106 lines
2.9 KiB
Swift
106 lines
2.9 KiB
Swift
//
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// PaywallModifier.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 9/11/24.
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// Copyright (c) 2024 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of Passepartout.
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//
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// Passepartout is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Passepartout is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import CommonLibrary
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import SwiftUI
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public struct PaywallModifier: ViewModifier {
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@Binding
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private var reason: PaywallReason?
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@State
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private var isPresentingRestricted = false
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@State
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private var paywallArguments: PaywallArguments?
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public init(reason: Binding<PaywallReason?>) {
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_reason = reason
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}
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public func body(content: Content) -> some View {
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content
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.alert(
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Strings.Alerts.Iap.Restricted.title,
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isPresented: $isPresentingRestricted,
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actions: {
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Button(Strings.Global.ok) {
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reason = nil
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isPresentingRestricted = false
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}
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},
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message: {
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Text(Strings.Alerts.Iap.Restricted.message)
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}
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)
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.themeModal(item: $paywallArguments) { args in
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NavigationStack {
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PaywallView(
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isPresented: isPresentingPurchase,
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feature: args.feature,
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suggestedProduct: args.product
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)
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}
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}
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.onChange(of: reason) {
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switch $0 {
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case .restricted:
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isPresentingRestricted = true
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case .purchase(let feature, let product):
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paywallArguments = PaywallArguments(feature: feature, product: product)
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default:
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break
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}
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}
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}
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}
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private extension PaywallModifier {
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var isPresentingPurchase: Binding<Bool> {
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Binding {
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paywallArguments != nil
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} set: {
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if !$0 {
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// make sure to reset this to allow paywall to appear again
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reason = nil
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paywallArguments = nil
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}
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}
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}
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}
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private struct PaywallArguments: Identifiable {
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let feature: AppFeature
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let product: AppProduct?
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var id: String {
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feature.id
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}
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}
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