347 lines
16 KiB
Swift
347 lines
16 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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import CryptoKit
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import GRDB
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import DifferenceKit
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import SessionUIKit
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import SessionMessagingKit
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import SessionUtilitiesKit
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import SignalCoreKit
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class HelpViewModel: SessionTableViewModel<NoNav, HelpViewModel.Section, HelpViewModel.Section> {
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#if DEBUG
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private var databaseKeyEncryptionPassword: String = ""
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#endif
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// MARK: - Section
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public enum Section: SessionTableSection {
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case report
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case translate
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case feedback
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case faq
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case support
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#if DEBUG
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case exportDatabase
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#endif
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var style: SessionTableSectionStyle { .padding }
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}
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// MARK: - Content
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override var title: String { "HELP_TITLE".localized() }
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public override var observableTableData: ObservableData { _observableTableData }
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/// This is all the data the screen needs to populate itself, please see the following link for tips to help optimise
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/// performance https://github.com/groue/GRDB.swift#valueobservation-performance
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///
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/// **Note:** This observation will be triggered twice immediately (and be de-duped by the `removeDuplicates`)
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/// this is due to the behaviour of `ValueConcurrentObserver.asyncStartObservation` which triggers it's own
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/// fetch (after the ones in `ValueConcurrentObserver.asyncStart`/`ValueConcurrentObserver.syncStart`)
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/// just in case the database has changed between the two reads - unfortunately it doesn't look like there is a way to prevent this
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private lazy var _observableTableData: ObservableData = ValueObservation
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.trackingConstantRegion { db -> [SectionModel] in
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return [
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SectionModel(
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model: .report,
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elements: [
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SessionCell.Info(
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id: .report,
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title: "HELP_REPORT_BUG_TITLE".localized(),
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subtitle: "HELP_REPORT_BUG_DESCRIPTION".localized(),
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rightAccessory: .highlightingBackgroundLabel(
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title: "HELP_REPORT_BUG_ACTION_TITLE".localized()
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),
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onTapView: { HelpViewModel.shareLogs(targetView: $0) }
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)
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]
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),
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SectionModel(
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model: .translate,
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elements: [
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SessionCell.Info(
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id: .translate,
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title: "HELP_TRANSLATE_TITLE".localized(),
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rightAccessory: .icon(
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UIImage(systemName: "arrow.up.forward.app")?
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.withRenderingMode(.alwaysTemplate),
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size: .small
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),
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onTap: {
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guard let url: URL = URL(string: "https://crowdin.com/project/session-ios") else {
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return
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}
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UIApplication.shared.open(url)
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}
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)
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]
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),
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SectionModel(
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model: .feedback,
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elements: [
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SessionCell.Info(
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id: .feedback,
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title: "HELP_FEEDBACK_TITLE".localized(),
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rightAccessory: .icon(
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UIImage(systemName: "arrow.up.forward.app")?
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.withRenderingMode(.alwaysTemplate),
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size: .small
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),
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onTap: {
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guard let url: URL = URL(string: "https://getsession.org/survey") else {
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return
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}
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UIApplication.shared.open(url)
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}
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)
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]
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),
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SectionModel(
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model: .faq,
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elements: [
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SessionCell.Info(
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id: .faq,
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title: "HELP_FAQ_TITLE".localized(),
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rightAccessory: .icon(
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UIImage(systemName: "arrow.up.forward.app")?
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.withRenderingMode(.alwaysTemplate),
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size: .small
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),
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onTap: {
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guard let url: URL = URL(string: "https://getsession.org/faq") else {
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return
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}
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UIApplication.shared.open(url)
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}
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)
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]
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),
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SectionModel(
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model: .support,
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elements: [
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SessionCell.Info(
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id: .support,
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title: "HELP_SUPPORT_TITLE".localized(),
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rightAccessory: .icon(
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UIImage(systemName: "arrow.up.forward.app")?
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.withRenderingMode(.alwaysTemplate),
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size: .small
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),
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onTap: {
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guard let url: URL = URL(string: "https://sessionapp.zendesk.com/hc/en-us") else {
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return
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}
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UIApplication.shared.open(url)
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}
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)
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]
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)
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]
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#if DEBUG
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.appending(
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SectionModel(
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model: .exportDatabase,
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elements: [
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SessionCell.Info(
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id: .support,
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title: "Export Database",
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rightAccessory: .icon(
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UIImage(systemName: "square.and.arrow.up.trianglebadge.exclamationmark")?
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.withRenderingMode(.alwaysTemplate),
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size: .small
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),
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styling: SessionCell.StyleInfo(
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tintColor: .danger
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),
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onTapView: { [weak self] view in self?.exportDatabase(view) }
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)
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]
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)
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)
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#endif
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}
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.removeDuplicates()
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.handleEvents(didFail: { SNLog("[HelpViewModel] Observation failed with error: \($0)") })
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.publisher(in: Storage.shared)
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.mapToSessionTableViewData(for: self)
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// MARK: - Functions
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public static func shareLogs(
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viewControllerToDismiss: UIViewController? = nil,
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targetView: UIView? = nil,
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animated: Bool = true,
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onShareComplete: (() -> ())? = nil
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) {
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OWSLogger.info("[Version] \(SessionApp.versionInfo)")
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DDLog.flushLog()
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let logFilePaths: [String] = AppEnvironment.shared.fileLogger.logFileManager.sortedLogFilePaths
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guard
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let latestLogFilePath: String = logFilePaths.first,
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let viewController: UIViewController = CurrentAppContext().frontmostViewController()
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else { return }
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let showShareSheet: () -> () = {
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let shareVC = UIActivityViewController(
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activityItems: [ URL(fileURLWithPath: latestLogFilePath) ],
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applicationActivities: nil
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)
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shareVC.completionWithItemsHandler = { _, _, _, _ in onShareComplete?() }
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if UIDevice.current.isIPad {
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shareVC.excludedActivityTypes = []
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shareVC.popoverPresentationController?.permittedArrowDirections = (targetView != nil ? [.up] : [])
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shareVC.popoverPresentationController?.sourceView = (targetView ?? viewController.view)
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shareVC.popoverPresentationController?.sourceRect = (targetView ?? viewController.view).bounds
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}
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viewController.present(shareVC, animated: animated, completion: nil)
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}
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guard let viewControllerToDismiss: UIViewController = viewControllerToDismiss else {
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showShareSheet()
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return
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}
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viewControllerToDismiss.dismiss(animated: animated) {
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showShareSheet()
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}
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}
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#if DEBUG
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private func exportDatabase(_ targetView: UIView?) {
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let generatedPassword: String = UUID().uuidString
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self.databaseKeyEncryptionPassword = generatedPassword
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self.transitionToScreen(
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ConfirmationModal(
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info: ConfirmationModal.Info(
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title: "Export Database",
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body: .input(
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explanation: NSAttributedString(
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string: """
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Sharing the database and key together is dangerous!
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We've generated a secure password for you but feel free to provide your own (we will show the generated password again after exporting)
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This password will be used to encrypt the database decryption key and will be exported alongside the database
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"""
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),
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placeholder: "Enter a password",
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initialValue: generatedPassword,
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clearButton: true,
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onChange: { [weak self] value in self?.databaseKeyEncryptionPassword = value }
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),
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confirmTitle: "Export",
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dismissOnConfirm: false,
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onConfirm: { [weak self] modal in
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modal.dismiss(animated: true) {
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guard let password: String = self?.databaseKeyEncryptionPassword, password.count >= 6 else {
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self?.transitionToScreen(
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ConfirmationModal(
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info: ConfirmationModal.Info(
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title: "Error",
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body: .text("Password must be at least 6 characters")
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)
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),
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transitionType: .present
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)
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return
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}
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do {
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let exportInfo = try Storage.shared.exportInfo(password: password)
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let shareVC = UIActivityViewController(
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activityItems: [
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URL(fileURLWithPath: exportInfo.dbPath),
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URL(fileURLWithPath: exportInfo.keyPath)
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],
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applicationActivities: nil
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)
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shareVC.completionWithItemsHandler = { [weak self] _, completed, _, _ in
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guard
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completed &&
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generatedPassword == self?.databaseKeyEncryptionPassword
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else { return }
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self?.transitionToScreen(
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ConfirmationModal(
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info: ConfirmationModal.Info(
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title: "Password",
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body: .text("""
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The generated password was:
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\(generatedPassword)
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Avoid sending this via the same means as the database
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"""),
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confirmTitle: "Share",
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dismissOnConfirm: false,
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onConfirm: { [weak self] modal in
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modal.dismiss(animated: true) {
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let passwordShareVC = UIActivityViewController(
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activityItems: [generatedPassword],
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applicationActivities: nil
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)
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if UIDevice.current.isIPad {
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passwordShareVC.excludedActivityTypes = []
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passwordShareVC.popoverPresentationController?.permittedArrowDirections = (targetView != nil ? [.up] : [])
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passwordShareVC.popoverPresentationController?.sourceView = targetView
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passwordShareVC.popoverPresentationController?.sourceRect = (targetView?.bounds ?? .zero)
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}
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self?.transitionToScreen(passwordShareVC, transitionType: .present)
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}
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}
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)
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),
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transitionType: .present
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)
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}
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if UIDevice.current.isIPad {
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shareVC.excludedActivityTypes = []
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shareVC.popoverPresentationController?.permittedArrowDirections = (targetView != nil ? [.up] : [])
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shareVC.popoverPresentationController?.sourceView = targetView
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shareVC.popoverPresentationController?.sourceRect = (targetView?.bounds ?? .zero)
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}
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self?.transitionToScreen(shareVC, transitionType: .present)
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}
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catch {
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let message: String = {
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switch error {
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case CryptoKitError.incorrectKeySize:
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return "The password must be between 6 and 32 characters (padded to 32 bytes)"
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default: return "Failed to export database"
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}
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}()
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self?.transitionToScreen(
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ConfirmationModal(
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info: ConfirmationModal.Info(
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title: "Error",
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body: .text(message)
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)
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),
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transitionType: .present
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)
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}
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}
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}
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)
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),
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transitionType: .present
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)
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}
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#endif
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}
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