oncall-mobile-ios/ntfy/Views/SettingsView.swift
2022-06-05 15:12:10 -04:00

301 lines
10 KiB
Swift

import Foundation
import SwiftUI
struct SettingsView: View {
@EnvironmentObject private var store: Store
var body: some View {
NavigationView {
Form {
Section(header: Text("General")) {
DefaultServerView()
}
Section(
header: Text("Users"),
footer: Text("To access read-protected topics, you may add or edit users here. All topics for a given server will use the same user.")
) {
UserTableView()
}
Section(header: Text("About")) {
HStack {
Text("Version")
Spacer()
Text("ntfy \(Config.version) (\(Config.build))")
.foregroundColor(.gray)
}
}
}
.navigationTitle("Settings")
}
.navigationViewStyle(StackNavigationViewStyle())
}
}
struct DefaultServerView: View {
@EnvironmentObject private var store: Store
@State private var showDialog = false
@State private var defaultBaseUrl = ""
var body: some View {
Button(action: {
showDialog = true
}) {
HStack {
Text("Default server")
.foregroundColor(.primary)
Spacer()
Text("ntfy.sh")
.foregroundColor(.gray)
}
.contentShape(Rectangle())
}
.sheet(isPresented: $showDialog) {
NavigationView {
Form {
Section(
footer: Text("When subscribing to new topics, this server will be used as a default. Note that if you pick your own ntfy server, you must configure upstream-base-url to receive instant push notifications.")
) {
TextField(Config.appBaseUrl, text: $defaultBaseUrl)
.disableAutocapitalization()
.disableAutocorrection(true)
}
}
.navigationTitle("Default server")
.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItem(placement: .navigationBarLeading) {
Button(action: cancelAction) {
Text("Cancel")
}
}
ToolbarItem(placement: .navigationBarTrailing) {
Button(action: saveAction) {
Text("Save")
}
.disabled(!isValid())
}
}
}
}
}
private func saveAction() {
resetAndHide()
}
private func cancelAction() {
resetAndHide()
}
private func isValid() -> Bool {
if !defaultBaseUrl.isEmpty && defaultBaseUrl.range(of: "^https?://.+", options: .regularExpression, range: nil, locale: nil) == nil {
return false
}
return true
}
private func resetAndHide() {
showDialog = false
DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
// Hide first and then reset, otherwise we'll see the text fields change
defaultBaseUrl = ""
}
}
}
struct UserTableView: View {
@EnvironmentObject private var store: Store
@FetchRequest(sortDescriptors: [NSSortDescriptor(keyPath: \User.baseUrl, ascending: true)]) var users: FetchedResults<User>
@State private var selectedUser: User?
@State private var showDialog = false
@State private var baseUrl: String = ""
@State private var username: String = ""
@State private var password: String = ""
var body: some View {
let _ = selectedUser?.username // Workaround for FB7823148, see https://developer.apple.com/forums/thread/652080
List {
ForEach(users) { user in
Button(action: {
selectedUser = user
baseUrl = user.baseUrl ?? "?"
username = user.username ?? "?"
showDialog = true
}) {
UserRowView(user: user)
.foregroundColor(.primary)
}
}
Button(action: {
showDialog = true
}) {
HStack {
Image(systemName: "plus")
Text("Add user")
}
.foregroundColor(.primary)
}
.padding(.all, 4)
}
.sheet(isPresented: $showDialog) {
NavigationView {
Form {
Section(
footer: (selectedUser == nil)
? Text("You can add a user here. All topics for the given server will use this user.")
: Text("Edit the username or password for \(shortUrl(url: baseUrl)) here. This user is used for all topics of this server. Leave the password blank to leave it unchanged.")
) {
if selectedUser == nil {
TextField("Service URL, e.g. https://ntfy.home.io", text: $baseUrl)
.disableAutocapitalization()
.disableAutocorrection(true)
}
TextField("Username", text: $username)
.disableAutocapitalization()
.disableAutocorrection(true)
SecureField("Password", text: $password)
}
}
.navigationTitle(selectedUser == nil ? "Add user" : "Edit user")
.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItem(placement: .navigationBarLeading) {
// Sigh, for iOS 14 we need to add a "Delete" menu item, because it doesn't support
// swipe actions. Quite annoying.
if #available(iOS 15.0, *) {
Button(action: cancelAction) {
Text("Cancel")
}
} else {
if selectedUser == nil {
Button("Cancel") {
cancelAction()
}
} else {
Menu {
Button("Cancel") {
cancelAction()
}
Button("Delete") {
deleteAction()
}
} label: {
Image(systemName: "ellipsis.circle")
.padding([.leading], 40)
}
}
}
}
ToolbarItem(placement: .navigationBarTrailing) {
Button(action: saveAction) {
Text("Save")
}
.disabled(!isValid())
}
}
}
}
}
private func saveAction() {
var password = password
if let user = selectedUser, password == "" {
password = user.password ?? "?" // If password is blank, leave unchanged
}
store.saveUser(baseUrl: baseUrl, username: username, password: password)
resetAndHide()
}
private func cancelAction() {
resetAndHide()
}
private func deleteAction() {
store.delete(user: selectedUser!)
resetAndHide()
}
private func isValid() -> Bool {
if selectedUser == nil { // New user
if baseUrl.range(of: "^https?://.+", options: .regularExpression, range: nil, locale: nil) == nil {
return false
} else if username.isEmpty || password.isEmpty {
return false
} else if store.getUser(baseUrl: baseUrl) != nil {
return false
}
} else { // Existing user
if username.isEmpty {
return false
}
}
return true
}
private func resetAndHide() {
showDialog = false
DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
// Hide first and then reset, otherwise we'll see the text fields change
selectedUser = nil
baseUrl = ""
username = ""
password = ""
}
}
}
struct UserRowView: View {
@EnvironmentObject private var store: Store
@ObservedObject var user: User
var body: some View {
if #available(iOS 15.0, *) {
userRow
.swipeActions(edge: .trailing) {
Button(role: .destructive) {
store.delete(user: user)
} label: {
Label("Delete", systemImage: "trash.circle")
}
}
} else {
userRow
}
}
private var userRow: some View {
HStack {
Image(systemName: "person.fill")
VStack(alignment: .leading, spacing: 0) {
VStack(alignment: .leading, spacing: 0) {
Text(user.username ?? "?")
Text(user.baseUrl ?? "?")
.font(.subheadline)
.foregroundColor(.gray)
}
}
Spacer()
Image(systemName: "chevron.forward")
.font(.system(size: 12.0))
.foregroundColor(.gray)
}
.padding(.all, 4)
}
}
struct SettingsView_Previews: PreviewProvider {
static var previews: some View {
let store = Store.preview // Store.previewEmpty
SettingsView()
.environment(\.managedObjectContext, store.context)
.environmentObject(store)
.environmentObject(AppDelegate())
}
}