Add the transactionDetails autoRenewing flag

Apparently used for checking if subscription is cancelled

Author: cbrevik

README.md

@@ -182,6 +182,10 @@ Testing with static responses is limited, because you are only able to test the
 
 **Important**: You can only test on a physical Android device, not from an emulator.
 
+## Handle Canceled Subscriptions
+
+Call `InAppBilling.getSubscriptionTransactionDetails(productId)` and check the `details.autoRenewing` flag. It will be set to `false` once subscription gets cancelled. Also notice, that you will need to call periodically `InAppBilling.loadOwnedPurchasesFromGoogle()` method in order to update purchase/subscription information from the Google-servers.
+
 ## Javascript API
 
 All methods returns a `Promise`.
@@ -224,6 +228,7 @@ InAppBilling.open()
   - **purchaseState:** String ("PurchasedSuccessfully", "Canceled", "Refunded", "SubscriptionExpired")
   - **receiptSignature:** String
   - **receiptData:** String
+  - **autoRenewing** Boolean
   - **developerPayload:** String
 
 ```javascript
@@ -263,6 +268,7 @@ InAppBilling.consumePurchase('your.inapp.productid').then(...);
   - **purchaseState:** String ("PurchasedSuccessfully", "Canceled", "Refunded", "SubscriptionExpired")
   - **receiptSignature:** String
   - **receiptData:** String
+  - **autoRenewing** Boolean
   - **developerPayload:** String
 
 ```javascript
@@ -303,6 +309,7 @@ InAppBilling.isSubscribed('your.inapp.productid').then(...);
   - **purchaseState:** String ("PurchasedSuccessfully", "Canceled", "Refunded", "SubscriptionExpired")
   - **receiptSignature:** String
   - **receiptData:** String
+  - **autoRenewing** Boolean
   - **developerPayload:** String
 
 ```javascript
@@ -467,6 +474,7 @@ InAppBilling.getSubscriptionDetailsArray(['your.inapp.productid', 'your.inapp.pr
   - **purchaseState:** String ("PurchasedSuccessfully", "Canceled", "Refunded", "SubscriptionExpired")
   - **receiptSignature:** String
   - **receiptData:** String
+  - **autoRenewing** Boolean
   - **developerPayload:** String
 
 ```javascript
@@ -493,6 +501,7 @@ InAppBilling.getPurchaseTransactionDetails("your.inapp.productid").then(
   - **purchaseState:** String ("PurchasedSuccessfully", "Canceled", "Refunded", "SubscriptionExpired")
   - **receiptSignature:** String
   - **receiptData:** String
+  - **autoRenewing** Boolean
   - **developerPayload:** String
 
 ```javascript

android/src/main/java/com/idehub/Billing/InAppBillingBridge.java

@@ -414,7 +414,7 @@ private WritableMap mapTransactionDetails(TransactionDetails details) {
           ? "" : purchaseData.purchaseTime.toString());
         map.putString("purchaseState", purchaseData.purchaseState == null
           ? "" : purchaseData.purchaseState.toString());
-
+        map.putBoolean("autoRenewing", purchaseData.autoRenewing);
 
         if (purchaseData.developerPayload != null)
             map.putString("developerPayload", purchaseData.developerPayload);

types/index.d.ts

@@ -15,6 +15,7 @@ export interface ITransactionDetails {
   purchaseState: PurchaseState;
   receiptSignature: string;
   receiptData: string;
+  autoRenewing: boolean;
   developerPayload: string;
 }