[in_app_purchase] Add expiration date to Transaction (#8030)

Closes flutter/flutter#158226

Exposes the Transaction's expiration date, so this information can be used on the dart side.

Author: feinstein

packages/in_app_purchase/in_app_purchase_storekit/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.3.19
+
+* Adds StoreKit2 Transaction expiration date.
+
 ## 0.3.18+5
 
 * Updates README to remove contributor-focused documentation.

packages/in_app_purchase/in_app_purchase_storekit/darwin/Classes/StoreKit2/StoreKit2Translators.swift

@@ -188,14 +188,15 @@ extension Product.PurchaseResult {
 extension Transaction {
   func convertToPigeon(receipt: String?) -> SK2TransactionMessage {
 
-    let dateFromatter: DateFormatter = DateFormatter()
-    dateFromatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
+    let dateFormatter = DateFormatter()
+    dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
 
     return SK2TransactionMessage(
       id: Int64(id),
       originalId: Int64(originalID),
       productId: productID,
-      purchaseDate: dateFromatter.string(from: purchaseDate),
+      purchaseDate: dateFormatter.string(from: purchaseDate),
+      expirationDate: expirationDate.map { dateFormatter.string(from: $0) },
       purchasedQuantity: Int64(purchasedQuantity),
       appAccountToken: appAccountToken?.uuidString,
       restoring: receipt != nil,

packages/in_app_purchase/in_app_purchase_storekit/darwin/Classes/StoreKit2/sk2_pigeon.g.swift

@@ -312,6 +312,7 @@ struct SK2TransactionMessage {
   var originalId: Int64
   var productId: String
   var purchaseDate: String
+  var expirationDate: String? = nil
   var purchasedQuantity: Int64
   var appAccountToken: String? = nil
   var restoring: Bool
@@ -324,17 +325,19 @@ struct SK2TransactionMessage {
     let originalId = pigeonVar_list[1] as! Int64
     let productId = pigeonVar_list[2] as! String
     let purchaseDate = pigeonVar_list[3] as! String
-    let purchasedQuantity = pigeonVar_list[4] as! Int64
-    let appAccountToken: String? = nilOrValue(pigeonVar_list[5])
-    let restoring = pigeonVar_list[6] as! Bool
-    let receiptData: String? = nilOrValue(pigeonVar_list[7])
-    let error: SK2ErrorMessage? = nilOrValue(pigeonVar_list[8])
+    let expirationDate: String? = nilOrValue(pigeonVar_list[4])
+    let purchasedQuantity = pigeonVar_list[5] as! Int64
+    let appAccountToken: String? = nilOrValue(pigeonVar_list[6])
+    let restoring = pigeonVar_list[7] as! Bool
+    let receiptData: String? = nilOrValue(pigeonVar_list[8])
+    let error: SK2ErrorMessage? = nilOrValue(pigeonVar_list[9])
 
     return SK2TransactionMessage(
       id: id,
       originalId: originalId,
       productId: productId,
       purchaseDate: purchaseDate,
+      expirationDate: expirationDate,
       purchasedQuantity: purchasedQuantity,
       appAccountToken: appAccountToken,
       restoring: restoring,
@@ -348,6 +351,7 @@ struct SK2TransactionMessage {
       originalId,
       productId,
       purchaseDate,
+      expirationDate,
       purchasedQuantity,
       appAccountToken,
       restoring,

packages/in_app_purchase/in_app_purchase_storekit/lib/src/sk2_pigeon.g.dart

@@ -300,6 +300,7 @@ class SK2TransactionMessage {
     required this.originalId,
     required this.productId,
     required this.purchaseDate,
+    this.expirationDate,
     this.purchasedQuantity = 1,
     this.appAccountToken,
     this.restoring = false,
@@ -315,6 +316,8 @@ class SK2TransactionMessage {
 
   String purchaseDate;
 
+  String? expirationDate;
+
   int purchasedQuantity;
 
   String? appAccountToken;
@@ -331,6 +334,7 @@ class SK2TransactionMessage {
       originalId,
       productId,
       purchaseDate,
+      expirationDate,
       purchasedQuantity,
       appAccountToken,
       restoring,
@@ -346,11 +350,12 @@ class SK2TransactionMessage {
       originalId: result[1]! as int,
       productId: result[2]! as String,
       purchaseDate: result[3]! as String,
-      purchasedQuantity: result[4]! as int,
-      appAccountToken: result[5] as String?,
-      restoring: result[6]! as bool,
-      receiptData: result[7] as String?,
-      error: result[8] as SK2ErrorMessage?,
+      expirationDate: result[4] as String?,
+      purchasedQuantity: result[5]! as int,
+      appAccountToken: result[6] as String?,
+      restoring: result[7]! as bool,
+      receiptData: result[8] as String?,
+      error: result[9] as SK2ErrorMessage?,
     );
   }
 }

packages/in_app_purchase/in_app_purchase_storekit/lib/src/store_kit_2_wrappers/sk2_transaction_wrapper.dart

@@ -22,6 +22,7 @@ class SK2Transaction {
       required this.originalId,
       required this.productId,
       required this.purchaseDate,
+      this.expirationDate,
       this.quantity = 1,
       required this.appAccountToken,
       this.subscriptionGroupID,
@@ -43,6 +44,9 @@ class SK2Transaction {
   /// restored product, or for a subscription purchase or renewal after a lapse.
   final String purchaseDate;
 
+  /// The date the subscription expires or renews.
+  final String? expirationDate;
+
   /// The number of consumable products purchased.
   final int quantity;
 
@@ -100,6 +104,7 @@ extension on SK2TransactionMessage {
         originalId: originalId.toString(),
         productId: productId,
         purchaseDate: purchaseDate,
+        expirationDate: expirationDate,
         appAccountToken: appAccountToken);
   }
 

packages/in_app_purchase/in_app_purchase_storekit/pigeons/sk2_pigeon.dart

@@ -141,6 +141,7 @@ class SK2TransactionMessage {
       required this.originalId,
       required this.productId,
       required this.purchaseDate,
+      this.expirationDate,
       this.purchasedQuantity = 1,
       this.appAccountToken,
       this.error,
@@ -150,6 +151,7 @@ class SK2TransactionMessage {
   final int originalId;
   final String productId;
   final String purchaseDate;
+  final String? expirationDate;
   final int purchasedQuantity;
   final String? appAccountToken;
   final bool restoring;

packages/in_app_purchase/in_app_purchase_storekit/pubspec.yaml

@@ -2,7 +2,7 @@ name: in_app_purchase_storekit
 description: An implementation for the iOS and macOS platforms of the Flutter `in_app_purchase` plugin. This uses the StoreKit Framework.
 repository: https://github.com/flutter/packages/tree/main/packages/in_app_purchase/in_app_purchase_storekit
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+in_app_purchase%22
-version: 0.3.18+5
+version: 0.3.19
 
 environment:
   sdk: ^3.3.0