passepartout-apple/Passepartout/App/Reusable/Reviewer.swift

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//
// Reviewer.swift
// Passepartout
//
// Created by Davide De Rosa on 9/9/19.
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// Copyright (c) 2024 Davide De Rosa. All rights reserved.
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//
// 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 StoreKit
import UIKit
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public final class Reviewer: ObservableObject {
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private struct Keys {
static let eventCount = "Reviewer.EventCount"
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static let lastVersion = "Reviewer.LastVersion"
}
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private let defaults: UserDefaults
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public var eventCountBeforeRating: Int = .max
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public init() {
defaults = .standard
}
@discardableResult
public func reportEvent() -> Bool {
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reportEvents(1)
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}
@discardableResult
public func reportEvents(_ eventCount: Int, appStoreId: String? = nil) -> Bool {
guard let currentVersionString = Bundle.main.infoDictionary?["CFBundleVersion"] as? String, let currentVersion = Int(currentVersionString) else {
return false
}
let lastVersion = defaults.integer(forKey: Keys.lastVersion)
if lastVersion > 0 {
print("Reviewer: App last reviewed for version \(lastVersion)")
} else {
print("Reviewer: App was never reviewed")
}
guard currentVersion != lastVersion else {
print("Reviewer: App already reviewed for version \(currentVersion)")
return false
}
var count = defaults.integer(forKey: Keys.eventCount)
count += eventCount
defaults.set(count, forKey: Keys.eventCount)
print("Reviewer: Event reported for version \(currentVersion) (count: \(count), prompt: \(eventCountBeforeRating))")
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guard count >= eventCountBeforeRating else {
return false
}
print("Reviewer: Prompting for review...")
defaults.removeObject(forKey: Keys.eventCount)
defaults.set(currentVersion, forKey: Keys.lastVersion)
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#if !os(tvOS)
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requestReview()
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#endif
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return true
}
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// may or may not appear
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#if !os(tvOS)
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private func requestReview() {
guard let scene = UIApplication.shared.connectedScenes.first(where: { $0 is UIWindowScene }) as? UIWindowScene else {
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return
}
SKStoreReviewController.requestReview(in: scene)
}
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#endif
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public static func urlForReview(withAppId appId: String) -> URL {
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URL(string: "https://apps.apple.com/app/id\(appId)?action=write-review")!
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}
}