More settings work

iOS/Settings/Views/General/SettingsRows.swift

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+//
+//  SettingsRows.swift
+//  NetNewsWire-iOS
+//
+//  Created by Stuart Breckenridge on 12/11/2022.
+//  Copyright © 2022 Ranchero Software. All rights reserved.
+//
+
+import SwiftUI
+import Account
+import UniformTypeIdentifiers
+
+
+// MARK: - Rows
+
+struct SettingsViewRows {
+	
+	/// This row, when tapped, will open iOS System Settings.
+	static var OpenSystemSettings: some View {
+		Label {
+			Text("Open System Settings")
+		} icon: {
+			Image("system.settings")
+				.resizable()
+				.aspectRatio(contentMode: .fit)
+				.frame(width: 25.0, height: 25.0)
+				.clipShape(RoundedRectangle(cornerRadius: 6))
+		}
+		.onTapGesture {
+			UIApplication.shared.open(URL(string: "\(UIApplication.openSettingsURLString)")!)
+		}
+	}
+	
+	/// This row, when tapped, will push the New Article Notifications
+	/// screen in to view.
+	static var ConfigureNewArticleNotifications: some View {
+		NavigationLink(destination: NewArticleNotificationsView()) {
+			Label {
+				Text("New Article Notifications")
+			} icon: {
+				Image("notifications.sounds")
+					.resizable()
+					.frame(width: 25.0, height: 25.0)
+					.clipShape(RoundedRectangle(cornerRadius: 6))
+			}
+		}
+	}
+	
+	/// This row, when tapped, will push the the Add Account screen
+	/// in to view.
+	static var AddAccount: some View {
+		NavigationLink(destination: AccountsManagementView()) {
+			Label {
+				Text("Manage Accounts")
+			} icon: {
+				Image("app.account")
+					.resizable()
+					.frame(width: 25.0, height: 25.0)
+					.clipShape(RoundedRectangle(cornerRadius: 6))
+			}
+		}
+	}
+	
+	/// This row, when tapped, will push the the Manage Extension screen
+	/// in to view.
+	static var ManageExtensions: some View {
+		NavigationLink(destination: ExtensionsManagementView()) {
+			Label {
+				Text("Manage Extensions")
+			} icon: {
+				Image("app.extension")
+					.resizable()
+					.frame(width: 25.0, height: 25.0)
+					.clipShape(RoundedRectangle(cornerRadius: 6))
+			}
+		}
+	}
+	
+	/// This row, when tapped, will present an Import/Export
+	/// menu.
+	static func ImportExportOPML(showImportView: Binding<Bool>, showExportView: Binding<Bool>, importAccount: Binding<Account?>, exportDocument: Binding<OPMLDocument?>) -> some View {
+		Menu {
+			Menu {
+				ForEach(AccountManager.shared.sortedActiveAccounts, id: \.self) { account in
+					Button(account.nameForDisplay) {
+						importAccount.wrappedValue = account
+						showImportView.wrappedValue = true
+					}
+				}
+			} label: {
+				Label("Import Subscriptions To...", systemImage: "arrow.down.doc")
+			}
+			Divider()
+			Menu {
+				ForEach(AccountManager.shared.sortedAccounts, id: \.self) { account in
+					Button(account.nameForDisplay) {
+						do {
+							let document = try OPMLDocument(account)
+							exportDocument.wrappedValue = document
+							showExportView.wrappedValue = true
+						} catch {
+							print(error.localizedDescription)
+						}
+					}
+				}
+			} label: {
+				Label("Export Subscriptions From...", systemImage: "arrow.up.doc")
+			}
+		} label: {
+			Label {
+				Text("Import/Export Subscriptions")
+					.foregroundColor(.primary)
+				
+			} icon: {
+				Image("app.opml")
+					.resizable()
+					.frame(width: 25.0, height: 25.0)
+					.clipShape(RoundedRectangle(cornerRadius: 6))
+			}
+		}
+	}
+	
+	/// Returns a `Toggle` which triggers changes to the user's sort order preference.
+	/// - Parameter preference: `Binding<Bool>`
+	/// - Returns: `Toggle`
+	static func SortOldestToNewest(_ preference: Binding<Bool>) -> some View {
+		Toggle("Sort Oldest to Newest", isOn: preference)
+	}
+	
+	/// Returns a `Toggle` which triggers changes to the user's grouping preference.
+	/// - Parameter preference: `Binding<Bool>`
+	/// - Returns: `Toggle`
+	static func GroupByFeed(_ preference: Binding<Bool>) -> some View {
+		Toggle("Group by Feed", isOn: preference)
+	}
+	
+	/// Returns a `Toggle` which triggers changes to the user's refresh to clear preferences.
+	/// - Parameter preference: `Binding<Bool>`
+	/// - Returns: `Toggle`
+	static func RefreshToClearReadArticles(_ preference: Binding<Bool>) -> some View {
+		Toggle("Refresh To Clear Read Articles", isOn: preference)
+	}
+	
+	/// This row, when tapped, will push the the Timeline Layout screen
+	/// in to view.
+	static var TimelineLayout: some View {
+		NavigationLink(destination: NotificationsViewControllerRepresentable()) {
+			Label {
+				Text("Timeline Layout")
+			} icon: {
+				Image(systemName: "slider.vertical.3")
+					.resizable()
+					.aspectRatio(contentMode: .fit)
+					.frame(width: 25.0, height: 25.0)
+			}
+		}
+	}
+	
+	/// This row, when tapped, will push the the Theme Selector screen
+	/// in to view.
+	static var ThemeSelection: some View {
+		NavigationLink(destination: ArticleThemesViewControllerRepresentable().edgesIgnoringSafeArea(.all)) {
+			HStack {
+				Text("Article Theme")
+				Spacer()
+				Text(ArticleThemesManager.shared.currentTheme.name)
+					.font(.callout)
+					.foregroundColor(.secondary)
+			}
+		}
+	}
+	
+	static func ConfirmMarkAllAsRead(_ preference: Binding<Bool>) -> some View {
+		Toggle("Confirm Mark All as Read", isOn: preference)
+	}
+	
+	static func OpenLinksInNetNewsWire(_ preference: Binding<Bool>) -> some View {
+		Toggle("Open Links in NetNewsWire", isOn: preference)
+	}
+	
+	// TODO: Add Reader Mode Defaults here. See #3684.
+	static func EnableFullScreenArticles(_ preference: Binding<Bool>) -> some View {
+		Toggle(isOn: preference) {
+			VStack(alignment: .leading, spacing: 4) {
+				Text("Enable Full Screen Articles")
+				Text("Tap the article top bar to enter Full Screen. Tap the top or bottom to exit.")
+					.font(.caption)
+					.foregroundColor(.gray)
+			}
+		}
+	}
+	
+	/// This row, when tapped, will push the New Article Notifications
+	/// screen in to view.
+	static var ConfigureAppearance: some View {
+		NavigationLink(destination: DisplayAndBehaviorsView()) {
+			Label {
+				Text("Display & Behaviors")
+			} icon: {
+				Image("app.appearance")
+					.resizable()
+					.frame(width: 25.0, height: 25.0)
+					.clipShape(RoundedRectangle(cornerRadius: 6))
+			}
+		}
+	}
+	
+	/// Sets the help sheet the user wishes to see.
+	/// - Parameters:
+	///   - sheet: The sheet provided to create the view.
+	///   - selectedSheet: A `Binding` to the currently selected sheet. This is set, followed by `show`.
+	///   - show: A `Binding` to `Bool` which triggers the sheet to display.
+	/// - Returns: `View`
+	static func ShowHelpSheet(sheet: HelpSheet, selectedSheet: Binding<HelpSheet>, _ show: Binding<Bool>) -> some View {
+		Label {
+			Text(sheet.description)
+		} icon: {
+			Image(systemName: sheet.systemImage)
+				.resizable()
+				.renderingMode(.template)
+				.foregroundColor(Color(uiColor: .tertiaryLabel))
+				.aspectRatio(contentMode: .fit)
+				.frame(width: 25.0, height: 25.0)
+		}
+		.onTapGesture {
+			selectedSheet.wrappedValue = sheet
+			show.wrappedValue.toggle()
+		}
+	}
+	
+	static var AboutNetNewsWire: some View {
+		NavigationLink {
+			AboutView()
+		} label: {
+			Label {
+				Text("About NetNewsWire")
+			} icon: {
+				Image(systemName: "info.circle")
+					.resizable()
+					.renderingMode(.template)
+					.foregroundColor(Color(uiColor: .tertiaryLabel))
+					.aspectRatio(contentMode: .fit)
+					.frame(width: 25.0, height: 25.0)
+			}
+		}
+	}
+}
+
+
+extension Binding where Value == Bool {
+	func negate() -> Bool {
+		return !(self.wrappedValue)
+	}
+}

iOS/Settings/Views/General/SettingsView.swift

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+//
+//  SettingsView.swift
+//  NetNewsWire-iOS
+//
+//  Created by Stuart Breckenridge on 12/11/2022.
+//  Copyright © 2022 Ranchero Software. All rights reserved.
+//
+
+import SwiftUI
+import Account
+import UniformTypeIdentifiers
+import UserNotifications
+
+struct SettingsView: View {
+	
+	@StateObject private var appDefaults = AppDefaults.shared
+	@StateObject private var viewModel = SettingsViewModel()
+		
+	var body: some View {
+		NavigationView {
+			List {
+				
+				// Device Permissions
+				Section(header: Text("Device Permissions"), footer: Text("Configure NetNewsWire's access to Siri, background app refresh, mobile data, and more.")) {
+					SettingsViewRows.OpenSystemSettings
+				}
+				
+				// Account/Extensions/OPML Management
+				Section(header: Text("Accounts & Extensions"), footer: Text("Add, delete, enable, or disable accounts and extensions.")) {
+					SettingsViewRows.AddAccount
+					SettingsViewRows.ManageExtensions
+					SettingsViewRows.ImportExportOPML(showImportView: $viewModel.showImportView, showExportView: $viewModel.showExportView, importAccount: $viewModel.importAccount, exportDocument: $viewModel.exportDocument)
+				}
+				
+				// Appearance
+				Section(header: Text("Appearance"), footer: Text("Manage the look, feel, and behavior of NetNewsWire.")) {
+					SettingsViewRows.ConfigureAppearance
+					if viewModel.notificationPermissions == .authorized {
+						SettingsViewRows.ConfigureNewArticleNotifications
+					}
+				}
+				
+				// Help
+				Section {
+					ForEach(0..<HelpSheet.allCases.count, id: \.self) { i in
+						SettingsViewRows.ShowHelpSheet(sheet: HelpSheet.allCases[i], selectedSheet: $viewModel.helpSheet, $viewModel.showHelpSheet)
+					}
+					SettingsViewRows.AboutNetNewsWire
+				}
+			}
+			.tint(Color(uiColor: AppAssets.primaryAccentColor))
+			.listStyle(.insetGrouped)
+			.navigationTitle(Text("Settings"))
+			.navigationBarTitleDisplayMode(.inline)
+			.sheet(isPresented: $viewModel.showAddAccountView) {
+				AddAccountViewControllerRepresentable().edgesIgnoringSafeArea(.all)
+			}
+			.sheet(isPresented: $viewModel.showHelpSheet) {
+				SafariView(url: viewModel.helpSheet.url)
+			}
+			.sheet(isPresented: $viewModel.showAbout) {
+				AboutView()
+			}
+			.task {
+				UNUserNotificationCenter.current().getNotificationSettings { settings in
+					DispatchQueue.main.async {
+						self.viewModel.notificationPermissions = settings.authorizationStatus
+					}
+				}
+			}
+			.onReceive(NotificationCenter.default.publisher(for: UIScene.willEnterForegroundNotification)) { _ in
+				UNUserNotificationCenter.current().getNotificationSettings { settings in
+					DispatchQueue.main.async {
+						self.viewModel.notificationPermissions = settings.authorizationStatus
+					}
+				}
+			}
+			.fileImporter(isPresented: $viewModel.showImportView, allowedContentTypes: OPMLDocument.readableContentTypes) { result in
+				switch result {
+				case .success(let url):
+					viewModel.importAccount!.importOPML(url) { importResult in
+						switch importResult {
+						case .success(_):
+							viewModel.showImportSuccess = true
+						case .failure(let error):
+							viewModel.importExportError = error
+							viewModel.showImportExportError = true
+						}
+					}
+				case .failure(let error):
+					viewModel.importExportError = error
+					viewModel.showImportExportError = true
+				}
+			}
+			.fileExporter(isPresented: $viewModel.showExportView, document: viewModel.exportDocument, contentType: OPMLDocument.writableContentTypes.first!, onCompletion: { result in
+				switch result {
+				case .success(_):
+					viewModel.showExportSuccess = true
+				case .failure(let error):
+					viewModel.importExportError = error
+					viewModel.showImportExportError = true
+				}
+			})
+			.alert("Imported Successfully", isPresented: $viewModel.showImportSuccess) {
+				Button("Dismiss") {}
+			} message: {
+				Text("Import to your \(viewModel.importAccount?.nameForDisplay ?? "") account has completed.")
+			}
+			.alert("Exported Successfully", isPresented: $viewModel.showExportSuccess) {
+				Button("Dismiss") {}
+			} message: {
+				Text("Your OPML file has been successfully exported.")
+			}
+			.alert("Error", isPresented: $viewModel.showImportExportError) {
+				Button("Dismiss") {}
+			} message: {
+				Text(viewModel.importExportError?.localizedDescription ?? "Import/Export Error")
+			}
+		}
+	}
+}

iOS/Settings/Views/General/SettingsViewModel.swift

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+//
+//  SettingsViewModel.swift
+//  NetNewsWire-iOS
+//
+//  Created by Stuart Breckenridge on 29/11/2022.
+//  Copyright © 2022 Ranchero Software. All rights reserved.
+//
+
+import SwiftUI
+import Account
+import UniformTypeIdentifiers
+import UserNotifications
+
+
+public final class SettingsViewModel: ObservableObject {
+	
+	@Published public var showAddAccountView: Bool = false
+	@Published public var helpSheet: HelpSheet = .help
+	@Published public var showHelpSheet: Bool = false
+	@Published public var showAbout: Bool = false
+	@Published public var notificationPermissions: UNAuthorizationStatus = .notDetermined
+	@Published public var importAccount: Account? = nil
+	@Published public var exportAccount: Account? = nil
+	@Published public var showImportView: Bool = false
+	@Published public var showExportView: Bool = false
+	@Published public var showImportExportError: Bool = false
+	@Published public var importExportError: Error?
+	@Published public var showImportSuccess: Bool = false
+	@Published public var showExportSuccess: Bool = false
+	@Published public var exportDocument: OPMLDocument?
+
+}