ren6

{
  "latest_receipt": "long_base64_receipt_here...",
  "latest_receipt_info": {
    "original_purchase_date_pst": "2020-04-01 01:12:42 America/Los_Angeles",
    "quantity": "1",
    "subscription_group_identifier": "20537620",
    "unique_vendor_identifier": "A779C77C-571E-477D-B184-474DBD2F3F5C",
    "original_purchase_date_ms": "1585728762000",
    "expires_date_formatted": "2020-04-01 08:17:41 Etc/GMT",
    "is_in_intro_offer_period": "true",

ren6

{
	"status": 0,
	"environment": "Sandbox",
	"receipt": {
		"receipt_type": "ProductionSandbox",
		"adam_id": 0,
		"app_item_id": 0,
		"bundle_id": "com.apphud.subscriptionstest",
		"application_version": "1",
		"download_id": 0,

ren6

func isEligibleForIntroductory(callback: @escaping (Bool) -> Void){
        
        guard let receiptUrl = Bundle.main.appStoreReceiptURL else {
            callback(true)
            return
        }
        
        #if DEBUG
            let urlString = "https://sandbox.itunes.apple.com/verifyReceipt"
        #else 

ren6

//
//  IAPManager.swift
//  http://apphud.com
//
//  Created by Apphud on 04/01/2019.
//  Copyright © 2019 Apphud. All rights reserved.
//

import UIKit
import StoreKit

ren6

func expirationDateFor(_ identifier : String) -> Date?{
        return UserDefaults.standard.object(forKey: identifier) as? Date
    }
    
let subscriptionDate = IAPManager.shared.expirationDateFor("YOUR_PRODUCT_ID") ?? Date()
let isActive = subscriptionDate > Date()

ren6

func purchaseProduct(product : SKProduct, success: @escaping SuccessBlock, failure: @escaping FailureBlock){
        guard SKPaymentQueue.canMakePayments() else {
            return
        }
        guard SKPaymentQueue.default().transactions.last?.transactionState != .purchasing else {
            return
        }
        
        self.successBlock = success
        self.failureBlock = failure

ren6

// Starts products loading and sets transaction observer delegate
    @objc func startWith(arrayOfIds : Set<String>!, sharedSecret : String){
        SKPaymentQueue.default().add(self)
        self.sharedSecret = sharedSecret
        self.productIds = arrayOfIds
        loadProducts()
    }
    
    private func loadProducts(){
        let request = SKProductsRequest.init(productIdentifiers: productIds)

ren6

private func parseReceipt(_ json : Dictionary<String, Any>) {
        // It's the most simple way to get latest expiration date. Consider this code as for learning purposes. Do not use current code in production apps.
        guard let receipts_array = json["latest_receipt_info"] as? [Dictionary<String, Any>] else {
            self.refreshSubscriptionFailureBlock?(nil)
            self.cleanUpRefeshReceiptBlocks()
            return
        }
        for receipt in receipts_array {
            let productID = receipt["product_id"] as! String 
            let formatter = DateFormatter()

ren6

private func refreshReceipt(){
    let request = SKReceiptRefreshRequest(receiptProperties: nil)
    request.delegate = self
    request.start()
}

func requestDidFinish(_ request: SKRequest) {
  // call refresh subscriptions method again with same blocks
    if request is SKReceiptRefreshRequest {
        refreshSubscriptionsStatus(callback: self.successBlock ?? {}, failure: self.failureBlock ?? {_ in})

ren6

func refreshSubscriptionsStatus(callback : @escaping SuccessBlock, failure : @escaping FailureBlock){
        // save blocks for further use
        self.refreshSubscriptionSuccessBlock = callback
        self.refreshSubscriptionFailureBlock = failure
        guard let receiptUrl = Bundle.main.appStoreReceiptURL else {
                refreshReceipt()
                // do not call block yet
                return
        }
        #if DEBUG