NetNewsWire/iOS/Account/FeedWranglerAccountViewCont...

173 lines
5.7 KiB
Swift
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2019-11-25 06:26:03 +01:00
//
// FeedWranglerAccountViewController.swift
// NetNewsWire
//
// Created by Jonathan Bennett on 2019-11-24.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import UIKit
import Account
import RSWeb
import Secrets
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class FeedWranglerAccountViewController: UITableViewController {
@IBOutlet weak var activityIndicator: UIActivityIndicatorView!
@IBOutlet weak var cancelBarButtonItem: UIBarButtonItem!
@IBOutlet weak var emailTextField: UITextField!
@IBOutlet weak var passwordTextField: UITextField!
@IBOutlet weak var showHideButton: UIButton!
@IBOutlet weak var actionButton: UIButton!
weak var account: Account?
weak var delegate: AddAccountDismissDelegate?
override func viewDidLoad() {
super.viewDidLoad()
activityIndicator.isHidden = true
emailTextField.delegate = self
passwordTextField.delegate = self
if let account = account, let credentials = try? account.retrieveCredentials(type: .feedWranglerBasic) {
actionButton.setTitle(NSLocalizedString("Update Credentials", comment: "Update Credentials"), for: .normal)
emailTextField.text = credentials.username
passwordTextField.text = credentials.secret
} else {
actionButton.setTitle(NSLocalizedString("Add Account", comment: "Update Credentials"), for: .normal)
}
NotificationCenter.default.addObserver(self, selector: #selector(textDidChange(_:)), name: UITextField.textDidChangeNotification, object: emailTextField)
NotificationCenter.default.addObserver(self, selector: #selector(textDidChange(_:)), name: UITextField.textDidChangeNotification, object: passwordTextField)
tableView.register(ImageHeaderView.self, forHeaderFooterViewReuseIdentifier: "SectionHeader")
}
override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
return section == 0 ? ImageHeaderView.rowHeight : super.tableView(tableView, heightForHeaderInSection: section)
}
override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
if section == 0 {
let headerView = tableView.dequeueReusableHeaderFooterView(withIdentifier: "SectionHeader") as! ImageHeaderView
headerView.imageView.image = AppAssets.image(for: .feedWrangler)
return headerView
} else {
return super.tableView(tableView, viewForHeaderInSection: section)
}
}
@IBAction func cancel(_ sender: Any) {
dismiss(animated: true, completion: nil)
}
@IBAction func showHidePassword(_ sender: Any) {
if passwordTextField.isSecureTextEntry {
passwordTextField.isSecureTextEntry = false
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showHideButton.setTitle(NSLocalizedString("Hide", comment: "Button Label"), for: .normal)
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} else {
passwordTextField.isSecureTextEntry = true
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showHideButton.setTitle(NSLocalizedString("Show", comment: "Button Label"), for: .normal)
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}
}
@IBAction func action(_ sender: Any) {
guard let email = emailTextField.text, let password = passwordTextField.text else {
showError(NSLocalizedString("Username & password required.", comment: "Credentials Error"))
return
}
resignFirstResponder()
toggleActivityIndicatorAnimation(visible: true)
setNavigationEnabled(to: false)
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// When you fill in the email address via auto-complete it adds extra whitespace
let trimmedEmail = email.trimmingCharacters(in: .whitespaces)
let credentials = Credentials(type: .feedWranglerBasic, username: trimmedEmail, secret: password)
Account.validateCredentials(type: .feedWrangler, credentials: credentials) { result in
self.toggleActivityIndicatorAnimation(visible: false)
self.setNavigationEnabled(to: true)
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switch result {
case .success(let validatedCredentials):
guard let validatedCredentials = validatedCredentials else {
self.showError(NSLocalizedString("Invalid email/password combination.", comment: "Credentials Error"))
return
}
var newAccount = false
if self.account == nil {
self.account = AccountManager.shared.createAccount(type: .feedWrangler)
newAccount = true
}
do {
try self.account?.removeCredentials(type: .feedWranglerBasic)
try self.account?.removeCredentials(type: .feedWranglerToken)
try self.account?.storeCredentials(credentials)
try self.account?.storeCredentials(validatedCredentials)
if newAccount {
self.account?.refreshAll { result in
switch result {
case .success:
break
case .failure(let error):
self.presentError(error)
}
}
}
self.dismiss(animated: true, completion: nil)
self.delegate?.dismiss()
} catch {
self.showError(NSLocalizedString("Keychain error while storing credentials.", comment: "Credentials Error"))
}
case .failure:
self.showError(NSLocalizedString("Network error. Try again later.", comment: "Credentials Error"))
}
}
}
@objc func textDidChange(_ note: Notification) {
actionButton.isEnabled = !(emailTextField.text?.isEmpty ?? false) && !(passwordTextField.text?.isEmpty ?? false)
}
private func showError(_ message: String) {
presentError(title: NSLocalizedString("Error", comment: "Credentials Error"), message: message)
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}
private func setNavigationEnabled(to value:Bool){
cancelBarButtonItem.isEnabled = value
actionButton.isEnabled = value
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}
private func toggleActivityIndicatorAnimation(visible value: Bool){
activityIndicator.isHidden = !value
if value {
activityIndicator.startAnimating()
} else {
activityIndicator.stopAnimating()
}
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}
}
extension FeedWranglerAccountViewController: UITextFieldDelegate {
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
if textField == emailTextField {
passwordTextField.becomeFirstResponder()
} else {
textField.resignFirstResponder()
action(self)
}
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return true
}
}