SSK Doesn't check for cancelled_date on Auto-Renewable Subscription

[JB288]

Platform

• iOS
• macOS
• tvOS

In app purchase type

• Consumable
• Non-consumable
• Auto-Renewable Subscription
• Non-Renewing Subscription

Environment

• Sandbox
• Production

Version

0.8.3

Related issues

maybe #106

Report

Issue summary

SwiftyStoreKit seems to ignore/not check for cancellation_date on auto-renewable subscription

What did you expect to happen

To find somewhere in InAppReceipt.swift that it would check for cancellation_date

What happened instead

Didn't find where it checked for cancellation date

Suggestion

Apple's docs say: Treat a canceled receipt the same as if no purchase had ever been made.
In InAppReceipt.filterReceiptsInfo, under

let product_id = receipt["product_id"] as? String

add something like

if (receipt["cancellation_date"] as? String) != nil{
    return false
}
else{
    return product_id == productId
}

Reasoning: It will filter out the cancelled products from the ReceiptInfo array before verifySubscription starts checking for expiration dates, thereby behaving as if a cancelled product was never purchased. However, I have no way of testing because it appears there is no method of cancelling subscriptions in the sandbox.

[JB288]

Thanks!