├── .DS_Store
├── subscriptions.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   ├── xcshareddata
    │   │   └── IDEWorkspaceChecks.plist
    │   └── xcuserdata
    │   │   └── renat.xcuserdatad
    │   │       └── UserInterfaceState.xcuserstate
    ├── xcshareddata
    │   └── xcschemes
    │   │   └── subscriptions.xcscheme
    └── xcuserdata
    │   └── renat.xcuserdatad
    │       ├── xcdebugger
    │           └── Breakpoints_v2.xcbkptlist
    │       └── xcschemes
    │           └── xcschememanagement.plist
└── subscriptions
    ├── AppDelegate.swift
    ├── Assets.xcassets
        ├── AppIcon.appiconset
        │   └── Contents.json
        └── Contents.json
    ├── Base.lproj
        └── LaunchScreen.storyboard
    ├── Constants.swift
    ├── ContentView.swift
    ├── Extensions.swift
    ├── IAPManager.swift
    ├── Info.plist
    ├── ProductsStore.swift
    ├── PurchaseButton.swift
    ├── PurchaseView.swift
    └── SceneDelegate.swift


/.DS_Store:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/apphud/ios-swiftui-subscriptions/e6b31a961e81340ef71f20568455136c55269133/.DS_Store


--------------------------------------------------------------------------------
/subscriptions.xcodeproj/project.pbxproj:
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/subscriptions.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:subscriptions.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/subscriptions.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


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/subscriptions.xcodeproj/project.xcworkspace/xcuserdata/renat.xcuserdatad/UserInterfaceState.xcuserstate:
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https://raw.githubusercontent.com/apphud/ios-swiftui-subscriptions/e6b31a961e81340ef71f20568455136c55269133/subscriptions.xcodeproj/project.xcworkspace/xcuserdata/renat.xcuserdatad/UserInterfaceState.xcuserstate


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/subscriptions.xcodeproj/xcshareddata/xcschemes/subscriptions.xcscheme:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <Scheme
 3 |    LastUpgradeVersion = "1100"
 4 |    version = "1.3">
 5 |    <BuildAction
 6 |       parallelizeBuildables = "YES"
 7 |       buildImplicitDependencies = "YES">
 8 |       <BuildActionEntries>
 9 |          <BuildActionEntry
10 |             buildForTesting = "YES"
11 |             buildForRunning = "YES"
12 |             buildForProfiling = "YES"
13 |             buildForArchiving = "YES"
14 |             buildForAnalyzing = "YES">
15 |             <BuildableReference
16 |                BuildableIdentifier = "primary"
17 |                BlueprintIdentifier = "94671EF722B7C523002E0E14"
18 |                BuildableName = "subscriptions.app"
19 |                BlueprintName = "subscriptions"
20 |                ReferencedContainer = "container:subscriptions.xcodeproj">
21 |             </BuildableReference>
22 |          </BuildActionEntry>
23 |       </BuildActionEntries>
24 |    </BuildAction>
25 |    <TestAction
26 |       buildConfiguration = "Debug"
27 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
28 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
29 |       shouldUseLaunchSchemeArgsEnv = "YES">
30 |       <Testables>
31 |       </Testables>
32 |    </TestAction>
33 |    <LaunchAction
34 |       buildConfiguration = "Debug"
35 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
36 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
37 |       launchStyle = "0"
38 |       useCustomWorkingDirectory = "NO"
39 |       ignoresPersistentStateOnLaunch = "NO"
40 |       debugDocumentVersioning = "YES"
41 |       debugServiceExtension = "internal"
42 |       allowLocationSimulation = "YES">
43 |       <BuildableProductRunnable
44 |          runnableDebuggingMode = "0">
45 |          <BuildableReference
46 |             BuildableIdentifier = "primary"
47 |             BlueprintIdentifier = "94671EF722B7C523002E0E14"
48 |             BuildableName = "subscriptions.app"
49 |             BlueprintName = "subscriptions"
50 |             ReferencedContainer = "container:subscriptions.xcodeproj">
51 |          </BuildableReference>
52 |       </BuildableProductRunnable>
53 |    </LaunchAction>
54 |    <ProfileAction
55 |       buildConfiguration = "Release"
56 |       shouldUseLaunchSchemeArgsEnv = "YES"
57 |       savedToolIdentifier = ""
58 |       useCustomWorkingDirectory = "NO"
59 |       debugDocumentVersioning = "YES">
60 |       <BuildableProductRunnable
61 |          runnableDebuggingMode = "0">
62 |          <BuildableReference
63 |             BuildableIdentifier = "primary"
64 |             BlueprintIdentifier = "94671EF722B7C523002E0E14"
65 |             BuildableName = "subscriptions.app"
66 |             BlueprintName = "subscriptions"
67 |             ReferencedContainer = "container:subscriptions.xcodeproj">
68 |          </BuildableReference>
69 |       </BuildableProductRunnable>
70 |    </ProfileAction>
71 |    <AnalyzeAction
72 |       buildConfiguration = "Debug">
73 |    </AnalyzeAction>
74 |    <ArchiveAction
75 |       buildConfiguration = "Release"
76 |       revealArchiveInOrganizer = "YES">
77 |    </ArchiveAction>
78 | </Scheme>
79 | 


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/subscriptions.xcodeproj/xcuserdata/renat.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Bucket
3 |    uuid = "62001962-7B64-4C01-938C-FBC1C295F035"
4 |    type = "1"
5 |    version = "2.0">
6 | </Bucket>
7 | 


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/subscriptions.xcodeproj/xcuserdata/renat.xcuserdatad/xcschemes/xcschememanagement.plist:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>subscriptions.xcscheme_^#shared#^_</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | 	<key>SuppressBuildableAutocreation</key>
14 | 	<dict>
15 | 		<key>94671EF722B7C523002E0E14</key>
16 | 		<dict>
17 | 			<key>primary</key>
18 | 			<true/>
19 | 		</dict>
20 | 	</dict>
21 | </dict>
22 | </plist>
23 | 


--------------------------------------------------------------------------------
/subscriptions/AppDelegate.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.swift
 3 | //  https://apphud.com
 4 | //
 5 | //  Created by Apphud on 17/06/2019.
 6 | //  Copyright © 2019 apphud. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | @UIApplicationMain
12 | class AppDelegate: UIResponder, UIApplicationDelegate {
13 | 
14 | 
15 | 
16 |     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
17 |         // Override point for customization after application launch.
18 |         
19 |         return true
20 |     }
21 | 
22 |     func applicationWillTerminate(_ application: UIApplication) {
23 |         // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
24 |     }
25 | 
26 |     // MARK: UISceneSession Lifecycle
27 | 
28 |     func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
29 |         // Called when a new scene session is being created.
30 |         // Use this method to select a configuration to create the new scene with.
31 |         return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
32 |     }
33 | 
34 |     func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
35 |         // Called when the user discards a scene session.
36 |         // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
37 |         // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
38 |     }
39 | 
40 | 
41 | }
42 | 
43 | 


--------------------------------------------------------------------------------
/subscriptions/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "20x20",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "20x20",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "29x29",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "29x29",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "40x40",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "40x40",
31 |       "scale" : "3x"
32 |     },
33 |     {
34 |       "idiom" : "iphone",
35 |       "size" : "60x60",
36 |       "scale" : "2x"
37 |     },
38 |     {
39 |       "idiom" : "iphone",
40 |       "size" : "60x60",
41 |       "scale" : "3x"
42 |     },
43 |     {
44 |       "idiom" : "ipad",
45 |       "size" : "20x20",
46 |       "scale" : "1x"
47 |     },
48 |     {
49 |       "idiom" : "ipad",
50 |       "size" : "20x20",
51 |       "scale" : "2x"
52 |     },
53 |     {
54 |       "idiom" : "ipad",
55 |       "size" : "29x29",
56 |       "scale" : "1x"
57 |     },
58 |     {
59 |       "idiom" : "ipad",
60 |       "size" : "29x29",
61 |       "scale" : "2x"
62 |     },
63 |     {
64 |       "idiom" : "ipad",
65 |       "size" : "40x40",
66 |       "scale" : "1x"
67 |     },
68 |     {
69 |       "idiom" : "ipad",
70 |       "size" : "40x40",
71 |       "scale" : "2x"
72 |     },
73 |     {
74 |       "idiom" : "ipad",
75 |       "size" : "76x76",
76 |       "scale" : "1x"
77 |     },
78 |     {
79 |       "idiom" : "ipad",
80 |       "size" : "76x76",
81 |       "scale" : "2x"
82 |     },
83 |     {
84 |       "idiom" : "ipad",
85 |       "size" : "83.5x83.5",
86 |       "scale" : "2x"
87 |     },
88 |     {
89 |       "idiom" : "ios-marketing",
90 |       "size" : "1024x1024",
91 |       "scale" : "1x"
92 |     }
93 |   ],
94 |   "info" : {
95 |     "version" : 1,
96 |     "author" : "xcode"
97 |   }
98 | }


--------------------------------------------------------------------------------
/subscriptions/Assets.xcassets/Contents.json:
--------------------------------------------------------------------------------
1 | {
2 |   "info" : {
3 |     "version" : 1,
4 |     "author" : "xcode"
5 |   }
6 | }


--------------------------------------------------------------------------------
/subscriptions/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
 5 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
 6 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 7 |     </dependencies>
 8 |     <scenes>
 9 |         <!--View Controller-->
10 |         <scene sceneID="EHf-IW-A2E">
11 |             <objects>
12 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
13 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
14 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
15 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
16 |                         <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
17 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
18 |                     </view>
19 |                 </viewController>
20 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
21 |             </objects>
22 |             <point key="canvasLocation" x="53" y="375"/>
23 |         </scene>
24 |     </scenes>
25 | </document>
26 | 


--------------------------------------------------------------------------------
/subscriptions/Constants.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  Constants.swift
 3 | //  https://apphud.com
 4 | //
 5 | //  Created by Apphud on 22/06/2019.
 6 | //  Copyright © 2019 apphud. All rights reserved.
 7 | //
 8 | 
 9 | import Foundation
10 | 
11 | let subscription_1 = "YOUR_PRODUCT_ID"
12 | let subscription_2 = "YOUR_ANOTHER_PRODUCT_ID"
13 | let shared_secret = "YOUR_SHARED_SECRET"
14 | 
15 | let terms_text = "Premium subscription is required to get access to all wallpapers. Regardless whether the subscription has free trial period or not it automatically renews with the price and duration given above unless it is canceled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID account at the confirmation of purchase. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable."
16 | 


--------------------------------------------------------------------------------
/subscriptions/ContentView.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ContentView.swift
 3 | //  https://apphud.com
 4 | //
 5 | //  Created by Apphud on 21/06/2019.
 6 | //  Copyright © 2019 apphud. All rights reserved.
 7 | //
 8 | 
 9 | import Foundation
10 | import SwiftUI
11 | import Combine
12 | import StoreKit
13 | 
14 | struct ContentView : View {
15 | 
16 |     @ObservedObject var productsStore : ProductsStore
17 |     @State var show_modal = false
18 |     
19 |     var body: some View {
20 |           
21 |         VStack() {
22 |             ForEach (productsStore.products, id: \.self) { prod in
23 |                 Text(prod.subscriptionStatus()).lineLimit(nil).frame(height: 80)
24 |             }
25 |             Button(action: {
26 |                 print("Button Pushed")
27 |                 self.show_modal = true
28 |             }) {
29 |                 Text("Present")
30 |             }.sheet(isPresented: self.$show_modal) {
31 |                  PurchaseView()
32 |             }
33 |         }
34 |     }
35 | }
36 | 


--------------------------------------------------------------------------------
/subscriptions/Extensions.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  Extensions.swift
 3 | //  https://apphud.com
 4 | //
 5 | //  Created by Apphud on 21/06/2019.
 6 | //  Copyright © 2019 apphud. All rights reserved.
 7 | //
 8 | 
 9 | import Foundation
10 | import StoreKit
11 | 
12 | 
13 | 
14 | extension SKProduct {
15 |     
16 |     func subscriptionStatus() -> String {
17 |         if let expDate = IAPManager.shared.expirationDateFor(productIdentifier) {
18 |             let formatter = DateFormatter()
19 |             formatter.dateStyle = .medium
20 |             formatter.timeStyle = .medium
21 |             
22 |             let dateString = formatter.string(from: expDate)
23 |             
24 |             if Date() > expDate {
25 |                 return "Subscription expired: \(localizedTitle) at: \(dateString)"
26 |             } else {
27 |                 return "Subscription active: \(localizedTitle) until:\(dateString)"
28 |             }
29 |         } else {
30 |             return "Subscription not purchased: \(localizedTitle)"
31 |         }
32 |     }
33 |     
34 |     func localizedPrice() -> String {
35 |         let formatter = NumberFormatter()
36 |         formatter.numberStyle = .currency
37 |         formatter.locale = priceLocale
38 |         let text = formatter.string(from: price)
39 |         let period = subscriptionPeriod!.unit
40 |         var periodString = ""
41 |         switch period {
42 |         case .day:
43 |             periodString = "day"
44 |         case .month: 
45 |             periodString = "month"
46 |         case .week:
47 |             periodString = "week"
48 |         case .year:
49 |             periodString = "year"
50 |         default:
51 |             break
52 |         }
53 |         let unitCount = subscriptionPeriod!.numberOfUnits
54 |         let unitString = unitCount == 1 ? periodString : "\(unitCount) \(periodString)s"
55 |         return (text ?? "") + "\nper \(unitString)"
56 |     }
57 | }
58 | 


--------------------------------------------------------------------------------
/subscriptions/IAPManager.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | //  IAPManager.swift
  3 | //  Apphud
  4 | //
  5 | //  Created by Apphud on 04/01/2019.
  6 | //  Copyright © 2019 Apphud. All rights reserved.
  7 | //
  8 | 
  9 | import UIKit
 10 | import StoreKit
 11 | 
 12 | public typealias SuccessBlock = () -> Void
 13 | public typealias FailureBlock = (Error?) -> Void
 14 | public typealias ProductsBlock = ([SKProduct]) -> Void
 15 | 
 16 | let IAP_PRODUCTS_DID_LOAD_NOTIFICATION = Notification.Name("IAP_PRODUCTS_DID_LOAD_NOTIFICATION")
 17 | 
 18 | class IAPManager : NSObject{
 19 |     
 20 |     private var sharedSecret = ""
 21 |     @objc static let shared = IAPManager()
 22 |     @objc private(set) var products = [SKProduct]()
 23 |     
 24 |     private override init(){}
 25 |     private var productIds : Set<String> = []
 26 |     
 27 |     private var didLoadsProducts : ProductsBlock?
 28 |     
 29 |     private var successBlock : SuccessBlock?
 30 |     private var failureBlock : FailureBlock?
 31 |     
 32 |     private var refreshSubscriptionSuccessBlock : SuccessBlock?
 33 |     private var refreshSubscriptionFailureBlock : FailureBlock?
 34 |     
 35 |     // MARK:- Main methods
 36 |     
 37 |     @objc func startWith(arrayOfIds : Set<String>!, sharedSecret : String, callback : @escaping  ProductsBlock){
 38 |         SKPaymentQueue.default().add(self)
 39 |         self.didLoadsProducts = callback
 40 |         self.sharedSecret = sharedSecret
 41 |         self.productIds = arrayOfIds
 42 |         loadProducts()
 43 |     }
 44 |     
 45 |     func expirationDateFor(_ identifier : String) -> Date?{
 46 |         return UserDefaults.standard.object(forKey: identifier) as? Date
 47 |     }
 48 |     
 49 |     func isActive(product : SKProduct) -> Bool {
 50 |         if let date = expirationDateFor(product.productIdentifier), Date() < date {
 51 |             return true
 52 |         } else {
 53 |             return false
 54 |         }
 55 |     }
 56 |     
 57 |     func purchaseProduct(product : SKProduct, success: @escaping SuccessBlock, failure: @escaping FailureBlock){
 58 |         
 59 |         guard SKPaymentQueue.canMakePayments() else {
 60 |             return
 61 |         }
 62 |         guard SKPaymentQueue.default().transactions.last?.transactionState != .purchasing else {
 63 |             return
 64 |         }        
 65 |         self.successBlock = success
 66 |         self.failureBlock = failure
 67 |         let payment = SKPayment(product: product)
 68 |         SKPaymentQueue.default().add(payment)
 69 |     }
 70 |     
 71 |     func restorePurchases(success: @escaping SuccessBlock, failure: @escaping FailureBlock){
 72 |         self.successBlock = success
 73 |         self.failureBlock = failure
 74 |         SKPaymentQueue.default().restoreCompletedTransactions()
 75 |     }
 76 |     
 77 |     /* It's the most simple way to send verify receipt request. Consider this code as for learning purposes. You shouldn't use current code in production apps.
 78 |      This code doesn't handle errors.
 79 |      */
 80 |     func refreshSubscriptionsStatus(callback : @escaping SuccessBlock, failure : @escaping FailureBlock){
 81 |         
 82 |         self.refreshSubscriptionSuccessBlock = callback
 83 |         self.refreshSubscriptionFailureBlock = failure
 84 |         
 85 |         guard let receiptUrl = Bundle.main.appStoreReceiptURL else {
 86 |             refreshReceipt()
 87 |             // do not call block in this case. It will be called inside after receipt refreshing finishes.
 88 |             return
 89 |         }
 90 |         
 91 |         #if DEBUG
 92 |         let urlString = "https://sandbox.itunes.apple.com/verifyReceipt"
 93 |         #else 
 94 |         let urlString = "https://buy.itunes.apple.com/verifyReceipt"
 95 |         #endif
 96 |         let receiptData = try? Data(contentsOf: receiptUrl).base64EncodedString()
 97 |         let requestData = ["receipt-data" : receiptData ?? "", "password" : self.sharedSecret, "exclude-old-transactions" : true] as [String : Any]
 98 |         var request = URLRequest(url: URL(string: urlString)!)
 99 |         request.httpMethod = "POST"
100 |         request.setValue("Application/json", forHTTPHeaderField: "Content-Type")
101 |         let httpBody = try? JSONSerialization.data(withJSONObject: requestData, options: [])
102 |         request.httpBody = httpBody
103 |         
104 |         URLSession.shared.dataTask(with: request)  { (data, response, error) in
105 |             DispatchQueue.main.async {
106 |                 if data != nil {
107 |                     if let json = try? JSONSerialization.jsonObject(with: data!, options: .allowFragments){
108 |                         self.parseReceipt(json as! Dictionary<String, Any>)
109 |                         return
110 |                     }
111 |                 } else {
112 |                     print("error validating receipt: \(error?.localizedDescription ?? "")")
113 |                 }
114 |                 self.refreshSubscriptionFailureBlock?(error)
115 |                 self.cleanUpRefeshReceiptBlocks()                
116 |             }
117 |             }.resume()        
118 |     }
119 |     
120 |     /* It's the most simple way to get latest expiration date. Consider this code as for learning purposes. You shouldn't use current code in production apps.
121 |      This code doesn't handle errors or some situations like cancellation date.
122 |      */
123 |     private func parseReceipt(_ json : Dictionary<String, Any>) {
124 |         guard let receipts_array = json["latest_receipt_info"] as? [Dictionary<String, Any>] else {
125 |             self.refreshSubscriptionFailureBlock?(nil)
126 |             self.cleanUpRefeshReceiptBlocks()
127 |             return
128 |         }
129 |         for receipt in receipts_array {
130 |             let productID = receipt["product_id"] as! String 
131 |             let formatter = DateFormatter()
132 |             formatter.dateFormat = "yyyy-MM-dd HH:mm:ss VV"
133 |             if let date = formatter.date(from: receipt["expires_date"] as! String) {
134 |                 if date > Date() || UserDefaults.standard.object(forKey: productID) == nil{
135 |                     // do not save expired date to user defaults to avoid overwriting with expired date
136 |                     UserDefaults.standard.set(date, forKey: productID)
137 |                 }
138 |             }
139 |         }
140 |         self.refreshSubscriptionSuccessBlock?()
141 |         self.cleanUpRefeshReceiptBlocks()
142 |     }
143 |     
144 |     /*
145 |      Private method. Should not be called directly. Call refreshSubscriptionsStatus instead. 
146 |      */
147 |     private func refreshReceipt(){
148 |         let request = SKReceiptRefreshRequest(receiptProperties: nil)
149 |         request.delegate = self
150 |         request.start()
151 |     }
152 |     
153 |     private func loadProducts(){
154 |         let request = SKProductsRequest.init(productIdentifiers: productIds)
155 |         request.delegate = self
156 |         request.start()
157 |     }
158 |     
159 |     private func cleanUpRefeshReceiptBlocks(){
160 |         self.refreshSubscriptionSuccessBlock = nil
161 |         self.refreshSubscriptionFailureBlock = nil
162 |     }
163 | }
164 | 
165 | // MARK:- SKReceipt Refresh Request Delegate
166 | 
167 | extension IAPManager : SKRequestDelegate {
168 |     
169 |     func requestDidFinish(_ request: SKRequest) {
170 |         if request is SKReceiptRefreshRequest {
171 |             refreshSubscriptionsStatus(callback: self.successBlock ?? {}, failure: self.failureBlock ?? {_ in})
172 |         }
173 |     }
174 |     
175 |     func request(_ request: SKRequest, didFailWithError error: Error){
176 |         if request is SKReceiptRefreshRequest {
177 |             self.refreshSubscriptionFailureBlock?(error)
178 |             self.cleanUpRefeshReceiptBlocks()            
179 |         }
180 |         print("error: \(error.localizedDescription)")
181 |     }
182 | }
183 | 
184 | // MARK:- SKProducts Request Delegate
185 | 
186 | extension IAPManager: SKProductsRequestDelegate {
187 |     
188 |     public func productsRequest(_ request: SKProductsRequest, didReceive response: SKProductsResponse) {                
189 |         products = response.products
190 |         DispatchQueue.main.async {
191 |             NotificationCenter.default.post(name: IAP_PRODUCTS_DID_LOAD_NOTIFICATION, object: nil)
192 |             if response.products.count > 0 {
193 |                 self.didLoadsProducts?(self.products)
194 |                 self.didLoadsProducts = nil
195 |             }
196 |             
197 |         }
198 |     }
199 | }
200 | 
201 | // MARK:- SKPayment Transaction Observer
202 | 
203 | extension IAPManager: SKPaymentTransactionObserver {
204 |     
205 |     public func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
206 |         
207 |         for transaction in transactions {
208 |             switch (transaction.transactionState) {
209 |             case .purchased:
210 |                 SKPaymentQueue.default().finishTransaction(transaction)
211 |                 notifyIsPurchased(transaction: transaction)
212 |                 break
213 |             case .failed:
214 |                 SKPaymentQueue.default().finishTransaction(transaction)
215 |                 print("purchase error : \(transaction.error?.localizedDescription ?? "")")
216 |                 self.failureBlock?(transaction.error)
217 |                 cleanUp()
218 |                 break
219 |             case .restored:
220 |                 SKPaymentQueue.default().finishTransaction(transaction)
221 |                 notifyIsPurchased(transaction: transaction)
222 |                 break
223 |             case .deferred, .purchasing:
224 |                 break
225 |             default:
226 |                 break
227 |             }
228 |         }
229 |     }
230 |     
231 |     private func notifyIsPurchased(transaction: SKPaymentTransaction) {
232 |         refreshSubscriptionsStatus(callback: { 
233 |             self.successBlock?()
234 |             self.cleanUp()
235 |         }) { (error) in            
236 |             // couldn't verify receipt
237 |             self.failureBlock?(error)
238 |             self.cleanUp()
239 |         }
240 |     }
241 |     
242 |     func cleanUp(){
243 |         self.successBlock = nil
244 |         self.failureBlock = nil
245 |     }
246 | }
247 | 


--------------------------------------------------------------------------------
/subscriptions/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleVersion</key>
20 | 	<string>1</string>
21 | 	<key>LSRequiresIPhoneOS</key>
22 | 	<true/>
23 | 	<key>UIApplicationSceneManifest</key>
24 | 	<dict>
25 | 		<key>UIApplicationSupportsMultipleScenes</key>
26 | 		<false/>
27 | 		<key>UISceneConfigurations</key>
28 | 		<dict>
29 | 			<key>UIWindowSceneSessionRoleApplication</key>
30 | 			<array>
31 | 				<dict>
32 | 					<key>UILaunchStoryboardName</key>
33 | 					<string>LaunchScreen</string>
34 | 					<key>UISceneConfigurationName</key>
35 | 					<string>Default Configuration</string>
36 | 					<key>UISceneDelegateClassName</key>
37 | 					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
38 | 				</dict>
39 | 			</array>
40 | 		</dict>
41 | 	</dict>
42 | 	<key>UILaunchStoryboardName</key>
43 | 	<string>LaunchScreen</string>
44 | 	<key>UIRequiredDeviceCapabilities</key>
45 | 	<array>
46 | 		<string>armv7</string>
47 | 	</array>
48 | 	<key>UISupportedInterfaceOrientations</key>
49 | 	<array>
50 | 		<string>UIInterfaceOrientationPortrait</string>
51 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
52 | 		<string>UIInterfaceOrientationLandscapeRight</string>
53 | 	</array>
54 | 	<key>UISupportedInterfaceOrientations~ipad</key>
55 | 	<array>
56 | 		<string>UIInterfaceOrientationPortrait</string>
57 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
58 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
59 | 		<string>UIInterfaceOrientationLandscapeRight</string>
60 | 	</array>
61 | </dict>
62 | </plist>
63 | 


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/subscriptions/ProductsStore.swift:
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 1 | //
 2 | //  ProductsStore.swift
 3 | //  https://apphud.com
 4 | //
 5 | //  Created by Apphud on 22/06/2019.
 6 | //  Copyright © 2019 apphud. All rights reserved.
 7 | //
 8 | 
 9 | import Foundation
10 | import SwiftUI
11 | import Combine
12 | import StoreKit
13 | 
14 | class ProductsStore : ObservableObject {
15 |     
16 |     static let shared = ProductsStore()
17 |     
18 |     @Published var products: [SKProduct] = []
19 |     @Published var anyString = "123" // little trick to force reload ContentView from PurchaseView by just changing any Published value
20 |     
21 |     func handleUpdateStore(){
22 |         anyString = UUID().uuidString
23 |     }
24 |     
25 |     func initializeProducts(){
26 |         IAPManager.shared.startWith(arrayOfIds: [subscription_1, subscription_2], sharedSecret: shared_secret) { products in    
27 |             self.products = products   
28 |         }
29 |     }
30 | }
31 | 


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/subscriptions/PurchaseButton.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  PurchaseButton.swift
 3 | //  https://apphud.com
 4 | //
 5 | //  Created by Apphud on 21/06/2019.
 6 | //  Copyright © 2019 apphud. All rights reserved.
 7 | //
 8 | 
 9 | import Foundation
10 | import SwiftUI
11 | import StoreKit
12 | 
13 | struct PurchaseButton : View {
14 |     
15 |     var block : SuccessBlock!
16 |     var product : SKProduct!
17 |     
18 |     var body: some View {
19 |         
20 |         Button(action: { 
21 |             self.block()
22 |         }) {
23 |             Text(product.localizedPrice()).lineLimit(nil).multilineTextAlignment(.center).font(.subheadline)
24 |             }.padding().frame(height: 50).scaledToFill().border(Color.blue, width: 1)
25 |     }
26 | }
27 | 


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/subscriptions/PurchaseView.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ContentView.swift
  3 | //  https://apphud.com
  4 | //
  5 | //  Created by Apphud on 21/06/2019.
  6 | //  Copyright © 2019 apphud. All rights reserved.
  7 | //
  8 | 
  9 | import Foundation
 10 | import SwiftUI
 11 | import StoreKit
 12 | import Combine
 13 | 
 14 | struct PurchaseView : View {
 15 |     
 16 |     @State private var isDisabled : Bool = false
 17 |     
 18 |     @Environment(\.presentationMode) var presentationMode
 19 |     
 20 |     private func dismiss() {
 21 |         self.presentationMode.wrappedValue.dismiss()
 22 |     }
 23 | 
 24 |     var body: some View {
 25 |                            
 26 |         ScrollView (showsIndicators: false) {
 27 |             
 28 |             VStack {
 29 |                 Text("Get Premium Membership").font(.title)
 30 |                 Text("Choose one of the packages above").font(.subheadline)
 31 |                 
 32 |                 self.purchaseButtons()
 33 |                 self.aboutText()
 34 |                 self.helperButtons()
 35 |                 self.termsText().frame(width: UIScreen.main.bounds.size.width)
 36 |                 self.dismissButton()
 37 |                 
 38 |                 }.frame(width : UIScreen.main.bounds.size.width)
 39 |             }.disabled(self.isDisabled)    
 40 |     }
 41 | 
 42 |     // MARK:- View creations
 43 |     
 44 |     func purchaseButtons() -> some View {
 45 |         // remake to ScrollView if has more than 2 products because they won't fit on screen.
 46 |         HStack {
 47 |             Spacer()
 48 |             ForEach(ProductsStore.shared.products, id: \.self) { prod in
 49 |                 PurchaseButton(block: { 
 50 |                     self.purchaseProduct(skproduct: prod)
 51 |                 }, product: prod).disabled(IAPManager.shared.isActive(product: prod))
 52 |             }
 53 |             Spacer()
 54 |         }
 55 |     }
 56 |     
 57 |     func helperButtons() -> some View{
 58 |         HStack {
 59 |             Button(action: { 
 60 |                 self.termsTapped()
 61 |             }) {
 62 |                 Text("Terms of use").font(.footnote)
 63 |             }
 64 |             Button(action: { 
 65 |                 self.restorePurchases()
 66 |             }) {
 67 |                 Text("Restore purchases").font(.footnote)
 68 |             }
 69 |             Button(action: { 
 70 |                 self.privacyTapped()
 71 |             }) {
 72 |                 Text("Privacy policy").font(.footnote)
 73 |             }
 74 |             }.padding()
 75 |     }
 76 |     
 77 |     func aboutText() -> some View {
 78 |         Text("""
 79 |                 • Unlimited searches
 80 |                 • 100GB downloads
 81 |                 • Multiplatform service
 82 |                 """).font(.subheadline).lineLimit(nil)
 83 |     }
 84 |     
 85 |     func termsText() -> some View{
 86 |         // Set height to 600 because SwiftUI has bug that multiline text is getting cut even if linelimit is nil.
 87 |         VStack {
 88 |             Text(terms_text).font(.footnote).lineLimit(nil).padding()
 89 |             Spacer()
 90 |             }.frame(height: 350)                                        
 91 |     }
 92 |     
 93 |     func dismissButton() -> some View {
 94 |         Button(action: { 
 95 |             self.dismiss()
 96 |         }) {
 97 |             Text("Not now").font(.footnote)
 98 |             }.padding()
 99 |     }
100 |     
101 |     //MARK:- Actions
102 |     
103 |     func restorePurchases(){
104 |         
105 |         IAPManager.shared.restorePurchases(success: { 
106 |             self.isDisabled = false
107 |             ProductsStore.shared.handleUpdateStore()
108 |             self.dismiss()
109 |             
110 |         }) { (error) in
111 |             self.isDisabled = false
112 |             ProductsStore.shared.handleUpdateStore()
113 |             
114 |         }
115 |     }
116 |     
117 |     func termsTapped(){
118 |         
119 |     }
120 |     
121 |     func privacyTapped(){
122 |         
123 |     }
124 |     
125 |     func purchaseProduct(skproduct : SKProduct){
126 |         print("did tap purchase product: \(skproduct.productIdentifier)")
127 |         isDisabled = true
128 |         IAPManager.shared.purchaseProduct(product: skproduct, success: { 
129 |             self.isDisabled = false
130 |             ProductsStore.shared.handleUpdateStore()
131 |             self.dismiss()
132 |         }) { (error) in
133 |             self.isDisabled = false
134 |             ProductsStore.shared.handleUpdateStore()
135 |         }        
136 |     }
137 | }
138 | 


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/subscriptions/SceneDelegate.swift:
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 1 | //
 2 | //  SceneDelegate.swift
 3 | //  https://apphud.com
 4 | //
 5 | //  Created by Apphud on 17/06/2019.
 6 | //  Copyright © 2019 apphud. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | import SwiftUI
11 | 
12 | class SceneDelegate: UIResponder, UIWindowSceneDelegate {
13 | 
14 |     var window: UIWindow?
15 | 
16 |     func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
17 |         // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
18 |         // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
19 |         // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
20 |         ProductsStore.shared.initializeProducts()
21 |         
22 |         // Use a UIHostingController as window root view controller.
23 |         if let windowScene = scene as? UIWindowScene {
24 |             let window = UIWindow(windowScene: windowScene)
25 |             window.rootViewController = UIHostingController(rootView: ContentView(productsStore: ProductsStore.shared))
26 |             self.window = window
27 |             window.makeKeyAndVisible()
28 |         }
29 |     }
30 | 
31 |     func sceneDidDisconnect(_ scene: UIScene) {
32 |         // Called as the scene is being released by the system.
33 |         // This occurs shortly after the scene enters the background, or when its session is discarded.
34 |         // Release any resources associated with this scene that can be re-created the next time the scene connects.
35 |         // The scene may re-connect later, as its session was not neccessarily discarded (see `application:didDiscardSceneSessions` instead).
36 |     }
37 | 
38 |     func sceneDidBecomeActive(_ scene: UIScene) {
39 |         // Called when the scene has moved from an inactive state to an active state.
40 |         // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
41 |     }
42 | 
43 |     func sceneWillResignActive(_ scene: UIScene) {
44 |         // Called when the scene will move from an active state to an inactive state.
45 |         // This may occur due to temporary interruptions (ex. an incoming phone call).
46 |     }
47 | 
48 |     func sceneWillEnterForeground(_ scene: UIScene) {
49 |         // Called as the scene transitions from the background to the foreground.
50 |         // Use this method to undo the changes made on entering the background.
51 |     }
52 | 
53 |     func sceneDidEnterBackground(_ scene: UIScene) {
54 |         // Called as the scene transitions from the foreground to the background.
55 |         // Use this method to save data, release shared resources, and store enough scene-specific state information
56 |         // to restore the scene back to its current state.
57 |     }
58 | 
59 | 
60 | }
61 | 
62 | 


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