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Merge pull request #42 from Isvvc/groups-iap
Groups in-app-purchase
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| // | ||
| // StoreController.swift | ||
| // Tickmate | ||
| // | ||
| // Created by Isaac Lyons on 6/1/21. | ||
| // | ||
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| import SwiftUI | ||
| import StoreKit | ||
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| class StoreController: NSObject, ObservableObject { | ||
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| @Published private(set) var products = [SKProduct]() | ||
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| @Published private(set) var purchased = Set<String>() | ||
| @Published private(set) var purchasing = Set<String>() | ||
| @Published var restored: AlertItem? | ||
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| private var isRestoringPurchases = false | ||
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| var isAuthorizedForPayments: Bool { | ||
| SKPaymentQueue.canMakePayments() | ||
| } | ||
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| override init() { | ||
| super.init() | ||
| SKPaymentQueue.default().add(self) | ||
| } | ||
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| var priceFormatter: NumberFormatter = { | ||
| let formatter = NumberFormatter() | ||
| formatter.formatterBehavior = .behavior10_4 | ||
| formatter.numberStyle = .currency | ||
| return formatter | ||
| }() | ||
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| func fetchProducts() { | ||
| let request = SKProductsRequest(productIdentifiers: Set(Products.allValues)) | ||
| request.delegate = self | ||
| request.start() | ||
| } | ||
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| func purchase(_ product: SKProduct) { | ||
| guard isAuthorizedForPayments else { return } | ||
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| let payment = SKPayment(product: product) | ||
| SKPaymentQueue.default().add(payment) | ||
| } | ||
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| func restorePurchases() { | ||
| isRestoringPurchases = true | ||
| SKPaymentQueue.default().restoreCompletedTransactions() | ||
| } | ||
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| #if DEBUG | ||
| func removePurchased(id: String) { | ||
| purchased.remove(id) | ||
| } | ||
| #endif | ||
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| //MARK: Products | ||
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| enum Products: String, CaseIterable { | ||
| case groups = "vc.isv.Tickmate.groups" | ||
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| static var allValues: [String] { | ||
| allCases.map { $0.rawValue } | ||
| } | ||
| } | ||
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| } | ||
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| //MARK: Products Request Delegate | ||
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| extension StoreController: SKProductsRequestDelegate { | ||
| func productsRequest(_ request: SKProductsRequest, didReceive response: SKProductsResponse) { | ||
| if !response.invalidProductIdentifiers.isEmpty { | ||
| NSLog("Invalid product identifiers found: \(response.invalidProductIdentifiers)") | ||
| } | ||
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| DispatchQueue.main.async { | ||
| if let locale = response.products.first?.priceLocale { | ||
| self.priceFormatter.locale = locale | ||
| } | ||
| withAnimation { | ||
| response.products | ||
| .map { $0.productIdentifier } | ||
| .filter { UserDefaults.standard.bool(forKey: $0) } | ||
| .forEach { self.purchased.insert($0) } | ||
| self.products = response.products | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| //MARK: Payment Transaction Observer | ||
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| extension StoreController: SKPaymentTransactionObserver { | ||
| func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) { | ||
| transactions.forEach { transaction in | ||
| let productID = transaction.payment.productIdentifier | ||
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| switch transaction.transactionState { | ||
| case .purchasing: | ||
| withAnimation { | ||
| _ = purchasing.insert(productID) | ||
| } | ||
| case .purchased, .restored: | ||
| print("Purchased \(productID)!") | ||
| UserDefaults.standard.set(true, forKey: productID) | ||
| withAnimation { | ||
| purchasing.remove(productID) | ||
| purchased.insert(productID) | ||
| } | ||
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| queue.finishTransaction(transaction) | ||
| case .failed, .deferred: | ||
| purchasing.remove(productID) | ||
| if let error = transaction.error { | ||
| print("Purchase of \(productID) failed: \(error)") | ||
| } else { | ||
| print("Purchase of \(productID) failed.") | ||
| } | ||
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| queue.finishTransaction(transaction) | ||
| @unknown default: | ||
| break | ||
| } | ||
| } | ||
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| if isRestoringPurchases { | ||
| let restoredProducts = transactions | ||
| .filter { $0.transactionState == .restored } | ||
| .compactMap { transaction in products.first(where: { $0.productIdentifier == transaction.payment.productIdentifier }) } | ||
| if !restoredProducts.isEmpty { | ||
| let alertBody = restoredProducts | ||
| .map { $0.localizedTitle } | ||
| .joined(separator: ", ") | ||
| restored = AlertItem(title: "Purchases restored!", message: alertBody) | ||
| isRestoringPurchases = false | ||
| } | ||
| } | ||
| } | ||
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| func paymentQueueRestoreCompletedTransactionsFinished(_ queue: SKPaymentQueue) { | ||
| // If there were purchases that were restored, isRestoringPurchases, | ||
| // would be set to false in paymentQueue(_:, updatedTransactions:), so | ||
| // if it's still true here, that means there were no purchases to restore. | ||
| if isRestoringPurchases { | ||
| restored = AlertItem(title: "No purchases to restore") | ||
| isRestoringPurchases = false | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| { | ||
| "identifier" : "6A8C1B93", | ||
| "nonRenewingSubscriptions" : [ | ||
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| ], | ||
| "products" : [ | ||
| { | ||
| "displayPrice" : "1.99", | ||
| "familyShareable" : false, | ||
| "internalID" : "07E2B154", | ||
| "localizations" : [ | ||
| { | ||
| "description" : "Unlock track grouping feature", | ||
| "displayName" : "Groups", | ||
| "locale" : "en_US" | ||
| } | ||
| ], | ||
| "productID" : "vc.isv.Tickmate.groups", | ||
| "referenceName" : "Groups", | ||
| "type" : "NonConsumable" | ||
| } | ||
| ], | ||
| "settings" : { | ||
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| }, | ||
| "subscriptionGroups" : [ | ||
|
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| ], | ||
| "version" : { | ||
| "major" : 1, | ||
| "minor" : 1 | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // | ||
| // AlertItem.swift | ||
| // Tickmate | ||
| // | ||
| // Created by Isaac Lyons on 6/1/21. | ||
| // | ||
|
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| import SwiftUI | ||
|
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| class AlertItem: Identifiable { | ||
| var title: String | ||
| var message: String? | ||
|
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| init(title: String, message: String? = nil) { | ||
| self.title = title | ||
| self.message = message | ||
| } | ||
|
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| var alert: Alert { | ||
| if let message = message { | ||
| return Alert(title: Text(title), message: Text(message)) | ||
| } | ||
|
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| return Alert(title: Text(title)) | ||
| } | ||
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| static func alert(for alertItem: AlertItem) -> Alert { | ||
| alertItem.alert | ||
| } | ||
| } | ||
|
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| extension View { | ||
| func alert(alertItem: Binding<AlertItem?>) -> some View { | ||
| self.alert(item: alertItem) { $0.alert } | ||
| } | ||
| } |
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