// // KMDMGPurchaseManager.swift // PDF Master // // Created by lizhe on 2023/6/8. // import Cocoa class KMDMGPurchaseManager: NSObject { public static let manager = KMDMGPurchaseManager() var fetchProductCompletion: KMPurchaseFetchProductCompletion? var availableProducts: [KMProduct] = [] func purchaseProduct(productIdentifier: String, completion: KMPurchaseCompletion) { NSWorkspace.shared.open(URL(string: "https://www.pdfreaderpro.com/store")!) } func fetchProducts(completion: @escaping KMPurchaseFetchProductCompletion) { self.fetchProductCompletion = completion } }