Start the windows re-write

src/Plugin.InAppBilling/InAppBilling.android.cs

@@ -411,7 +411,7 @@ public async override Task<IEnumerable<(string Id, bool Success)>> FinalizePurch
  /// <param name="productId">Id or Sku of product</param>
  /// <param name="transactionIdentifier">Original Purchase Token</param>
  /// <returns>If consumed successful</returns>
- public override async Task<bool> ConsumePurchaseAsync(string productId, string transactionIdentifier)
+ public override async Task<bool> ConsumePurchaseAsync(string productId, string transactionIdentifier, int quantity)
  {
  if (BillingClient == null || !IsConnected)
  {

src/Plugin.InAppBilling/InAppBilling.apple.cs

@@ -224,7 +224,7 @@ Task<IEnumerable<SKProduct>> GetProductAsync(string[] productId)
  }
 
  /// <summary>
- /// Get app purchaes
+ /// Get app purchases
  /// </summary>
  /// <param name="itemType"></param>
  /// <returns></returns>
@@ -459,7 +459,7 @@ public override string ReceiptData
  /// <param name="transactionIdentifier">Original Purchase Token</param>
  /// <returns>If consumed successful</returns>
  /// <exception cref="InAppBillingPurchaseException">If an error occurs during processing</exception>
- public override async Task<bool> ConsumePurchaseAsync(string productId, string transactionIdentifier)
+ public override async Task<bool> ConsumePurchaseAsync(string productId, string transactionIdentifier, int quantity)
  {
  var items = await FinalizePurchaseAsync(transactionIdentifier);
  var item = items.FirstOrDefault(); 

src/Plugin.InAppBilling/InAppBilling.uwp.cs

@@ -53,17 +53,17 @@ public async override Task<IEnumerable<InAppBillingProduct>> GetProductInfoAsync
  Description = product.Description,
  ProductId = product.ProductId,
  LocalizedPrice = product.FormattedPrice,
- WindowsExtras = new InAppBillingProductWindowsExtras 
+ WindowsExtras = new InAppBillingProductWindowsExtras
  {
  FormattedBasePrice = product.FormattedBasePrice,
  ImageUri = product.ImageUri,
- IsOnSale = product.IsOnSale, 
+ IsOnSale = product.IsOnSale,
  SaleEndDate = product.SaleEndDate,
  Tag = product.Tag,
  IsConsumable = product.ProductType == ProductType.Consumable,
  IsDurable = product.ProductType == ProductType.Durable,
  Keywords = product.Keywords
- } 
+ }
  //CurrencyCode = product.CurrencyCode // Does not work at the moment, as UWP throws an InvalidCastException when getting CurrencyCode
  });
  }
@@ -72,7 +72,7 @@ public async override Task<IEnumerable<InAppBillingProduct>> GetProductInfoAsync
  }
 
  /// <summary>
- /// Get all pruchases
+ /// Get all purchases
  /// </summary>
  /// <param name="itemType"></param>
  /// <returns></returns>
@@ -100,15 +100,15 @@ public async override Task<InAppBillingPurchase> PurchaseAsync(string productId,
  var purchaseResult = await CurrentAppMock.RequestProductPurchaseAsync(InTestingMode, productId);
 
 
- if (purchaseResult == null)
- return null;
+ if (purchaseResult == null)
+ return null;
 
- if (string.IsNullOrWhiteSpace(purchaseResult.ReceiptXml))
- return null;
+ if (string.IsNullOrWhiteSpace(purchaseResult.ReceiptXml))
+ return null;
+
+ // Transform it to InAppBillingPurchase
+ return purchaseResult.ReceiptXml.ToInAppBillingPurchase(purchaseResult.Status).FirstOrDefault();
 
- // Transform it to InAppBillingPurchase
- return purchaseResult.ReceiptXml.ToInAppBillingPurchase(purchaseResult.Status).FirstOrDefault();
-
  }
 
  /// <summary>
@@ -124,8 +124,8 @@ public async override Task<InAppBillingPurchase> PurchaseAsync(string productId,
  /// <param name="productId">Id or Sku of product</param>
  /// <param name="transactionIdentifier">Original Purchase Token</param>
  /// <returns>If consumed successful</returns>
- /// <exception cref="InAppBillingPurchaseException">If an error occures during processing</exception>
- public async override Task<bool> ConsumePurchaseAsync(string productId, string transactionIdentifier)
+ /// <exception cref="InAppBillingPurchaseException">If an error occurs during processing</exception>
+ public async override Task<bool> ConsumePurchaseAsync(string productId, string transactionIdentifier, int quantity)
  {
  var result = await CurrentAppMock.ReportConsumableFulfillmentAsync(InTestingMode, productId, new Guid(transactionIdentifier));
  return result switch
@@ -184,14 +184,14 @@ public static IEnumerable<InAppBillingPurchase> ToInAppBillingPurchase(this stri
  var purchases = new List<InAppBillingPurchase>();
 
  var xmlDoc = new XmlDocument();
- try
- {
- xmlDoc.LoadXml(xml);
- }
- catch
- {
- //Invalid XML, we haven't finished this transaction yet.
- }
+ try
+ {
+ xmlDoc.LoadXml(xml);
+ }
+ catch
+ {
+ //Invalid XML, we haven't finished this transaction yet.
+ }
 
  // Iterate through all ProductReceipt elements
  var xmlProductReceipts = xmlDoc.GetElementsByTagName("ProductReceipt");