Navigation angepasst, Absprung in angetippten song.

2026-04-07 12:57:24 +02:00
parent 040917479e
commit fe3ed1e204
9 changed files with 361 additions and 4 deletions
@@ -0,0 +1,122 @@
+//
+//  ServicesMAStoreManager.swift
+//  Mobile Music Assistant
+//
+//  Created by Sven Hanold on 06.04.26.
+//
+
+import StoreKit
+
+@Observable
+@MainActor
+final class MAStoreManager {
+    
+    enum PurchaseResult: Equatable {
+        case success
+        case cancelled
+        case failed(String)
+    }
+    
+    static let productIDs: Set<String> = [
+        "donate.song",
+        "donate.album",
+        "donate.anthology"
+    ]
+    
+    var products: [Product] = []
+    var isPurchasing = false
+    var purchaseResult: PurchaseResult?
+    
+    private var transactionListener: Task<Void, Never>?
+    
+    init() {
+        transactionListener = listenForTransactions()
+    }
+    
+    // MARK: - Load Products
+    
+    func loadProducts() async {
+        guard products.isEmpty else { return }
+        do {
+            let storeProducts = try await Product.products(for: Self.productIDs)
+            products = storeProducts.sorted { $0.price < $1.price }
+        } catch {
+            print("Failed to load products: \(error)")
+        }
+    }
+    
+    // MARK: - Purchase
+    
+    func purchase(_ product: Product) async {
+        isPurchasing = true
+        purchaseResult = nil
+        
+        do {
+            let result = try await product.purchase()
+            
+            switch result {
+            case .success(let verification):
+                let transaction = try checkVerified(verification)
+                await transaction.finish()
+                isPurchasing = false
+                purchaseResult = .success
+                
+            case .userCancelled:
+                isPurchasing = false
+                purchaseResult = .cancelled
+                
+            case .pending:
+                isPurchasing = false
+                
+            @unknown default:
+                isPurchasing = false
+            }
+        } catch {
+            isPurchasing = false
+            purchaseResult = .failed(error.localizedDescription)
+        }
+    }
+    
+    // MARK: - Transaction Listener
+    
+    private func listenForTransactions() -> Task<Void, Never> {
+        Task.detached {
+            for await verificationResult in Transaction.updates {
+                if case .verified(let transaction) = verificationResult {
+                    await transaction.finish()
+                }
+            }
+        }
+    }
+    
+    // MARK: - Helpers
+    
+    private func checkVerified<T>(_ result: VerificationResult<T>) throws -> T {
+        switch result {
+        case .unverified(_, let error):
+            throw error
+        case .verified(let safe):
+            return safe
+        }
+    }
+    
+    /// Returns the SF Symbol icon name for a given product ID
+    func iconName(for productID: String) -> String {
+        switch productID {
+        case "donate.song": return "music.note"
+        case "donate.album": return "opticaldisc"
+        case "donate.anthology": return "music.note.list"
+        default: return "gift"
+        }
+    }
+    
+    /// Returns a friendly tier name for a given product ID
+    func tierName(for productID: String) -> String {
+        switch productID {
+        case "donate.song": return "Song"
+        case "donate.album": return "Album"
+        case "donate.anthology": return "Anthology"
+        default: return "Donation"
+        }
+    }
+}