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feat: add example app with enhanced StoreServicePreview (#1)
- Add ExampleApp executable target for iOS and macOS - Enhance StoreServicePreview with configurable mock data - Add MockProductData struct for flexible test data - Add withDefaultMockData() factory for realistic previews - Update DeveloperSupportStoreView previews to use mock data - Fix card width constraint for better layout
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Lines changed: 320 additions & 10 deletions

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‎.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata‎

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‎Package.swift‎

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@@ -24,6 +24,15 @@ let package = Package(
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dependencies: ["StoreHelper"],
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resources: [
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.process("Resources"),
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],
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),
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.executableTarget(
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name: "ExampleApp",
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dependencies: ["DeveloperSupportStore"],
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linkerSettings: [
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.linkedFramework("AppKit", .when(platforms: [.macOS])),
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.linkedFramework("UIKit", .when(platforms: [.iOS])),
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.linkedFramework("SwiftUI"),
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]
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),
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.testTarget(

‎Sources/DeveloperSupportStore/Services/StoreService.swift‎

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@@ -91,31 +91,141 @@ public final class StoreService: StoreServiceProtocol {
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// MARK: - Preview Service
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/// Mock product data for previews and testing.
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public struct MockProductData: Sendable {
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/// The product identifier.
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public let productId: String
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/// The display name.
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public let name: String
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/// The product description.
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public let description: String
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/// The formatted price string.
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public let price: String
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/// Creates mock product data.
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public init(productId: String, name: String, description: String, price: String) {
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self.productId = productId
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self.name = name
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self.description = description
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self.price = price
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}
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}
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/// A preview implementation of `StoreServiceProtocol` for SwiftUI previews and testing.
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@MainActor
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public final class StoreServicePreview: StoreServiceProtocol {
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public var hasActiveSubscription: Bool
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/// Creates a preview store service.
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private let mockProducts: [String: MockProductData]
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private let purchaseResult: StorePurchaseResult
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private let syncDelay: Duration
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/// Creates a preview store service with configurable mock data.
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///
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/// - Parameter hasActiveSubscription: Whether to simulate an active subscription.
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public init(hasActiveSubscription: Bool = false) {
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/// - Parameters:
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/// - hasActiveSubscription: Whether to simulate an active subscription.
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/// - mockProducts: Array of mock product data to use.
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/// - purchaseResult: The result to return from purchase attempts.
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/// - syncDelay: Artificial delay for sync operations (simulates network).
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public init(
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hasActiveSubscription: Bool = false,
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mockProducts: [MockProductData] = [],
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purchaseResult: StorePurchaseResult = .success(productId: "mock.product"),
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syncDelay: Duration = .zero
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) {
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self.hasActiveSubscription = hasActiveSubscription
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self.mockProducts = Dictionary(uniqueKeysWithValues: mockProducts.map { ($0.productId, $0) })
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self.purchaseResult = purchaseResult
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self.syncDelay = syncDelay
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}
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public func syncStoreData() async throws {
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// No-op for preview
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if syncDelay > .zero {
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try await Task.sleep(for: syncDelay)
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}
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}
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110148
public func purchase(_ productId: String) async throws -> StorePurchaseResult {
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.success(productId: productId)
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if syncDelay > .zero {
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try await Task.sleep(for: syncDelay)
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}
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switch purchaseResult {
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case .success:
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return .success(productId: productId)
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default:
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return purchaseResult
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}
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}
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114-
public func info(for _: String) throws -> StoreProductInfo {
115-
StoreProductInfo(
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public func info(for productId: String) throws -> StoreProductInfo {
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if let mockProduct = mockProducts[productId] {
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return StoreProductInfo(
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name: mockProduct.name,
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description: mockProduct.description,
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price: mockProduct.price
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)
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}
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return StoreProductInfo(
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name: "Preview Product",
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description: "This is a preview product description.",
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price: "$0.99"
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)
120175
}
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}
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// MARK: - Default Mock Data
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extension StoreServicePreview {
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/// Creates a preview service with realistic mock data for a tip jar / subscription store.
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///
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/// - Parameters:
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/// - subscriptionIds: The subscription product IDs to mock.
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/// - inAppPurchaseIds: The one-time purchase product IDs to mock.
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/// - hasActiveSubscription: Whether to simulate an active subscription.
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/// - Returns: A configured preview service.
188+
public static func withDefaultMockData(
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subscriptionIds: [String] = ["com.example.subscription.monthly"],
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inAppPurchaseIds: [String] = ["com.example.tip.small", "com.example.tip.large"],
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hasActiveSubscription: Bool = false
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) -> StoreServicePreview {
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var mockProducts: [MockProductData] = []
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// Add subscription mocks
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for (index, subscriptionId) in subscriptionIds.enumerated() {
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let tier = index == 0 ? "Monthly" : "Yearly"
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let price = index == 0 ? "$2.99" : "$24.99"
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mockProducts.append(MockProductData(
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productId: subscriptionId,
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name: "\(tier) Support",
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description: "Support ongoing development with a \(tier.lowercased()) contribution.",
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price: price
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))
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}
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// Add one-time purchase mocks
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let tipNames = ["Small Tip", "Large Tip", "Generous Tip"]
209+
let tipDescriptions = [
210+
"A small token of appreciation.",
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"A generous contribution to development.",
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"An amazing show of support!"
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]
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let tipPrices = ["$0.99", "$4.99", "$9.99"]
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216+
for (index, purchaseId) in inAppPurchaseIds.enumerated() {
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let safeIndex = min(index, tipNames.count - 1)
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mockProducts.append(MockProductData(
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productId: purchaseId,
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name: tipNames[safeIndex],
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description: tipDescriptions[safeIndex],
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price: tipPrices[safeIndex]
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))
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}
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return StoreServicePreview(
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hasActiveSubscription: hasActiveSubscription,
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mockProducts: mockProducts
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)
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}
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}

‎Sources/DeveloperSupportStore/Views/DeveloperSupportStoreView.swift‎

Lines changed: 26 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -271,7 +271,7 @@ public struct DeveloperSupportStoreView: View {
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.foregroundStyle(colors.primaryText)
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}
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.padding(layout.paddingDefault)
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.frame(maxWidth: .infinity, minHeight: 180)
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.frame(maxWidth: 220, minHeight: 180)
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.background(
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RoundedRectangle(cornerRadius: layout.radiusDefault)
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.fill(colors.secondaryBackground)
@@ -368,9 +368,32 @@ private struct PreviewConfiguration: StoreConfigurationProtocol {
368368
}
369369

370370
#Preview("DeveloperSupportStoreView") {
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let config = PreviewConfiguration()
372+
let previewService = StoreServicePreview.withDefaultMockData(
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subscriptionIds: config.subscriptionIds,
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inAppPurchaseIds: config.inAppPurchaseIds
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)
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377+
DeveloperSupportStoreView(
378+
configuration: config,
379+
storeService: previewService,
380+
onPurchaseSuccess: { _ in },
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onDismiss: {}
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)
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.frame(width: 400, height: 500)
384+
}
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386+
#Preview("DeveloperSupportStoreView - With Subscription") {
387+
let config = PreviewConfiguration()
388+
let previewService = StoreServicePreview.withDefaultMockData(
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subscriptionIds: config.subscriptionIds,
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inAppPurchaseIds: config.inAppPurchaseIds,
391+
hasActiveSubscription: true
392+
)
393+
371394
DeveloperSupportStoreView(
372-
configuration: PreviewConfiguration(),
373-
storeService: StoreServicePreview(),
395+
configuration: config,
396+
storeService: previewService,
374397
onPurchaseSuccess: { _ in },
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onDismiss: {}
376399
)

‎Sources/ExampleApp/ExampleApp.swift‎

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@@ -0,0 +1,161 @@
1+
//
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// ExampleApp.swift
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//
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// Example app demonstrating DeveloperSupportStore on iOS and macOS.
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// Copyright © 2025 IGR Soft. All rights reserved.
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//
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8+
import DeveloperSupportStore
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import SwiftUI
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// MARK: - Example Configuration
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13+
/// Example store configuration with sample product IDs.
14+
struct ExampleStoreConfiguration: StoreConfigurationProtocol {
15+
var subscriptionIds: [String] {
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["com.example.subscription.monthly"]
17+
}
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19+
var inAppPurchaseIds: [String] {
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["com.example.tip.small", "com.example.tip.large"]
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}
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var privacyPolicyURL: URL {
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URL(string: "https://example.com/privacy")!
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}
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var termsOfUseURL: URL {
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URL(string: "https://example.com/terms")!
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}
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}
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32+
// MARK: - App Entry Point
33+
#if os(macOS)
34+
import AppKit
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36+
final class AppDelegate: NSObject, NSApplicationDelegate {
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func applicationDidFinishLaunching(_ notification: Notification) {
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NSApp.setActivationPolicy(.regular)
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NSApp.activate(ignoringOtherApps: true)
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}
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}
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#else
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import UIKit
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final class AppDelegate: NSObject, UIApplicationDelegate {
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func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
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return true
48+
}
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}
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#endif
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52+
@main
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struct ExampleApp: App {
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#if os(macOS)
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@NSApplicationDelegateAdaptor(AppDelegate.self) private var appDelegate
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#else
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@UIApplicationDelegateAdaptor(AppDelegate.self) private var appDelegate
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#endif
59+
60+
@State private var isStorePresented = false
61+
62+
var body: some Scene {
63+
WindowGroup {
64+
ContentView(isStorePresented: $isStorePresented)
65+
}
66+
#if os(macOS)
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.windowStyle(.hiddenTitleBar)
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.windowResizability(.contentSize)
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#endif
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}
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}
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73+
// MARK: - Content View
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75+
struct ContentView: View {
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@Binding var isStorePresented: Bool
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78+
private let configuration = ExampleStoreConfiguration()
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private var previewService: StoreServicePreview {
80+
.withDefaultMockData(
81+
subscriptionIds: configuration.subscriptionIds,
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inAppPurchaseIds: configuration.inAppPurchaseIds
83+
)
84+
}
85+
86+
var body: some View {
87+
launcherView
88+
.sheet(isPresented: $isStorePresented) {
89+
DeveloperSupportStoreView(
90+
configuration: configuration,
91+
storeService: previewService,
92+
onPurchaseSuccess: { productId in
93+
print("✅ Purchase successful: \(productId)")
94+
},
95+
onDismiss: {
96+
isStorePresented = false
97+
}
98+
)
99+
}
100+
#if os(iOS)
101+
.frame(maxWidth: .infinity, maxHeight: .infinity)
102+
#else
103+
.frame(width: 420, height: 580)
104+
#endif
105+
}
106+
107+
@ViewBuilder
108+
private var storeView: some View {
109+
DeveloperSupportStoreView(
110+
configuration: configuration,
111+
storeService: previewService,
112+
onPurchaseSuccess: { productId in
113+
print("✅ Purchase successful: \(productId)")
114+
},
115+
onDismiss: {
116+
isStorePresented = false
117+
}
118+
)
119+
}
120+
121+
@ViewBuilder
122+
private var launcherView: some View {
123+
VStack(spacing: 24) {
124+
Image(systemName: "heart.fill")
125+
.font(.system(size: 64))
126+
.foregroundStyle(.pink)
127+
128+
Text("DeveloperSupportStore")
129+
.font(.title)
130+
.fontWeight(.bold)
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132+
Text("Example App")
133+
.font(.headline)
134+
.foregroundStyle(.secondary)
135+
136+
Button {
137+
isStorePresented = true
138+
} label: {
139+
Label("Open Store", systemImage: "storefront")
140+
.font(.headline)
141+
.padding(.horizontal, 24)
142+
.padding(.vertical, 12)
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}
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.buttonStyle(.borderedProminent)
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.tint(.pink)
146+
}
147+
.padding(40)
148+
}
149+
}
150+
151+
// MARK: - Previews
152+
153+
#Preview("Example App - Launcher") {
154+
ContentView(isStorePresented: .constant(false))
155+
.frame(width: 420, height: 580)
156+
}
157+
158+
#Preview("Example App - Store") {
159+
ContentView(isStorePresented: .constant(true))
160+
.frame(width: 420, height: 580)
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}

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