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Merge pull request #2052 from loopandlearn/github-build-expiration-date
Update the app expiration alert for GitHub and Xcode builds
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| // | ||
| // AppExpirationAlerter.swift | ||
| // Loop | ||
| // | ||
| // Created by Pete Schwamb on 8/21/21. | ||
| // Copyright © 2021 LoopKit Authors. All rights reserved. | ||
| // | ||
|
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| import Foundation | ||
| import UserNotifications | ||
| import LoopCore | ||
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| class AppExpirationAlerter { | ||
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| static let expirationAlertWindow: TimeInterval = .days(20) | ||
| static let settingsPageExpirationWarningModeWindow: TimeInterval = .days(3) | ||
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| static func alertIfNeeded(viewControllerToPresentFrom: UIViewController) { | ||
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| let now = Date() | ||
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| guard let profileExpiration = BuildDetails.default.profileExpiration else { | ||
| return | ||
| } | ||
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| let expirationDate = calculateExpirationDate(profileExpiration: profileExpiration) | ||
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| let timeUntilExpiration = expirationDate.timeIntervalSince(now) | ||
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| if timeUntilExpiration > expirationAlertWindow { | ||
| return | ||
| } | ||
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| let minimumTimeBetweenAlerts: TimeInterval = timeUntilExpiration > .hours(24) ? .days(2) : .hours(1) | ||
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| if let lastAlertDate = UserDefaults.appGroup?.lastProfileExpirationAlertDate { | ||
| guard now > lastAlertDate + minimumTimeBetweenAlerts else { | ||
| return | ||
| } | ||
| } | ||
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| let formatter = DateComponentsFormatter() | ||
| formatter.allowedUnits = [.day, .hour] | ||
| formatter.unitsStyle = .full | ||
| formatter.zeroFormattingBehavior = .dropLeading | ||
| formatter.maximumUnitCount = 1 | ||
| let timeUntilExpirationStr = formatter.string(from: timeUntilExpiration) | ||
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| let alertMessage = createVerboseAlertMessage(timeUntilExpirationStr: timeUntilExpirationStr!) | ||
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| var dialog: UIAlertController | ||
| if isTestFlightBuild() { | ||
| dialog = UIAlertController( | ||
| title: NSLocalizedString("TestFlight Expires Soon", comment: "The title for notification of upcoming TestFlight expiration"), | ||
| message: alertMessage, | ||
| preferredStyle: .alert) | ||
| dialog.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: "Text for ok action on notification of upcoming TestFlight expiration"), style: .default, handler: nil)) | ||
| dialog.addAction(UIAlertAction(title: NSLocalizedString("More Info", comment: "Text for more info action on notification of upcoming TestFlight expiration"), style: .default, handler: { (_) in | ||
| UIApplication.shared.open(URL(string: "https://loopkit.github.io/loopdocs/gh-actions/gh-update/")!) | ||
| })) | ||
|
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| } else { | ||
| dialog = UIAlertController( | ||
| title: NSLocalizedString("Profile Expires Soon", comment: "The title for notification of upcoming profile expiration"), | ||
| message: alertMessage, | ||
| preferredStyle: .alert) | ||
| dialog.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: "Text for ok action on notification of upcoming profile expiration"), style: .default, handler: nil)) | ||
| dialog.addAction(UIAlertAction(title: NSLocalizedString("More Info", comment: "Text for more info action on notification of upcoming profile expiration"), style: .default, handler: { (_) in | ||
| UIApplication.shared.open(URL(string: "https://loopkit.github.io/loopdocs/build/updating/")!) | ||
| })) | ||
| } | ||
| viewControllerToPresentFrom.present(dialog, animated: true, completion: nil) | ||
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| UserDefaults.appGroup?.lastProfileExpirationAlertDate = now | ||
| } | ||
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| static func createVerboseAlertMessage(timeUntilExpirationStr:String) -> String { | ||
| if isTestFlightBuild() { | ||
| return String(format: NSLocalizedString("%1$@ will stop working in %2$@. You will need to rebuild before that.", comment: "Format string for body for notification of upcoming expiration. (1: app name) (2: amount of time until expiration"), Bundle.main.bundleDisplayName, timeUntilExpirationStr) | ||
| } else { | ||
| return String(format: NSLocalizedString("%1$@ will stop working in %2$@. You will need to update before that, with a new provisioning profile.", comment: "Format string for body for notification of upcoming provisioning profile expiration. (1: app name) (2: amount of time until expiration"), Bundle.main.bundleDisplayName, timeUntilExpirationStr) | ||
| } | ||
| } | ||
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| static func isNearExpiration(expirationDate:Date) -> Bool { | ||
| return expirationDate.timeIntervalSinceNow < settingsPageExpirationWarningModeWindow | ||
| } | ||
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| static func createProfileExpirationSettingsMessage(expirationDate:Date) -> String { | ||
| let nearExpiration = isNearExpiration(expirationDate: expirationDate) | ||
| let maxUnitCount = nearExpiration ? 2 : 1 // only include hours in the msg if near expiration | ||
| let readableRelativeTime: String? = relativeTimeFormatter(maxUnitCount: maxUnitCount).string(from: expirationDate.timeIntervalSinceNow) | ||
| let relativeTimeRemaining: String = readableRelativeTime ?? NSLocalizedString("Unknown time", comment: "Unknown amount of time in settings' profile expiration section") | ||
| let verboseMessage = createVerboseAlertMessage(timeUntilExpirationStr: relativeTimeRemaining) | ||
| let conciseMessage = relativeTimeRemaining + NSLocalizedString(" remaining", comment: "remaining time in setting's profile expiration section") | ||
| return nearExpiration ? verboseMessage : conciseMessage | ||
| } | ||
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| private static func relativeTimeFormatter(maxUnitCount:Int) -> DateComponentsFormatter { | ||
| let formatter = DateComponentsFormatter() | ||
| let includeHours = maxUnitCount == 2 | ||
| formatter.allowedUnits = includeHours ? [.day, .hour] : [.day] | ||
| formatter.unitsStyle = .full | ||
| formatter.zeroFormattingBehavior = .dropLeading | ||
| formatter.maximumUnitCount = maxUnitCount | ||
| return formatter | ||
| } | ||
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| static func buildDate() -> Date? { | ||
| let dateFormatter = DateFormatter() | ||
| dateFormatter.dateFormat = "EEE MMM d HH:mm:ss 'UTC' yyyy" | ||
| dateFormatter.locale = Locale(identifier: "en_US_POSIX") // Set locale to ensure parsing works | ||
| dateFormatter.timeZone = TimeZone(identifier: "UTC") | ||
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| guard let dateString = BuildDetails.default.buildDateString, | ||
| let date = dateFormatter.date(from: dateString) else { | ||
| return nil | ||
| } | ||
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| return date | ||
| } | ||
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| static func isTestFlightBuild() -> Bool { | ||
| // If the target environment is a simulator, then | ||
| // this is not a TestFlight distribution. Return false. | ||
| #if targetEnvironment(simulator) | ||
| return false | ||
| #endif | ||
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| // If an "embedded.mobileprovision" is present in the main bundle, then | ||
| // this is an Xcode, Ad-Hoc, or Enterprise distribution. Return false. | ||
| if Bundle.main.url(forResource: "embedded", withExtension: "mobileprovision") != nil { | ||
| return false | ||
| } | ||
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| // If an app store receipt is not present in the main bundle, then we cannot | ||
| // say whether this is a TestFlight or App Store distribution. Return false. | ||
| guard let receiptName = Bundle.main.appStoreReceiptURL?.lastPathComponent else { | ||
| return false | ||
| } | ||
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| // A TestFlight distribution presents a "sandboxReceipt", while an App Store | ||
| // distribution presents a "receipt". Return true if we have a TestFlight receipt. | ||
| return "sandboxReceipt".caseInsensitiveCompare(receiptName) == .orderedSame | ||
| } | ||
|
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| static func calculateExpirationDate(profileExpiration: Date) -> Date { | ||
| let isTestFlight = isTestFlightBuild() | ||
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| if isTestFlight, let buildDate = buildDate() { | ||
| let testflightExpiration = Calendar.current.date(byAdding: .day, value: 90, to: buildDate)! | ||
|
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| return profileExpiration < testflightExpiration ? profileExpiration : testflightExpiration | ||
| } else { | ||
| return profileExpiration | ||
| } | ||
| } | ||
| } |
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