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Yattee v2 rewrite
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Arkadiusz Fal
408
Yattee/Views/Settings/SubscriptionsSettingsView.swift
Normal file
408
Yattee/Views/Settings/SubscriptionsSettingsView.swift
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@@ -0,0 +1,408 @@
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//
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// SubscriptionsSettingsView.swift
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// Yattee
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//
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// Settings for importing and exporting subscriptions.
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//
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import SwiftUI
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import UniformTypeIdentifiers
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#if !os(tvOS)
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// MARK: - Export File Wrapper
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private struct ExportFile: Identifiable {
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let id = UUID()
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let url: URL
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}
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struct SubscriptionsSettingsView: View {
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@Environment(\.appEnvironment) private var appEnvironment
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// Account selection state
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@State private var pendingAccountChange: SubscriptionAccount?
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@State private var showingAccountSwitchConfirmation = false
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// Import state
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@State private var showingImportPicker = false
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@State private var isImporting = false
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@State private var importResult: (imported: Int, skipped: Int, format: String)?
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@State private var showingImportResult = false
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@State private var importError: String?
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@State private var showingImportError = false
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// Export state
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@State private var selectedExportFormat: SubscriptionExportFormat = .json
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@State private var exportFile: ExportFile?
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private var dataManager: DataManager? {
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appEnvironment?.dataManager
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}
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private var settingsManager: SettingsManager? {
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appEnvironment?.settingsManager
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}
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private var validator: SubscriptionAccountValidator? {
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appEnvironment?.subscriptionAccountValidator
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}
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private var subscriptionCount: Int {
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dataManager?.subscriptionCount ?? 0
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}
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private var currentAccount: SubscriptionAccount {
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settingsManager?.subscriptionAccount ?? .local
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}
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var body: some View {
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List {
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accountSection
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if validator?.hasAvailableAccounts == true {
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importSection
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exportSection
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}
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}
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.navigationTitle(String(localized: "settings.subscriptions.title"))
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#if os(iOS)
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.navigationBarTitleDisplayMode(.inline)
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.sheet(isPresented: $showingImportPicker) {
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SubscriptionFilePickerView { url in
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handleImportedFile(url)
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}
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}
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.sheet(item: $exportFile) { file in
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ShareSheet(items: [file.url])
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}
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#endif
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.alert(
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String(localized: "settings.subscriptions.import.success.title"),
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isPresented: $showingImportResult
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) {
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Button(String(localized: "common.ok")) {}
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} message: {
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if let result = importResult {
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Text(String(localized: "settings.subscriptions.import.success.message \(result.imported) \(result.skipped) \(result.format)"))
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}
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}
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.alert(
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String(localized: "settings.subscriptions.import.error.title"),
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isPresented: $showingImportError
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) {
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Button(String(localized: "common.ok")) {}
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} message: {
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if let error = importError {
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Text(error)
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}
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}
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.confirmationDialog(
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String(localized: "settings.subscriptions.account.switch.title"),
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isPresented: $showingAccountSwitchConfirmation,
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titleVisibility: .visible
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) {
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Button(String(localized: "settings.subscriptions.account.switch.action")) {
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confirmAccountSwitch()
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}
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Button(String(localized: "common.cancel"), role: .cancel) {
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cancelAccountSwitch()
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}
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} message: {
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Text(String(localized: "settings.subscriptions.account.switch.message"))
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}
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}
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// MARK: - Account Section
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@ViewBuilder
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private var accountSection: some View {
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Section {
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if let validator, validator.hasAvailableAccounts {
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Picker(
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String(localized: "settings.subscriptions.account.label"),
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selection: Binding(
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get: { currentAccount },
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set: { newAccount in
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if newAccount != currentAccount {
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pendingAccountChange = newAccount
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showingAccountSwitchConfirmation = true
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}
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}
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)
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) {
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ForEach(validator.availableAccounts, id: \.self) { account in
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Text(validator.displayName(for: account))
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.tag(account)
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}
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}
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} else {
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// No accounts available - show setup prompt
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VStack(alignment: .leading, spacing: 8) {
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Label(
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String(localized: "settings.subscriptions.account.noAccounts.title"),
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systemImage: "exclamationmark.triangle"
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)
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.foregroundStyle(.secondary)
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Text(String(localized: "settings.subscriptions.account.noAccounts.message"))
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.font(.caption)
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.foregroundStyle(.secondary)
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Button(String(localized: "settings.subscriptions.account.noAccounts.action")) {
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appEnvironment?.navigationCoordinator.navigate(to: .settings)
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}
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.font(.caption)
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.padding(.top, 4)
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}
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.padding(.vertical, 4)
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}
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} footer: {
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if validator?.hasAvailableAccounts == true {
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Text(String(localized: "settings.subscriptions.account.footer"))
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}
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}
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}
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// MARK: - Account Switch Actions
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private func confirmAccountSwitch() {
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guard let newAccount = pendingAccountChange else { return }
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settingsManager?.subscriptionAccount = newAccount
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SubscriptionFeedCache.shared.handleAccountChange()
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// Trigger feed refresh in background
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Task {
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guard let appEnvironment else { return }
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await SubscriptionFeedCache.shared.refresh(using: appEnvironment)
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}
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pendingAccountChange = nil
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LoggingService.shared.logSubscriptions("Switched subscription account to: \(String(describing: newAccount.type))")
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}
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private func cancelAccountSwitch() {
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pendingAccountChange = nil
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}
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// MARK: - Import Section
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@ViewBuilder
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private var importSection: some View {
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Section {
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Button {
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showImportPicker()
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} label: {
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HStack {
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Label(String(localized: "settings.subscriptions.import.button"), systemImage: "square.and.arrow.down")
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Spacer()
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if isImporting {
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ProgressView()
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}
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}
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}
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.disabled(isImporting)
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} header: {
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Text(String(localized: "settings.subscriptions.import.title"))
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} footer: {
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Text(String(localized: "settings.subscriptions.import.footer"))
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}
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}
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// MARK: - Export Section
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@ViewBuilder
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private var exportSection: some View {
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Section {
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Picker(String(localized: "settings.subscriptions.export.format"), selection: $selectedExportFormat) {
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ForEach(SubscriptionExportFormat.allCases) { format in
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Text(format.rawValue).tag(format)
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}
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}
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Button {
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exportSubscriptions()
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} label: {
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Label(String(localized: "settings.subscriptions.export.button"), systemImage: "square.and.arrow.up")
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}
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.disabled(subscriptionCount == 0)
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} header: {
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Text(String(localized: "settings.subscriptions.export.title"))
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} footer: {
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Text(String(localized: "settings.subscriptions.export.footer \(subscriptionCount)"))
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}
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}
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// MARK: - Actions
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private func showImportPicker() {
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#if os(iOS)
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showingImportPicker = true
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#elseif os(macOS)
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showMacOSImportPanel()
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#endif
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}
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#if os(macOS)
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private func showMacOSImportPanel() {
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let panel = NSOpenPanel()
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panel.allowedContentTypes = [
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UTType.commaSeparatedText,
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UTType(filenameExtension: "opml") ?? .xml,
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UTType.xml
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]
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panel.canChooseFiles = true
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panel.canChooseDirectories = false
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panel.allowsMultipleSelection = false
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panel.message = String(localized: "settings.subscriptions.import.panel.message")
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if panel.runModal() == .OK, let url = panel.url {
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handleImportedFile(url)
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}
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}
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#endif
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private func handleImportedFile(_ url: URL) {
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isImporting = true
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Task {
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do {
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// Read file data
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let data: Data
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if url.startAccessingSecurityScopedResource() {
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defer { url.stopAccessingSecurityScopedResource() }
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data = try Data(contentsOf: url)
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} else {
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data = try Data(contentsOf: url)
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}
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// Parse subscriptions
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let parseResult = try SubscriptionImportExport.parseAuto(data)
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// Import to database
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guard let dataManager else {
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throw SubscriptionImportError.invalidData
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}
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let importStats = dataManager.importSubscriptionsFromExternal(parseResult.channels)
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await MainActor.run {
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isImporting = false
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importResult = (imported: importStats.imported, skipped: importStats.skipped, format: parseResult.format)
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showingImportResult = true
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LoggingService.shared.logSubscriptions("Import completed: \(importStats.imported) imported, \(importStats.skipped) skipped")
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}
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} catch {
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await MainActor.run {
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isImporting = false
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importError = error.localizedDescription
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showingImportError = true
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LoggingService.shared.logSubscriptionsError("Import failed", error: error)
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}
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}
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}
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}
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private func exportSubscriptions() {
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guard let dataManager else { return }
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let subscriptions = dataManager.allSubscriptions
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let data: Data?
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switch selectedExportFormat {
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case .json:
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data = SubscriptionImportExport.exportToJSON(subscriptions)
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case .opml:
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data = SubscriptionImportExport.exportToOPML(subscriptions)
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}
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guard let exportData = data else {
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LoggingService.shared.logSubscriptionsError("Failed to generate export data")
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return
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}
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let filename = SubscriptionImportExport.generateExportFilename(format: selectedExportFormat)
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#if os(iOS)
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// Write to temp file and share
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let tempURL = FileManager.default.temporaryDirectory.appendingPathComponent(filename)
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do {
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try exportData.write(to: tempURL)
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exportFile = ExportFile(url: tempURL)
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} catch {
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LoggingService.shared.logSubscriptionsError("Failed to write export file", error: error)
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}
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#elseif os(macOS)
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showMacOSSavePanel(data: exportData, filename: filename)
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#endif
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}
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#if os(macOS)
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private func showMacOSSavePanel(data: Data, filename: String) {
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let panel = NSSavePanel()
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panel.nameFieldStringValue = filename
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panel.allowedContentTypes = selectedExportFormat == .json ? [.json] : [UTType(filenameExtension: "opml") ?? .xml]
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if panel.runModal() == .OK, let url = panel.url {
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do {
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try data.write(to: url)
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LoggingService.shared.logSubscriptions("Exported subscriptions to \(url.path)")
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} catch {
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LoggingService.shared.logSubscriptionsError("Failed to save export", error: error)
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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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// MARK: - File Picker (iOS)
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#if os(iOS)
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struct SubscriptionFilePickerView: UIViewControllerRepresentable {
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let onSelect: (URL) -> Void
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func makeUIViewController(context: Context) -> UIDocumentPickerViewController {
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let supportedTypes: [UTType] = [
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.commaSeparatedText,
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UTType(filenameExtension: "opml") ?? .xml,
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.xml,
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.text
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]
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let picker = UIDocumentPickerViewController(forOpeningContentTypes: supportedTypes)
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picker.delegate = context.coordinator
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picker.allowsMultipleSelection = false
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return picker
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}
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func updateUIViewController(_ uiViewController: UIDocumentPickerViewController, context: Context) {}
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func makeCoordinator() -> Coordinator {
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Coordinator(onSelect: onSelect)
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}
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class Coordinator: NSObject, UIDocumentPickerDelegate {
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let onSelect: (URL) -> Void
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init(onSelect: @escaping (URL) -> Void) {
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self.onSelect = onSelect
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}
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func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
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guard let url = urls.first else { return }
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onSelect(url)
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}
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}
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}
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#endif
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// MARK: - Preview
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#Preview {
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NavigationStack {
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SubscriptionsSettingsView()
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}
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.appEnvironment(.preview)
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}
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#endif
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