passepartout-apple/Passepartout/Library/Sources/UILibrary/Views/Paywall/PaywallView+Custom.swift

//
//  PaywallView+Custom.swift
//  Passepartout
//
//  Created by Davide De Rosa on 11/7/24.
//  Copyright (c) 2024 Davide De Rosa. All rights reserved.
//
//  https://github.com/passepartoutvpn
//
//  This file is part of Passepartout.
//
//  Passepartout is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  Passepartout is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with Passepartout.  If not, see <http://www.gnu.org/licenses/>.
//

import CommonLibrary
import CommonUtils
import StoreKit
import SwiftUI

extension PaywallView {
    struct CustomProductView: View {
        let style: ProductStyle

        @ObservedObject
        var iapManager: IAPManager

        let product: InAppProduct

        let onComplete: (String, InAppPurchaseResult) -> Void

        let onError: (Error) -> Void

        var body: some View {
            HStack {
                Text(verbatim: product.localizedTitle)
                Spacer()
                Button(action: purchase) {
                    Text(verbatim: product.localizedPrice)
                }
            }
        }
    }
}

private extension PaywallView.CustomProductView {
    func purchase() {
        Task {
            do {
                let result = try await iapManager.purchase(product)
                onComplete(product.productIdentifier, result)
            } catch {
                onError(error)
            }
        }
    }
}