Rename AddWebFeed controller classes to AddFeed since they are now used for other feed types

iOS/Add/AddFeedViewController.swift

@@ -0,0 +1,213 @@
+//
+//  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
+
+enum AddFeedType {
+	case web
+	case reddit
+	case twitter
+}
+
+class AddFeedViewController: UITableViewController {
+	
+	@IBOutlet weak var activityIndicator: UIActivityIndicatorView!
+	@IBOutlet weak var addButton: UIBarButtonItem!
+	@IBOutlet weak var urlTextField: UITextField!
+	@IBOutlet weak var urlTextFieldToSuperViewConstraint: NSLayoutConstraint!
+	@IBOutlet weak var nameTextField: UITextField!
+	
+	static let preferredContentSizeForFormSheetDisplay = CGSize(width: 460.0, height: 400.0)
+	
+	private var folderLabel = ""
+	private var userCancelled = false
+
+	var addFeedType = AddFeedType.web
+	var initialFeed: String?
+	var initialFeedName: String?
+
+	var container: Container?
+	
+	override func viewDidLoad() {
+        super.viewDidLoad()
+		
+		switch addFeedType {
+		case .reddit:
+			navigationItem.title = NSLocalizedString("Add Reddit Feed", comment: "Add Reddit Feed")
+			navigationItem.leftBarButtonItem = nil
+		case .twitter:
+			navigationItem.title = NSLocalizedString("Add Twitter Feed", comment: "Add Twitter Feed")
+			navigationItem.leftBarButtonItem = nil
+		default:
+			break
+		}
+		
+		activityIndicator.isHidden = true
+		activityIndicator.color = .label
+		
+		if initialFeed == nil, let urlString = UIPasteboard.general.string {
+			if urlString.mayBeURL {
+				initialFeed = urlString.normalizedURL
+			}
+		}
+		
+		urlTextField.autocorrectionType = .no
+		urlTextField.autocapitalizationType = .none
+		urlTextField.text = initialFeed
+		urlTextField.delegate = self
+		
+		if initialFeed != nil {
+			addButton.isEnabled = true
+		}
+		
+		nameTextField.text = initialFeedName
+		nameTextField.delegate = self
+		
+		if let defaultContainer = AddWebFeedDefaultContainer.defaultContainer {
+			container = defaultContainer
+		} else {
+			addButton.isEnabled = false
+		}
+		
+		updateFolderLabel()
+		
+		tableView.register(UINib(nibName: "AddFeedSelectFolderTableViewCell", bundle: nil), forCellReuseIdentifier: "AddFeedSelectFolderTableViewCell")
+
+		NotificationCenter.default.addObserver(self, selector: #selector(textDidChange(_:)), name: UITextField.textDidChangeNotification, object: urlTextField)
+		
+		if initialFeed == nil {
+			urlTextField.becomeFirstResponder()
+		}
+	}
+	
+	@IBAction func cancel(_ sender: Any) {
+		userCancelled = true
+		dismiss(animated: true)
+	}
+	
+	@IBAction func add(_ sender: Any) {
+
+		let urlString = urlTextField.text ?? ""
+		let normalizedURLString = urlString.normalizedURL
+		
+		guard !normalizedURLString.isEmpty, let url = URL(unicodeString: normalizedURLString) else {
+			return
+		}
+		
+		guard let container = container else { return }
+		
+		var account: Account?
+		if let containerAccount = container as? Account {
+			account = containerAccount
+		} else if let containerFolder = container as? Folder, let containerAccount = containerFolder.account {
+			account = containerAccount
+		}
+		
+		if account!.hasWebFeed(withURL: url.absoluteString) {
+			presentError(AccountError.createErrorAlreadySubscribed)
+ 			return
+		}
+		
+		addButton.isEnabled = false
+		activityIndicator.isHidden = false
+		activityIndicator.startAnimating()
+		
+		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()
+			
+			switch result {
+			case .success(let feed):
+				self.dismiss(animated: true)
+				NotificationCenter.default.post(name: .UserDidAddFeed, object: self, userInfo: [UserInfoKey.webFeed: feed])
+			case .failure(let error):
+				self.addButton.isEnabled = true
+				self.activityIndicator.isHidden = true
+				self.activityIndicator.stopAnimating()
+				self.presentError(error)
+			}
+
+		}
+
+	}
+	
+	@objc func textDidChange(_ note: Notification) {
+		updateUI()
+	}
+	
+	override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+		if indexPath.row == 2 {
+			let cell = tableView.dequeueReusableCell(withIdentifier: "AddFeedSelectFolderTableViewCell", for: indexPath) as? AddFeedSelectFolderTableViewCell
+			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! AddFeedFolderViewController
+			folderViewController.delegate = self
+			folderViewController.initialContainer = container
+			present(navController, animated: true)
+		}
+	}
+	
+}
+
+// MARK: AddWebFeedFolderViewControllerDelegate
+
+extension AddFeedViewController: AddFeedFolderViewControllerDelegate {
+	func didSelect(container: Container) {
+		self.container = container
+		updateFolderLabel()
+		AddWebFeedDefaultContainer.saveDefaultContainer(container)
+	}
+}
+
+// MARK: UITextFieldDelegate
+
+extension AddFeedViewController: UITextFieldDelegate {
+	
+	func textFieldShouldReturn(_ textField: UITextField) -> Bool {
+		textField.resignFirstResponder()
+		return true
+	}
+	
+}
+
+// MARK: Private
+
+private extension AddFeedViewController {
+	
+	func updateUI() {
+		addButton.isEnabled = (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()
+		}
+	}
+}