mirror of
https://github.com/passepartoutvpn/passepartout-apple.git
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a0da930d98
Carefully drop the StoreKit and Kvitto dependencies for ProductManager to be testable. Rebuild test target completely to start writing meaningful tests in general.
293 lines
7.9 KiB
Swift
293 lines
7.9 KiB
Swift
//
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// PaywallView+Purchase.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 3/12/22.
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// Copyright (c) 2023 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 PassepartoutLibrary
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import SwiftUI
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extension PaywallView {
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struct PurchaseView: View {
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fileprivate enum PurchaseState {
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case purchasing(InAppProduct)
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case restoring
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}
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@Environment(\.scenePhase) private var scenePhase
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@ObservedObject private var productManager: ProductManager
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@Binding private var isPresented: Bool
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private let feature: LocalProduct?
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@State private var purchaseState: PurchaseState?
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init(isPresented: Binding<Bool>, feature: LocalProduct? = nil) {
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productManager = .shared
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_isPresented = isPresented
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self.feature = feature
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}
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var body: some View {
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List {
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productsSection
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.disabled(purchaseState != nil)
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}.navigationTitle(Unlocalized.appName)
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// reloading
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.onAppear {
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productManager.refreshProducts()
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}.onChange(of: scenePhase) { newValue in
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if newValue == .active {
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productManager.refreshProducts()
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}
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}.themeAnimation(on: productManager.isRefreshingProducts)
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}
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}
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}
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private struct PurchaseRow: View {
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var product: InAppProduct?
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let title: String
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let extra: String?
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let action: () -> Void
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let purchaseState: PaywallView.PurchaseView.PurchaseState?
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var body: some View {
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VStack(alignment: .leading) {
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actionButton
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.padding(.bottom, 5)
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extra.map {
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Text($0)
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.frame(maxHeight: .infinity)
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}
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}.padding([.top, .bottom])
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}
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}
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private typealias RowModel = (product: InAppProduct, extra: String?)
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// MARK: -
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private extension PaywallView.PurchaseView {
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var productsSection: some View {
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Section {
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if !productManager.isRefreshingProducts {
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ForEach(productRowModels, id: \.product.productIdentifier, content: productRow)
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} else {
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ProgressView()
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}
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restoreRow
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} header: {
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Text(L10n.Paywall.title)
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} footer: {
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Text(L10n.Paywall.Sections.Products.footer)
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}
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}
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func productRow(_ model: RowModel) -> some View {
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PurchaseRow(
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product: model.product,
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title: model.product.localizedTitle,
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extra: model.extra,
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action: {
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purchaseProduct(model.product)
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},
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purchaseState: purchaseState
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)
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}
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var restoreRow: some View {
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PurchaseRow(
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title: L10n.Paywall.Items.Restore.title,
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extra: L10n.Paywall.Items.Restore.description,
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action: restorePurchases,
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purchaseState: purchaseState
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)
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}
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}
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private extension PaywallView.PurchaseView {
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var skFeature: InAppProduct? {
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guard let feature = feature else {
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return nil
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}
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return productManager.product(withIdentifier: feature)
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}
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var skPlatformVersion: InAppProduct? {
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#if targetEnvironment(macCatalyst)
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productManager.product(withIdentifier: .fullVersion_macOS)
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#else
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productManager.product(withIdentifier: .fullVersion_iOS)
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#endif
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}
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// hide full version if already bought the other platform version
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var skFullVersion: InAppProduct? {
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#if targetEnvironment(macCatalyst)
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guard !productManager.hasPurchased(.fullVersion_iOS) else {
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return nil
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}
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#else
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guard !productManager.hasPurchased(.fullVersion_macOS) else {
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return nil
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}
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#endif
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return productManager.product(withIdentifier: .fullVersion)
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}
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var platformVersionExtra: [String] {
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productManager.featureProducts(excluding: [
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.fullVersion,
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.fullVersion_iOS,
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.fullVersion_macOS
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]).map {
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$0.localizedTitle
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}.sorted {
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$0.lowercased() < $1.lowercased()
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}
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}
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var fullVersionExtra: [String] {
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productManager.featureProducts(including: [
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.fullVersion_iOS,
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.fullVersion_macOS
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]).map {
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$0.localizedTitle
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}.sorted {
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$0.lowercased() < $1.lowercased()
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}
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}
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var productRowModels: [RowModel] {
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var models: [RowModel] = []
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skPlatformVersion.map {
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let extra = platformVersionExtra.joined(separator: "\n")
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models.append(($0, extra))
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}
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skFullVersion.map {
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let extra = fullVersionExtra.joined(separator: "\n")
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models.append(($0, extra))
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}
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skFeature.map {
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models.append(($0, nil))
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}
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return models
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}
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}
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private extension PurchaseRow {
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@ViewBuilder
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var actionButton: some View {
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if let product {
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purchaseButton(product)
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} else {
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restoreButton
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}
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}
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func purchaseButton(_ product: InAppProduct) -> some View {
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HStack {
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Button(title, action: action)
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Spacer()
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if case .purchasing(let pending) = purchaseState, pending.productIdentifier == product.productIdentifier {
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ProgressView()
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} else {
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product.localizedPrice.map {
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Text($0)
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.themeSecondaryTextStyle()
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}
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}
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}
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}
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var restoreButton: some View {
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HStack {
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Button(title, action: action)
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Spacer()
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if case .restoring = purchaseState {
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ProgressView()
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}
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}
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}
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}
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// MARK: -
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private extension PaywallView.PurchaseView {
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func purchaseProduct(_ product: InAppProduct) {
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purchaseState = .purchasing(product)
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productManager.purchase(product) {
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switch $0 {
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case .success(let result):
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switch result {
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case .done:
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isPresented = false
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case .cancelled:
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break
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}
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purchaseState = nil
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case .failure(let error):
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pp_log.error("Unable to purchase: \(error)")
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ErrorHandler.shared.handle(
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title: product.localizedTitle,
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message: AppError(error).localizedDescription
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) {
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purchaseState = nil
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}
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}
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}
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}
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func restorePurchases() {
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purchaseState = .restoring
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productManager.restorePurchases {
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if let error = $0 {
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pp_log.error("Unable to restore purchases: \(error)")
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ErrorHandler.shared.handle(
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title: L10n.Paywall.Items.Restore.title,
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message: AppError(error).localizedDescription
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) {
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purchaseState = nil
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}
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return
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}
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isPresented = false
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purchaseState = nil
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}
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}
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}
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