// // ConversationTableViewController.swift // Tusker // // Created by Shadowfacts on 8/28/18. // Copyright © 2018 Shadowfacts. All rights reserved. // import UIKit import Pachyderm class ConversationTableViewController: UITableViewController { let router: AppRouter var mainStatusID: String! var statusIDs: [String] = [] { didSet { DispatchQueue.main.async { self.tableView.reloadData() } } } init(for mainStatusID: String, router: AppRouter) { self.mainStatusID = mainStatusID self.router = router super.init(style: .plain) } required init?(coder aDecoder: NSCoder) { fatalError("init(coder:) has not been implemented") } override func viewDidLoad() { super.viewDidLoad() tableView.delegate = self tableView.dataSource = self tableView.register(UINib(nibName: "StatusTableViewCell", bundle: nil), forCellReuseIdentifier: "statusCell") tableView.register(UINib(nibName: "ConversationMainStatusTableViewCell", bundle: nil), forCellReuseIdentifier: "mainStatusCell") statusIDs = [mainStatusID] guard let mainStatus = MastodonCache.status(for: mainStatusID) else { fatalError("Missing cached status \(mainStatusID!)") } let request = Status.getContext(mainStatus) MastodonController.client.run(request) { response in guard case let .success(context, _) = response else { fatalError() } let parents = self.getDirectParents(of: mainStatus, from: context.ancestors) MastodonCache.addAll(statuses: parents) MastodonCache.addAll(statuses: context.descendants) self.statusIDs = parents.map { $0.id } + [self.mainStatusID] + context.descendants.map { $0.id } let indexPath = IndexPath(row: self.statusIDs.firstIndex(of: self.mainStatusID)!, section: 0) DispatchQueue.main.async { self.tableView.scrollToRow(at: indexPath, at: .middle, animated: false) } } registerForPreviewing(with: self, sourceView: view) } override func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) for cell in tableView.visibleCells { if let cell = cell as? PreferencesAdaptive { cell.updateUIForPreferences() } } } override var previewActionItems: [UIPreviewActionItem] { var actions = [UIPreviewActionItem]() if let status = MastodonCache.status(for: mainStatusID), let url = status.url { actions.append(UIPreviewAction(title: "Open in Safari", style: .default, handler: { (_, _) in let vc = self.router.safariViewController(for: url) UIApplication.shared.delegate!.window!!.rootViewController!.present(vc, animated: true) })) actions.append(UIPreviewAction(title: "Share", style: .default, handler: { (_, _) in let vc = UIActivityViewController(activityItems: [url], applicationActivities: nil) UIApplication.shared.delegate!.window!!.rootViewController!.present(vc, animated: true) })) } return actions } func getDirectParents(of status: Status, from statuses: [Status]) -> [Status] { var statuses = statuses var parents: [Status] = [] var currentStatus: Status? = status while currentStatus != nil { guard let index = statuses.firstIndex(where: { $0.id == currentStatus!.inReplyToID }) else { break } let parent = statuses.remove(at: index) parents.insert(parent, at: 0) currentStatus = parent } return parents } // MARK: - Table view data source override func numberOfSections(in tableView: UITableView) -> Int { return 1 } override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { return statusIDs.count } override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { let statusID = statusIDs[indexPath.row] if statusID == mainStatusID { guard let cell = tableView.dequeueReusableCell(withIdentifier: "mainStatusCell", for: indexPath) as? ConversationMainStatusTableViewCell else { fatalError() } cell.selectionStyle = .none cell.updateUI(for: statusID) cell.delegate = self return cell } else { guard let cell = tableView.dequeueReusableCell(withIdentifier: "statusCell", for: indexPath) as? StatusTableViewCell else { fatalError() } cell.updateUI(for: statusID) cell.delegate = self return cell } } override func tableView(_ tableView: UITableView, willSelectRowAt indexPath: IndexPath) -> IndexPath? { let statusID = statusIDs[indexPath.row] return statusID == mainStatusID ? nil : indexPath } override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool { return tableView.cellForRow(at: indexPath) is TableViewSwipeActionProvider } override func tableView(_ tableView: UITableView, leadingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? { return (tableView.cellForRow(at: indexPath) as? TableViewSwipeActionProvider)?.leadingSwipeActionsConfiguration() } override func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? { return (tableView.cellForRow(at: indexPath) as? TableViewSwipeActionProvider)?.trailingSwipeActionsConfiguration() } } extension ConversationTableViewController: StatusTableViewCellDelegate {}