chore: rename folder.

examples/InAppPurchaseManager/InAppPurchaseManager.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

examples/InAppPurchaseManager/InAppPurchaseManager.xcodeproj/xcshareddata/xcschemes/InAppPurchaseManager.xcscheme

@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1540"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES"
+      buildArchitectures = "Automatic">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "7D4C0A5F2C3ED21B0050CB10"
+               BuildableName = "InAppPurchaseManager.app"
+               BlueprintName = "InAppPurchaseManager"
+               ReferencedContainer = "container:InAppPurchaseManager.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "7D4C0A5F2C3ED21B0050CB10"
+            BuildableName = "InAppPurchaseManager.app"
+            BlueprintName = "InAppPurchaseManager"
+            ReferencedContainer = "container:InAppPurchaseManager.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <StoreKitConfigurationFileReference
+         identifier = "../../Product.storekit">
+      </StoreKitConfigurationFileReference>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "7D4C0A5F2C3ED21B0050CB10"
+            BuildableName = "InAppPurchaseManager.app"
+            BlueprintName = "InAppPurchaseManager"
+            ReferencedContainer = "container:InAppPurchaseManager.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

examples/InAppPurchaseManager/InAppPurchaseManager.xcodeproj/xcuserdata/wangchujiang.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>InAppPurchaseManager.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>7D4C0A5F2C3ED21B0050CB10</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
+</dict>
+</plist>

examples/InAppPurchaseManager/InAppPurchaseManager/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

examples/InAppPurchaseManager/InAppPurchaseManager/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,63 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

examples/InAppPurchaseManager/InAppPurchaseManager/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

examples/InAppPurchaseManager/InAppPurchaseManager/ContentView.swift

@@ -0,0 +1,28 @@
+//
+//  ContentView.swift
+//  InAppPurchaseManager
+//
+//  Created by 王楚江 on 2024/7/10.
+//
+
+import SwiftUI
+
+struct ContentView: View {
+    @EnvironmentObject private var entitlement: EntitlementManager
+    @State var showingSubscriptionView = false
+    var body: some View {
+        VStack {
+            if entitlement.hasPro == false {
+                Button("Subscription Purchase") {
+                    showingSubscriptionView.toggle()
+                }
+            } else {
+                Text("You have subscribed to purchase")
+            }
+        }
+        .padding()
+        .sheet(isPresented: $showingSubscriptionView) {
+            SubscriptionView()
+        }
+    }
+}

examples/InAppPurchaseManager/InAppPurchaseManager/InAppPurchaseManager.entitlements

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>com.apple.security.app-sandbox</key>
+    <true/>
+    <key>com.apple.security.files.user-selected.read-only</key>
+    <true/>
+</dict>
+</plist>

examples/InAppPurchaseManager/InAppPurchaseManager/InAppPurchaseManagerApp.swift

@@ -0,0 +1,27 @@
+//
+//  InAppPurchaseManagerApp.swift
+//  InAppPurchaseManager
+//
+//  Created by 王楚江 on 2024/7/10.
+//
+
+import SwiftUI
+
+@main
+struct InAppPurchaseManagerApp: App {
+    @StateObject private var entitlementManager: EntitlementManager
+    @StateObject private var subscriptionsManager: SubscriptionsManager
+    init() {
+        let entitlement = EntitlementManager()
+        let subscriptions = SubscriptionsManager(entitlementManager: entitlement)
+        self._entitlementManager = StateObject(wrappedValue: entitlement)
+        self._subscriptionsManager = StateObject(wrappedValue: subscriptions)
+    }
+    var body: some Scene {
+        WindowGroup {
+            ContentView()
+                .environmentObject(entitlementManager)
+                .environmentObject(subscriptionsManager)
+        }
+    }
+}

examples/InAppPurchaseManager/InAppPurchaseManager/Preview Content/Preview Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

examples/InAppPurchaseManager/InAppPurchaseManager/SubscriptionView.swift

@@ -0,0 +1,61 @@
+//
+//  SubscriptionView.swift
+//  InAppPurchaseManager
+//
+//  Created by 王楚江 on 2024/7/10.
+//
+
+import SwiftUI
+import StoreKit
+
+struct SubscriptionView: View {
+    @Environment(\.dismiss) var dismiss
+    @EnvironmentObject private var subscriptions: SubscriptionsManager
+    @State private var message: String = ""
+    let privacyPolicy = URL(string: "https://wangchujiang.com/copybook-generator/privacy-policy.html")!
+    let termsOfService = URL(string: "https://wangchujiang.com/copybook-generator/terms-of-service.html")!
+    var body: some View {
+        if !subscriptions.products.isEmpty {
+            VStack {
+                SubscriptionStoreView(productIDs: subscriptions.productIDs)
+                    .storeButton(.visible, for: .policies)
+                    .subscriptionStorePolicyDestination(url: privacyPolicy, for: .privacyPolicy)
+                    .subscriptionStorePolicyDestination(url: termsOfService, for: .termsOfService)
+                    .onInAppPurchaseCompletion(perform: { product, result in
+                        if case .success(.success(let transaction)) = result {
+                            print("Purchased successfully: \(transaction.signedDate)")
+                            await subscriptions.updatePurchasedProducts()
+                            dismiss()
+                        } else {
+                            print("Something else happened")
+                        }
+                    })
+                Button(action: {
+                    Task {
+                        await subscriptions.restorePurchases()
+                        dismiss()
+                    }
+                }, label: {
+                    Text("Restore Subscription")
+                })
+                #if os(macOS)
+                .buttonStyle(.link)
+                #endif
+                .offset(y: -22)
+            }
+            .background(.background)
+            .frame(minWidth: 320, minHeight: 580)
+            .frame(maxWidth: 450)
+        } else {
+            VStack {
+                if message.isEmpty {
+                    ProgressView().progressViewStyle(.circular).scaleEffect(1).ignoresSafeArea(.all)
+                } else {
+                    Text(message).foregroundStyle(.red)
+                }
+            }
+            .padding(.horizontal)
+            .frame(minWidth: 230, minHeight: 120)
+        }
+    }
+}