RequestReviewSwiftUI.swift

RequestReviewSwiftUI.swift

import SwiftUI
import StoreKit

struct ContentView: View {
    @State private var counter: Int = 0

    var body: some View {
        VStack(spacing: 20) {
            Text("Hello, World!")
                .font(.largeTitle)

            Text("Counter: \(counter)")
                .font(.title)

            HStack(spacing: 40) {
                Button(action: {
                    counter -= 1
                    requestAppStoreReview()
                }) {
                    Text("−")
                        .font(.largeTitle)
                        .frame(width: 60, height: 60)
                        .background(Color.red.opacity(0.2))
                        .clipShape(Circle())
                }

                Button(action: {
                    counter += 1                    
                }) {
                    Text("+")
                        .font(.largeTitle)
                        .frame(width: 60, height: 60)
                        .background(Color.green.opacity(0.2))
                        .clipShape(Circle())
                }
            }
        }
        .padding()
        .setRequestReviewSdk()
    }

    // MARK: - Helper Methods
    private func requestAppStoreReview() {
        RequestReviewHelper.shared.triggerReview()
    }
}


// MARK: - Helper for RequestReview
class RequestReviewHelper: ObservableObject {
    static let shared = RequestReviewHelper()
    private var reviewAction: (() -> Void)?
    
    func setReviewAction(_ action: @escaping () -> Void) {
        self.reviewAction = action
    }
    
    func triggerReview() {
        reviewAction?()
    }
}

// MARK: - View Modifier for RequestReview Environment
@available(iOS 16.0, *)
struct RequestReviewEnvironmentModifier: ViewModifier {
    @Environment(\.requestReview) private var requestReview
    
    func body(content: Content) -> some View {
        content
            .onAppear {
                RequestReviewHelper.shared.setReviewAction {
                    requestReview()
                }
            }
    }
}

struct RequestReviewEarlierModifier: ViewModifier {
    func body(content: Content) -> some View {
        content
            .onAppear {
                RequestReviewHelper.shared.setReviewAction {
                    SKStoreReviewController.requestReview()
                }
            }
    }
}

extension View {
    func setRequestReviewSdk() -> some View {
        if #available(iOS 16.0, *) {
            return AnyView(modifier(RequestReviewEnvironmentModifier()))
        } else {
            return AnyView(modifier(RequestReviewEarlierModifier()))
        }
    }
}