141 lines
4.2 KiB
Swift
141 lines
4.2 KiB
Swift
//
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// ProductManager.swift
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// Passepartout-iOS
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//
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// Created by Davide De Rosa on 4/6/19.
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// Copyright (c) 2019 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of Passepartout.
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//
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// Passepartout is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Passepartout is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import Foundation
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import StoreKit
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import Convenience
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import SwiftyBeaver
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import Kvitto
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import PassepartoutCore
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private let log = SwiftyBeaver.self
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class ProductManager: NSObject {
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private static let lastFullVersionNumber = "1.8.1"
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private static let lastFullVersionBuild = "2016"
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static let shared = ProductManager()
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private let inApp: InApp<Product>
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private var purchasedAppVersion: String?
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private var purchasedFeatures: Set<Product>
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private override init() {
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inApp = InApp()
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purchasedAppVersion = nil
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purchasedFeatures = []
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super.init()
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reloadReceipt()
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}
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func listProducts(completionHandler: (([SKProduct]) -> Void)?) {
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guard inApp.products.isEmpty else {
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completionHandler?(inApp.products)
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return
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}
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inApp.requestProducts(withIdentifiers: Product.all) { _ in
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completionHandler?(self.inApp.products)
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}
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}
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func purchase(_ product: SKProduct, completionHandler: @escaping (InAppPurchaseResult, Error?) -> Void) {
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inApp.purchase(product: product) {
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if $0 == .success {
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self.reloadReceipt()
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}
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completionHandler($0, $1)
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}
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}
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// MARK: In-app eligibility
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private func reloadReceipt() {
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guard let url = Bundle.main.appStoreReceiptURL else {
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log.warning("No App Store receipt found!")
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return
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}
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guard let receipt = Receipt(contentsOfURL: url) else {
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log.error("Could not parse App Store receipt!")
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return
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}
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purchasedAppVersion = receipt.originalAppVersion
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purchasedFeatures.removeAll()
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if let version = purchasedAppVersion {
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log.debug("Original purchased version: \(version)")
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// treat former purchases as full versions
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if version <= ProductManager.lastFullVersionNumber {
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purchasedFeatures.insert(.fullVersion)
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}
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}
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if let iapReceipts = receipt.inAppPurchaseReceipts {
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log.debug("In-app receipts:")
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iapReceipts.forEach {
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guard let pid = $0.productIdentifier, let date = $0.originalPurchaseDate else {
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return
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}
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log.debug("\t\(pid) [\(date)]")
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}
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for r in iapReceipts {
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guard let pid = r.productIdentifier, let product = Product(rawValue: pid) else {
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continue
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}
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purchasedFeatures.insert(product)
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}
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}
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log.info("Purchased features: \(purchasedFeatures)")
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}
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func isFullVersion() -> Bool {
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guard !AppConstants.Flags.isBeta else {
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return true
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}
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return purchasedFeatures.contains(.fullVersion)
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}
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func isEligible(forFeature feature: Product) -> Bool {
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guard !isFullVersion() else {
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return true
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}
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return purchasedFeatures.contains(feature)
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}
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func isEligible(forProvider name: Infrastructure.Name) -> Bool {
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guard !isFullVersion() else {
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return true
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}
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return purchasedFeatures.contains {
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return $0.rawValue.hasSuffix("providers.\(name.rawValue)")
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}
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}
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}
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