I have 2 subscriptions, monthly and year
first：DID_CHANGE_RENEWAL_PREF + DOWNGRADE： Customer downgrades a subscription within the same subscription group； The current subscribe is year；if i change to month；when the subscribe year was expire，Automatic renewal will change to month
second：DID_CHANGE_RENEWAL_PREF+UPGRADE： Customer upgrades a subscription within the same subscription group. The current subscribe is month；if i change to year；I need to pay for the annual subscription immediately；and The subscription immediately switches to the annual
third：DID_CHANGE_RENEWAL_PREF subtype is None Customer reverts to the previous subscription, effectively canceling their downgrade.
what this mean? This is Test Env，month is five minutes；year is one hour ①My current subscription is an annual， startTime：2024-10-02 15:04:58 ，expireTime：2024-10-02 16:04:58 ②first DOWNGRADE to month，at 2024-10-02 15:14:16 ②after 38 minutes，I change to the annual subscribe；at 2024-10-02 15:52:00 in the end，the Notification purchaseDate 2024-10-02 15:52:00；expiresDate 2024-10-02 16:52:00； So When I get NotificationType=DID_CHANGE_RENEWAL_PREF，NotificationSubType=None，Do I need to create a new subscription for the users？ Is it the latest notice of purchaseDate and expiresDate, for a year？
The appleNotification Payload as follows：
JWSTransactionDecodedPayload( originalTransactionId='2000000731045285', transactionId='2000000731088945', webOrderLineItemId='2000000076096676', bundleId='app.xxxx', productId='com.xxxx.365', subscriptionGroupIdentifier='21514251', purchaseDate=1727855520000, 2024-10-02 15:52:00 originalPurchaseDate=1727852699000, 2024-10-02 15:04:59 expiresDate=1727859120000, 2024-10-02 16:52:00 quantity=1, type=<Type.AUTO_RENEWABLE_SUBSCRIPTION: 'Auto-Renewable Subscription'>, rawType='Auto-Renewable Subscription', appAccountToken='fa37b7a2-2b0b-43cb-8fda-a1fb21168efe', inAppOwnershipType=<InAppOwnershipType.PURCHASED: 'PURCHASED'>, rawInAppOwnershipType='PURCHASED', signedDate=1727855526632, 2024-10-02 15:52:06 revocationReason=None, rawRevocationReason=None, revocationDate=None, isUpgraded=None, offerType=None, rawOfferType=None, offerIdentifier=None, environment=<Environment.SANDBOX: 'Sandbox'>, rawEnvironment='Sandbox', storefront='CAN', storefrontId='143455', transactionReason=<TransactionReason.PURCHASE: 'PURCHASE'>, rawTransactionReason='PURCHASE', currency='CAD', price=14990, offerDiscountType=None, rawOfferDiscountType=None)
JWSRenewalInfoDecodedPayload( expirationIntent=None, rawExpirationIntent=None, originalTransactionId='2000000731045285', autoRenewProductId='com.xxxx.365', productId='com.xxxx.365', autoRenewStatus=<AutoRenewStatus.ON: 1>, rawAutoRenewStatus=1, isInBillingRetryPeriod=None, priceIncreaseStatus=None, rawPriceIncreaseStatus=None, gracePeriodExpiresDate=None, offerType=None, rawOfferType=None, offerIdentifier=None, signedDate=1727855526632, 2024-10-02 15:52:06 environment=<Environment.SANDBOX: 'Sandbox'>, rawEnvironment='Sandbox', recentSubscriptionStartDate=1727852698000, 2024-10-02 15:04:58 renewalDate=1727859120000, 2024-10-02 16:52:00 currency='CAD', renewalPrice=14990, offerDiscountType=None, rawOfferDiscountType=None, eligibleWinBackOfferIds=None)