feat: add AllProductsView screen for iOS

Example/Martie.xcodeproj/project.pbxproj

@@ -12,6 +12,7 @@
 		C0E1F5ED2C8F1A9500123456 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = C0E1F5EC2C8F1A9500123456 /* Assets.xcassets */; };
 		C0E1F5F02C8F1A9500123456 /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = C0E1F5EF2C8F1A9500123456 /* Preview Assets.xcassets */; };
 		C0E1F5F82C8F1AA300123456 /* HomeScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = C0E1F5F72C8F1AA300123456 /* HomeScreen.swift */; };
+		C0APV0022D20000000000001 /* AllProductsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = C0APV0012D20000000000001 /* AllProductsView.swift */; };
 		C0E1F5FA2C8F1AAB00123456 /* PurchaseFlowScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = C0E1F5F92C8F1AAB00123456 /* PurchaseFlowScreen.swift */; };
 		C0E1F5FC2C8F1AB000123456 /* SubscriptionFlowScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = C0E1F5FB2C8F1AB000123456 /* SubscriptionFlowScreen.swift */; };
 		C0E1F5FE2C8F1AB500123456 /* AvailablePurchasesScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = C0E1F5FD2C8F1AB500123456 /* AvailablePurchasesScreen.swift */; };
@@ -48,6 +49,7 @@
 		C0E1F5FB2C8F1AB000123456 /* SubscriptionFlowScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SubscriptionFlowScreen.swift; sourceTree = "<group>"; };
 		C0E1F5FD2C8F1AB500123456 /* AvailablePurchasesScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AvailablePurchasesScreen.swift; sourceTree = "<group>"; };
 		C0E1F5FF2C8F1ABA00123456 /* OfferCodeScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OfferCodeScreen.swift; sourceTree = "<group>"; };
+		C0APV0012D20000000000001 /* AllProductsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AllProductsView.swift; sourceTree = "<group>"; };
 		C0E1F6032C8F1AC500123456 /* AppColors.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppColors.swift; sourceTree = "<group>"; };
 		C0IAC0002D10000000000001 /* IapCompat.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IapCompat.swift; sourceTree = "<group>"; };
 		C0UI10012D00000000000001 /* FeatureCard.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeatureCard.swift; sourceTree = "<group>"; };
@@ -123,6 +125,7 @@
 			children = (
 				C0UI20012D00000000000001 /* uis */,
 				C0E1F5F72C8F1AA300123456 /* HomeScreen.swift */,
+				C0APV0012D20000000000001 /* AllProductsView.swift */,
 				C0E1F5F92C8F1AAB00123456 /* PurchaseFlowScreen.swift */,
 				C0E1F5FB2C8F1AB000123456 /* SubscriptionFlowScreen.swift */,
 				C0E1F5FD2C8F1AB500123456 /* AvailablePurchasesScreen.swift */,
@@ -248,6 +251,7 @@
 			files = (
 				C0E1F5EB2C8F1A9400123456 /* ContentView.swift in Sources */,
 				C0E1F5F82C8F1AA300123456 /* HomeScreen.swift in Sources */,
+				C0APV0022D20000000000001 /* AllProductsView.swift in Sources */,
 				C0E1F5FA2C8F1AAB00123456 /* PurchaseFlowScreen.swift in Sources */,
 				C0E1F5FC2C8F1AB000123456 /* SubscriptionFlowScreen.swift in Sources */,
 				C0E1F5FE2C8F1AB500123456 /* AvailablePurchasesScreen.swift in Sources */,

Example/OpenIapExample/Screens/AllProductsView.swift

@@ -0,0 +1,362 @@
+import SwiftUI
+import OpenIAP
+
+@available(iOS 15.0, *)
+struct AllProductsView: View {
+    @StateObject private var store = OpenIapStore()
+    @State private var isLoading = false
+    @State private var errorMessage: String?
+    @Environment(\.dismiss) private var dismiss
+
+    // Product IDs from other screens
+    private let allProductIds: [String] = [
+        "dev.hyo.martie.10bulbs",
+        "dev.hyo.martie.30bulbs",
+        "dev.hyo.martie.certified",
+        "dev.hyo.martie.premium",
+        "dev.hyo.martie.premium_year"
+    ]
+
+    // Enum to unify product types for display
+    private enum UnifiedProduct {
+        case regular(ProductIOS)
+        case subscription(ProductSubscriptionIOS)
+
+        var id: String {
+            switch self {
+            case .regular(let product):
+                return product.id
+            case .subscription(let sub):
+                return sub.id
+            }
+        }
+
+        var sortOrder: Int {
+            switch self {
+            case .regular(let product):
+                switch product.typeIOS {
+                case .nonConsumable:
+                    return 1  // First
+                case .consumable:
+                    return 2  // Second
+                default:
+                    return 3  // Third
+                }
+            case .subscription:
+                return 4  // Last
+            }
+        }
+    }
+
+    // All products sorted by type: non-consumable, consumable, then subscriptions
+    private var sortedAllProducts: [UnifiedProduct] {
+        let regularProducts = store.iosProducts.map { UnifiedProduct.regular($0) }
+        let subscriptionProducts = store.iosSubscriptionProducts.map { UnifiedProduct.subscription($0) }
+        let allProducts = regularProducts + subscriptionProducts
+
+        return allProducts.sorted { first, second in
+            first.sortOrder < second.sortOrder
+        }
+    }
+
+
+    var body: some View {
+        NavigationView {
+            ZStack {
+                Color(UIColor.systemGroupedBackground)
+                    .ignoresSafeArea()
+
+                ScrollView {
+                    VStack(spacing: 16) {
+                        if !store.isConnected {
+                            connectionWarningCard
+                        }
+
+                        if isLoading {
+                            loadingCard
+                        }
+
+                        if !isLoading && sortedAllProducts.isEmpty && store.isConnected {
+                            emptyStateCard
+                        }
+
+                        // Display all products sorted by type: non-consumable, consumable, then subscriptions
+                        ForEach(sortedAllProducts, id: \.id) { unifiedProduct in
+                            switch unifiedProduct {
+                            case .regular(let product):
+                                productCard(for: product)
+                            case .subscription(let subscription):
+                                subscriptionCard(for: subscription)
+                            }
+                        }
+
+                        if let error = errorMessage {
+                            errorCard(message: error)
+                        }
+                    }
+                    .padding()
+                }
+            }
+            .navigationTitle("All Products")
+            .navigationBarTitleDisplayMode(.large)
+            .toolbar {
+                ToolbarItem(placement: .navigationBarLeading) {
+                    Button(action: {
+                        Task {
+                            try? await store.endConnection()
+                        }
+                        dismiss()
+                    }) {
+                        Image(systemName: "arrow.left")
+                            .foregroundColor(.primary)
+                    }
+                }
+            }
+        }
+        .navigationViewStyle(StackNavigationViewStyle())
+        .onAppear {
+            Task {
+                await initializeStore()
+            }
+        }
+    }
+
+    private var connectionWarningCard: some View {
+        HStack {
+            Image(systemName: "exclamationmark.triangle.fill")
+                .foregroundColor(.orange)
+                .font(.title3)
+
+            VStack(alignment: .leading, spacing: 4) {
+                Text("Not Connected")
+                    .font(.headline)
+                Text("Billing service is not connected")
+                    .font(.caption)
+                    .foregroundColor(.secondary)
+            }
+
+            Spacer()
+
+            Button("Retry") {
+                Task {
+                    await initializeStore()
+                }
+            }
+            .buttonStyle(.bordered)
+            .controlSize(.small)
+        }
+        .padding()
+        .background(Color.orange.opacity(0.1))
+        .cornerRadius(12)
+    }
+
+    private var loadingCard: some View {
+        HStack {
+            ProgressView()
+                .progressViewStyle(CircularProgressViewStyle())
+
+            Text("Loading products...")
+                .font(.subheadline)
+                .foregroundColor(.secondary)
+                .padding(.leading, 8)
+        }
+        .frame(maxWidth: .infinity)
+        .padding()
+        .background(Color(UIColor.secondarySystemGroupedBackground))
+        .cornerRadius(12)
+    }
+
+    private var emptyStateCard: some View {
+        VStack(spacing: 12) {
+            Image(systemName: "bag")
+                .font(.largeTitle)
+                .foregroundColor(.secondary)
+
+            Text("No products available")
+                .font(.headline)
+                .foregroundColor(.secondary)
+        }
+        .frame(maxWidth: .infinity)
+        .padding(.vertical, 32)
+        .background(Color(UIColor.secondarySystemGroupedBackground))
+        .cornerRadius(12)
+    }
+
+    private func productCard(for product: ProductIOS) -> some View {
+        VStack(alignment: .leading, spacing: 12) {
+            HStack(alignment: .top) {
+                VStack(alignment: .leading, spacing: 4) {
+                    Text(product.displayName ?? product.displayNameIOS)
+                        .font(.headline)
+
+                    if !product.description.isEmpty {
+                        Text(product.description)
+                            .font(.caption)
+                            .foregroundColor(.secondary)
+                            .lineLimit(2)
+                    }
+                }
+
+                Spacer()
+
+                // Product type badges
+                HStack(spacing: 4) {
+                    // Main type badge
+                    Text(product.type == .subs ? "subs" : "in-app")
+                        .font(.caption)
+                        .fontWeight(.medium)
+                        .padding(.horizontal, 8)
+                        .padding(.vertical, 4)
+                        .background(product.type == .subs ? Color.blue.opacity(0.1) : Color.green.opacity(0.1))
+                        .foregroundColor(product.type == .subs ? .blue : .green)
+                        .cornerRadius(6)
+
+                    // Detailed type badge for non-subscription products
+                    if product.type != .subs {
+                        Text(getDetailedProductType(product.typeIOS))
+                            .font(.caption2)
+                            .fontWeight(.medium)
+                            .padding(.horizontal, 6)
+                            .padding(.vertical, 3)
+                            .background(getTypeColor(product.typeIOS).opacity(0.1))
+                            .foregroundColor(getTypeColor(product.typeIOS))
+                            .cornerRadius(4)
+                    }
+                }
+            }
+
+            HStack {
+                Text(product.displayPrice ?? "--")
+                    .font(.title2)
+                    .fontWeight(.bold)
+                    .foregroundColor(.blue)
+
+                Spacer()
+
+                Text("SKU: \(product.id)")
+                    .font(.caption2)
+                    .foregroundColor(.secondary)
+            }
+        }
+        .padding()
+        .background(Color(UIColor.secondarySystemGroupedBackground))
+        .cornerRadius(12)
+        .shadow(color: .black.opacity(0.05), radius: 2, x: 0, y: 1)
+    }
+
+    private func errorCard(message: String) -> some View {
+        HStack {
+            Image(systemName: "exclamationmark.circle.fill")
+                .foregroundColor(.red)
+
+            Text(message)
+                .font(.subheadline)
+                .foregroundColor(.red)
+
+            Spacer()
+        }
+        .padding()
+        .background(Color.red.opacity(0.1))
+        .cornerRadius(12)
+    }
+
+    private func initializeStore() async {
+        isLoading = true
+        errorMessage = nil
+
+        do {
+            try await store.initConnection()
+
+            if store.isConnected {
+                // Fetch all products using "all" type
+                try await store.fetchProducts(
+                    skus: allProductIds,
+                    type: .all
+                )
+            } else {
+                errorMessage = "Failed to connect to App Store"
+            }
+        } catch {
+            errorMessage = error.localizedDescription
+        }
+
+        isLoading = false
+    }
+
+    private func getDetailedProductType(_ type: ProductTypeIOS) -> String {
+        switch type {
+        case .consumable:
+            return "consumable"
+        case .nonConsumable:
+            return "non-consumable"
+        case .autoRenewableSubscription:
+            return "auto-renewable"
+        case .nonRenewingSubscription:
+            return "non-renewing"
+        }
+    }
+
+    private func getTypeColor(_ type: ProductTypeIOS) -> Color {
+        switch type {
+        case .consumable:
+            return .orange
+        case .nonConsumable:
+            return .purple
+        case .autoRenewableSubscription:
+            return .blue
+        case .nonRenewingSubscription:
+            return .indigo
+        }
+    }
+
+    private func subscriptionCard(for subscription: ProductSubscriptionIOS) -> some View {
+        VStack(alignment: .leading, spacing: 12) {
+            HStack(alignment: .top) {
+                VStack(alignment: .leading, spacing: 4) {
+                    Text(subscription.displayName ?? subscription.displayNameIOS)
+                        .font(.headline)
+
+                    if !subscription.description.isEmpty {
+                        Text(subscription.description)
+                            .font(.caption)
+                            .foregroundColor(.secondary)
+                            .lineLimit(2)
+                    }
+                }
+
+                Spacer()
+
+                // Subscription badge
+                Text("subs")
+                    .font(.caption)
+                    .fontWeight(.medium)
+                    .padding(.horizontal, 8)
+                    .padding(.vertical, 4)
+                    .background(Color.blue.opacity(0.1))
+                    .foregroundColor(.blue)
+                    .cornerRadius(6)
+            }
+
+            HStack {
+                Text(subscription.displayPrice)
+                    .font(.title2)
+                    .fontWeight(.bold)
+                    .foregroundColor(.blue)
+
+                Spacer()
+
+                Text("SKU: \(subscription.id)")
+                    .font(.caption2)
+                    .foregroundColor(.secondary)
+            }
+        }
+        .padding()
+        .background(Color(UIColor.secondarySystemGroupedBackground))
+        .cornerRadius(12)
+        .shadow(color: .black.opacity(0.05), radius: 2, x: 0, y: 1)
+    }
+}
+
+#Preview {
+    AllProductsView()
+}