225 lines
8.2 KiB
Swift
225 lines
8.2 KiB
Swift
//
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// EditListAccountsViewController.swift
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// Tusker
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//
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// Created by Shadowfacts on 12/17/19.
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// Copyright © 2019 Shadowfacts. All rights reserved.
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//
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import UIKit
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import Pachyderm
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import Combine
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class EditListAccountsViewController: EnhancedTableViewController {
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private var list: List
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let mastodonController: MastodonController
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var changedAccounts = false
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var dataSource: DataSource!
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var nextRange: RequestRange?
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var searchResultsController: SearchResultsViewController!
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var searchController: UISearchController!
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private var listRenamedCancellable: AnyCancellable?
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init(list: List, mastodonController: MastodonController) {
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self.list = list
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self.mastodonController = mastodonController
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super.init(style: .plain)
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listChanged()
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listRenamedCancellable = mastodonController.$lists
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.compactMap { $0.first { $0.id == list.id } }
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.removeDuplicates(by: { $0.title == $1.title })
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.sink { [unowned self] in
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self.list = $0
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self.listChanged()
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}
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemeneted")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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tableView.register(UINib(nibName: "AccountTableViewCell", bundle: .main), forCellReuseIdentifier: "accountCell")
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tableView.rowHeight = UITableView.automaticDimension
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tableView.estimatedRowHeight = 66
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tableView.allowsSelection = false
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tableView.backgroundColor = .appGroupedBackground
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dataSource = DataSource(tableView: tableView, cellProvider: { (tableView, indexPath, item) -> UITableViewCell? in
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guard case let .account(id) = item else { fatalError() }
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let cell = tableView.dequeueReusableCell(withIdentifier: "accountCell", for: indexPath) as! AccountTableViewCell
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cell.delegate = self
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cell.updateUI(accountID: id)
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cell.configurationUpdateHandler = { cell, state in
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var config = UIBackgroundConfiguration.listGroupedCell().updated(for: state)
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if state.isHighlighted || state.isSelected {
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config.backgroundColor = .appSelectedCellBackground
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} else {
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config.backgroundColor = .appGroupedCellBackground
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}
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cell.backgroundConfiguration = config
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}
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return cell
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})
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dataSource.editListAccountsController = self
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searchResultsController = SearchResultsViewController(mastodonController: mastodonController, scope: .people)
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searchResultsController.following = true
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searchResultsController.delegate = self
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searchController = UISearchController(searchResultsController: searchResultsController)
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searchController.hidesNavigationBarDuringPresentation = false
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searchController.searchResultsUpdater = searchResultsController
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searchController.searchBar.autocapitalizationType = .none
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searchController.searchBar.placeholder = NSLocalizedString("Search accounts you follow", comment: "edit list search field placeholder")
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searchController.searchBar.delegate = searchResultsController
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definesPresentationContext = true
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navigationItem.searchController = searchController
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navigationItem.hidesSearchBarWhenScrolling = false
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if #available(iOS 16.0, *) {
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navigationItem.preferredSearchBarPlacement = .stacked
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}
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navigationItem.rightBarButtonItem = UIBarButtonItem(title: NSLocalizedString("Rename", comment: "rename list button title"), style: .plain, target: self, action: #selector(renameButtonPressed))
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Task {
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await loadAccounts()
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}
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}
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private func listChanged() {
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title = String(format: NSLocalizedString("Edit %@", comment: "edit list screen title"), list.title)
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}
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func loadAccounts() async {
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do {
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let request = List.getAccounts(list.id)
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let (accounts, pagination) = try await mastodonController.run(request)
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self.nextRange = pagination?.older
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await withCheckedContinuation { continuation in
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mastodonController.persistentContainer.addAll(accounts: accounts) {
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continuation.resume()
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}
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}
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var snapshot = self.dataSource.snapshot()
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if snapshot.indexOfSection(.accounts) == nil {
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snapshot.appendSections([.accounts])
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} else {
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snapshot.deleteItems(snapshot.itemIdentifiers(inSection: .accounts))
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}
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snapshot.appendItems(accounts.map { .account(id: $0.id) })
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await dataSource.apply(snapshot)
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} catch {
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let config = ToastConfiguration(from: error, with: "Error Loading Accounts", in: self) { [unowned self] toast in
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toast.dismissToast(animated: true)
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await self.loadAccounts()
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}
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self.showToast(configuration: config, animated: true)
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}
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}
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private func addAccount(id: String) async {
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changedAccounts = true
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do {
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let req = List.add(list.id, accounts: [id])
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_ = try await mastodonController.run(req)
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self.searchController.isActive = false
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await self.loadAccounts()
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} catch {
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let config = ToastConfiguration(from: error, with: "Error Adding Account", in: self) { [unowned self] toast in
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toast.dismissToast(animated: true)
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await self.addAccount(id: id)
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}
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self.showToast(configuration: config, animated: true)
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}
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}
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private func removeAccount(id: String) async {
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changedAccounts = true
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do {
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let request = List.remove(list.id, accounts: [id])
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_ = try await mastodonController.run(request)
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await self.loadAccounts()
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} catch {
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let config = ToastConfiguration(from: error, with: "Error Removing Account", in: self) { [unowned self] toast in
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toast.dismissToast(animated: true)
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await self.removeAccount(id: id)
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}
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self.showToast(configuration: config, animated: true)
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}
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}
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// MARK: - Table view delegate
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override func tableView(_ tableView: UITableView, editingStyleForRowAt indexPath: IndexPath) -> UITableViewCell.EditingStyle {
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return .delete
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}
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// MARK: - Interaction
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@objc func renameButtonPressed() {
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RenameListService(list: list, mastodonController: mastodonController, present: { self.present($0, animated: true) }).run()
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}
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}
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extension EditListAccountsViewController {
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enum Section: Hashable {
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case accounts
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}
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enum Item: Hashable {
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case account(id: String)
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}
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class DataSource: UITableViewDiffableDataSource<Section, Item> {
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weak var editListAccountsController: EditListAccountsViewController?
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override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
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return true
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}
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override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
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guard editingStyle == .delete,
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case let .account(id) = itemIdentifier(for: indexPath) else {
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return
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}
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Task {
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await self.editListAccountsController?.removeAccount(id: id)
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}
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}
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}
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}
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extension EditListAccountsViewController: TuskerNavigationDelegate {
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var apiController: MastodonController! { mastodonController }
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}
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extension EditListAccountsViewController: ToastableViewController {
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}
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extension EditListAccountsViewController: MenuActionProvider {
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}
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extension EditListAccountsViewController: SearchResultsViewControllerDelegate {
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func selectedSearchResult(account accountID: String) {
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Task {
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await addAccount(id: accountID)
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}
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}
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}
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