>The current purchases</returns>
public async override Task <IEnumerable <InAppBillingPurchase> > GetPurchasesAsync(ItemType itemType, IInAppBillingVerifyPurchase verifyPurchase = null)
{
var purchases = await RestoreAsync();
if (purchases == null)
{
return(null);
}
var comparer = new InAppBillingPurchaseComparer();
var converted = purchases
.Where(p => p != null)
.Select(p2 => p2.ToIABPurchase())
.Distinct(comparer);
//try to validate purchases
var valid = await ValidateReceipt(verifyPurchase, string.Empty, string.Empty);
return(valid ? converted : null);
}