NetNewsWire/iOS/Settings/SettingsFeedbinAccountView....

170 lines
3.5 KiB
Swift

//
// SettingsFeedbinAccountView.swift
// NetNewsWire-iOS
//
// Created by Maurice Parker on 6/11/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import SwiftUI
import Combine
import Account
import RSWeb
struct SettingsFeedbinAccountView : View {
@Environment(\.isPresented) private var isPresented
@ObjectBinding var viewModel: ViewModel
@State var busy: Bool = false
@State var error: Text = Text("")
var body: some View {
NavigationView {
Form {
Section(header:
SettingsAccountLabelView(accountImage: "accountFeedbin", accountLabel: "Feedbin").padding()
) {
HStack {
Text("Email:")
Divider()
TextField($viewModel.email)
.textContentType(.username)
}
HStack {
Text("Password:")
Divider()
SecureField($viewModel.password)
}
}
Section(footer:
HStack {
Spacer()
error.color(.red)
Spacer()
}
) {
HStack {
Spacer()
Button(action: { self.addAccount() }) {
if viewModel.isUpdate {
Text("Update Account")
} else {
Text("Add Account")
}
}
.disabled(!viewModel.isValid)
Spacer()
}
}
}
.disabled(busy)
.navigationBarTitle(Text(""), displayMode: .inline)
.navigationBarItems(leading:
Button(action: { self.dismiss() }) { Text("Cancel") }
)
}
}
private func addAccount() {
busy = true
error = Text("")
let emailAddress = viewModel.email.trimmingCharacters(in: .whitespaces)
let credentials = Credentials.basic(username: emailAddress, password: viewModel.password)
Account.validateCredentials(type: .feedbin, credentials: credentials) { result in
self.busy = false
switch result {
case .success(let authenticated):
if (authenticated != nil) {
var newAccount = false
let workAccount: Account
if self.viewModel.account == nil {
workAccount = AccountManager.shared.createAccount(type: .feedbin)
newAccount = true
} else {
workAccount = self.viewModel.account!
}
do {
do {
try workAccount.removeCredentials()
} catch {}
try workAccount.storeCredentials(credentials)
if newAccount {
workAccount.refreshAll() { result in }
}
self.dismiss()
} catch {
self.error = Text("Keychain error while storing credentials.")
}
} else {
self.error = Text("Invalid email/password combination.")
}
case .failure:
self.error = Text("Network error. Try again later.")
}
}
}
private func dismiss() {
isPresented?.value = false
}
class ViewModel: BindableObject {
let didChange = PassthroughSubject<ViewModel, Never>()
var account: Account? = nil
init() {
}
init(account: Account) {
self.account = account
if case .basic(let username, let password) = try? account.retrieveCredentials() {
self.email = username
self.password = password
}
}
var email: String = "" {
didSet {
didChange.send(self)
}
}
var password: String = "" {
didSet {
didChange.send(self)
}
}
var isUpdate: Bool {
return account != nil
}
var isValid: Bool {
return !email.isEmpty && !password.isEmpty
}
}
}
#if DEBUG
struct SettingsFeedbinAccountView_Previews : PreviewProvider {
static var previews: some View {
SettingsFeedbinAccountView(viewModel: SettingsFeedbinAccountView.ViewModel())
}
}
#endif