NetNewsWire/iOS/Add/AddWebFeedViewController.swift

215 lines
6.1 KiB
Swift
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//
// AddFeedViewController.swift
// NetNewsWire
//
// Created by Maurice Parker on 4/16/19.
// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
//
import UIKit
import Account
import RSCore
import RSTree
import RSParser
class AddWebFeedViewController: UITableViewController, AddContainerViewControllerChild {
@IBOutlet private weak var urlTextField: UITextField!
@IBOutlet weak var urlTextFieldToSuperViewConstraint: NSLayoutConstraint!
@IBOutlet weak var urlBuilderButton: UIButton!
@IBOutlet private weak var nameTextField: UITextField!
private var folderLabel = ""
private var userCancelled = false
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weak var delegate: AddContainerViewControllerChildDelegate?
var initialFeed: String?
var initialFeedName: String?
var container: Container?
override func viewDidLoad() {
super.viewDidLoad()
if initialFeed == nil, let urlString = UIPasteboard.general.string {
if urlString.mayBeURL {
initialFeed = urlString.normalizedURL
}
}
urlTextField.autocorrectionType = .no
urlTextField.autocapitalizationType = .none
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urlTextField.text = initialFeed
urlTextField.delegate = self
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if ExtensionPointManager.shared.isTwitterEnabled {
urlTextFieldToSuperViewConstraint.isActive = false
urlTextField.trailingAnchor.constraint(equalTo: urlBuilderButton.leadingAnchor, constant: -8).isActive = true
} else {
urlBuilderButton.isHidden = true
}
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if initialFeed != nil {
delegate?.readyToAdd(state: true)
}
nameTextField.text = initialFeedName
nameTextField.delegate = self
if let defaultContainer = AddWebFeedDefaultContainer.defaultContainer {
container = defaultContainer
} else {
delegate?.readyToAdd(state: false)
}
updateFolderLabel()
// I couldn't figure out the gap at the top of the UITableView, so I took a hammer to it.
tableView.contentInset = UIEdgeInsets(top: -28, left: 0, bottom: 0, right: 0)
tableView.register(UINib(nibName: "AddWebFeedSelectFolderTableViewCell", bundle: nil), forCellReuseIdentifier: "AddWebFeedSelectFolderTableViewCell")
NotificationCenter.default.addObserver(self, selector: #selector(textDidChange(_:)), name: UITextField.textDidChangeNotification, object: urlTextField)
}
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@IBAction func showURLBuilder(_ sender: Any) {
let navController = UIStoryboard.add.instantiateViewController(withIdentifier: "SelectURLBuilderNavViewController") as! UINavigationController
navController.modalPresentationStyle = .currentContext
let selectURLBuilder = navController.topViewController as! SelectURLBuilderTableViewController
selectURLBuilder.delegate = self
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present(navController, animated: true)
}
func cancel() {
userCancelled = true
delegate?.processingDidCancel()
}
func add() {
let urlString = urlTextField.text ?? ""
let normalizedURLString = urlString.normalizedURL
guard !normalizedURLString.isEmpty, let url = URL(string: normalizedURLString) else {
delegate?.processingDidCancel()
return
}
guard let container = container else { return }
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var account: Account?
if let containerAccount = container as? Account {
account = containerAccount
} else if let containerFolder = container as? Folder, let containerAccount = containerFolder.account {
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account = containerAccount
}
if account!.hasWebFeed(withURL: url.absoluteString) {
presentError(AccountError.createErrorAlreadySubscribed)
return
}
delegate?.processingDidBegin()
let feedName = (nameTextField.text?.isEmpty ?? true) ? nil : nameTextField.text
BatchUpdate.shared.start()
account!.createWebFeed(url: url.absoluteString, name: feedName, container: container) { result in
BatchUpdate.shared.end()
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switch result {
case .success(let feed):
self.delegate?.processingDidEnd()
NotificationCenter.default.post(name: .UserDidAddFeed, object: self, userInfo: [UserInfoKey.webFeed: feed])
case .failure(let error):
self.presentError(error)
self.delegate?.processingDidCancel()
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}
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}
}
@objc func textDidChange(_ note: Notification) {
updateUI()
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
if indexPath.row == 2 {
let cell = tableView.dequeueReusableCell(withIdentifier: "AddWebFeedSelectFolderTableViewCell", for: indexPath) as? AddWebFeedSelectFolderTableViewCell
cell!.detailLabel.text = folderLabel
return cell!
} else {
return super.tableView(tableView, cellForRowAt: indexPath)
}
}
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
if indexPath.row == 2 {
let navController = UIStoryboard.add.instantiateViewController(withIdentifier: "AddWebFeedFolderNavViewController") as! UINavigationController
navController.modalPresentationStyle = .currentContext
let folderViewController = navController.topViewController as! AddWebFeedFolderViewController
folderViewController.delegate = self
folderViewController.initialContainer = container
present(navController, animated: true)
}
}
}
// MARK: AddWebFeedFolderViewControllerDelegate
extension AddWebFeedViewController: AddWebFeedFolderViewControllerDelegate {
func didSelect(container: Container) {
self.container = container
updateFolderLabel()
AddWebFeedDefaultContainer.saveDefaultContainer(container)
}
}
// MARK: AddWebFeedFolderViewControllerDelegate
extension AddWebFeedViewController: SelectURLBuilderDelegate {
func selectURLBuilderDidBuildURL(_ url: URL) {
urlTextField.text = url.absoluteString
updateUI()
}
}
// MARK: UITextFieldDelegate
extension AddWebFeedViewController: UITextFieldDelegate {
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
textField.resignFirstResponder()
return true
}
}
// MARK: Private
private extension AddWebFeedViewController {
func updateUI() {
delegate?.readyToAdd(state: urlTextField.text?.mayBeURL ?? false)
}
func updateFolderLabel() {
if let containerName = (container as? DisplayNameProvider)?.nameForDisplay {
if container is Folder {
folderLabel = "\(container?.account?.nameForDisplay ?? "") / \(containerName)"
} else {
folderLabel = containerName
}
tableView.reloadData()
}
}
}