350 lines
13 KiB
Swift
350 lines
13 KiB
Swift
//
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// ReportViewController.swift
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// Mastodon
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//
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// Created by ihugo on 2021/4/20.
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//
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import AVKit
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import Combine
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import CoreData
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import CoreDataStack
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import os.log
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import UIKit
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import TwitterTextEditor
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import MastodonSDK
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class ReportViewController: UIViewController, NeedsDependency {
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static let kAnimationDuration: TimeInterval = 0.33
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weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
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weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
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var viewModel: ReportViewModel! { willSet { precondition(!isViewLoaded) } }
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var disposeBag = Set<AnyCancellable>()
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let didToggleSelected = PassthroughSubject<Item, Never>()
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let comment = CurrentValueSubject<String?, Never>(nil)
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let step1Continue = PassthroughSubject<Void, Never>()
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let step1Skip = PassthroughSubject<Void, Never>()
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let step2Continue = PassthroughSubject<Void, Never>()
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let step2Skip = PassthroughSubject<Void, Never>()
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let cancel = PassthroughSubject<Void, Never>()
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// MAKK: - UI
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lazy var header: ReportHeaderView = {
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let view = ReportHeaderView()
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view.translatesAutoresizingMaskIntoConstraints = false
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return view
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}()
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lazy var footer: ReportFooterView = {
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let view = ReportFooterView()
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view.translatesAutoresizingMaskIntoConstraints = false
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return view
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}()
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lazy var contentView: UIView = {
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let view = UIView()
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view.translatesAutoresizingMaskIntoConstraints = false
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view.setContentHuggingPriority(.defaultLow, for: .vertical)
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view.backgroundColor = Asset.Colors.Background.systemElevatedBackground.color
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return view
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}()
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lazy var stackview: UIStackView = {
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let view = UIStackView()
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view.axis = .vertical
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view.alignment = .fill
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view.distribution = .fill
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view.translatesAutoresizingMaskIntoConstraints = false
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return view
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}()
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lazy var tableView: UITableView = {
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let tableView = ControlContainableTableView()
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tableView.register(ReportedStatusTableViewCell.self, forCellReuseIdentifier: String(describing: ReportedStatusTableViewCell.self))
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tableView.rowHeight = UITableView.automaticDimension
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tableView.separatorStyle = .none
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tableView.backgroundColor = .clear
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tableView.translatesAutoresizingMaskIntoConstraints = false
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tableView.delegate = self
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tableView.prefetchDataSource = self
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tableView.allowsMultipleSelection = true
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return tableView
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}()
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lazy var textView: UITextView = {
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let textView = UITextView()
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textView.font = .preferredFont(forTextStyle: .body)
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textView.isScrollEnabled = false
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textView.placeholder = L10n.Scene.Report.textPlaceholder
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textView.backgroundColor = .clear
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textView.delegate = self
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textView.isScrollEnabled = true
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textView.keyboardDismissMode = .onDrag
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return textView
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}()
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lazy var bottomSpacing: UIView = {
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let view = UIView()
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view.translatesAutoresizingMaskIntoConstraints = false
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return view
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}()
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var bottomConstraint: NSLayoutConstraint!
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override func viewDidLoad() {
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super.viewDidLoad()
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setupView()
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viewModel.setupDiffableDataSource(
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for: tableView,
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dependency: self
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)
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bindViewModel()
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bindActions()
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}
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// MAKR: - Private methods
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private func setupView() {
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view.backgroundColor = Asset.Colors.Background.secondarySystemBackground.color
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setupNavigation()
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stackview.addArrangedSubview(header)
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stackview.addArrangedSubview(contentView)
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stackview.addArrangedSubview(footer)
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stackview.addArrangedSubview(bottomSpacing)
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contentView.addSubview(tableView)
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view.addSubview(stackview)
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NSLayoutConstraint.activate([
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stackview.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
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stackview.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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stackview.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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stackview.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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tableView.topAnchor.constraint(equalTo: contentView.topAnchor),
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tableView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
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tableView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
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tableView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
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])
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self.bottomConstraint = bottomSpacing.heightAnchor.constraint(equalToConstant: 0)
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bottomConstraint.isActive = true
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header.step = .one
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}
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private func bindActions() {
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footer.nextStepButton.addTarget(self, action: #selector(continueButtonDidClick), for: .touchUpInside)
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footer.skipButton.addTarget(self, action: #selector(skipButtonDidClick), for: .touchUpInside)
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}
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private func bindViewModel() {
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let input = ReportViewModel.Input(
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didToggleSelected: didToggleSelected.eraseToAnyPublisher(),
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comment: comment.eraseToAnyPublisher(),
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step1Continue: step1Continue.eraseToAnyPublisher(),
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step1Skip: step1Skip.eraseToAnyPublisher(),
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step2Continue: step2Continue.eraseToAnyPublisher(),
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step2Skip: step2Skip.eraseToAnyPublisher(),
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cancel: cancel.eraseToAnyPublisher()
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)
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let output = viewModel.transform(input: input)
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output?.currentStep
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.receive(on: DispatchQueue.main)
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.sink(receiveValue: { [weak self] (step) in
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guard step == .two else { return }
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guard let self = self else { return }
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self.header.step = .two
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self.footer.step = .two
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self.switchToStep2Content()
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})
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.store(in: &disposeBag)
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output?.continueEnableSubject
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.receive(on: DispatchQueue.main)
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.filter { [weak self] _ in
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guard let step = self?.viewModel.currentStep.value, step == .one else { return false }
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return true
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}
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.assign(to: \.nextStepButton.isEnabled, on: footer)
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.store(in: &disposeBag)
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output?.sendEnableSubject
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.receive(on: DispatchQueue.main)
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.filter { [weak self] _ in
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guard let step = self?.viewModel.currentStep.value, step == .two else { return false }
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return true
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}
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.assign(to: \.nextStepButton.isEnabled, on: footer)
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.store(in: &disposeBag)
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output?.reportResult
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.print()
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.receive(on: DispatchQueue.main)
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.sink(receiveCompletion: { _ in
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}, receiveValue: { [weak self] data in
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let (success, error) = data
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if success {
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self?.dismiss(animated: true, completion: nil)
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} else if let error = error {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: fail to file a report : %s", ((#file as NSString).lastPathComponent), #line, #function, error.localizedDescription)
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let alertController = UIAlertController(for: error, title: nil, preferredStyle: .alert)
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let okAction = UIAlertAction(title: "OK", style: .default, handler: nil)
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alertController.addAction(okAction)
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self?.coordinator.present(
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scene: .alertController(alertController: alertController),
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from: nil,
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transition: .alertController(animated: true, completion: nil)
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)
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}
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})
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.store(in: &disposeBag)
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Publishers.CombineLatest(
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KeyboardResponderService.shared.state.eraseToAnyPublisher(),
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KeyboardResponderService.shared.endFrame.eraseToAnyPublisher()
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)
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.sink(receiveValue: { [weak self] state, endFrame in
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guard let self = self else { return }
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guard state == .dock else {
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self.bottomConstraint.constant = 0.0
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return
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}
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let contentFrame = self.view.convert(self.view.frame, to: nil)
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let padding = contentFrame.maxY - endFrame.minY
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guard padding > 0 else {
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self.bottomConstraint.constant = 0.0
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UIView.animate(withDuration: 0.33) {
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self.view.layoutIfNeeded()
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}
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return
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}
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self.bottomConstraint.constant = padding
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UIView.animate(withDuration: 0.33) {
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self.view.layoutIfNeeded()
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}
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})
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.store(in: &disposeBag)
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}
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private func setupNavigation() {
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navigationItem.rightBarButtonItem
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= UIBarButtonItem(barButtonSystemItem: UIBarButtonItem.SystemItem.cancel,
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target: self,
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action: #selector(doneButtonDidClick))
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navigationItem.rightBarButtonItem?.tintColor = Asset.Colors.Label.highlight.color
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// fetch old mastodon user
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let beReportedUser: MastodonUser? = {
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guard let domain = context.authenticationService.activeMastodonAuthenticationBox.value?.domain else {
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return nil
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}
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let request = MastodonUser.sortedFetchRequest
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request.predicate = MastodonUser.predicate(domain: domain, id: viewModel.user.id)
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request.fetchLimit = 1
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request.returnsObjectsAsFaults = false
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do {
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return try viewModel.statusFetchedResultsController.fetchedResultsController.managedObjectContext.fetch(request).first
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} catch {
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assertionFailure(error.localizedDescription)
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return nil
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}
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}()
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navigationItem.title = L10n.Scene.Report.title(
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beReportedUser?.displayNameWithFallback ?? ""
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)
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}
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private func switchToStep2Content() {
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self.contentView.addSubview(self.textView)
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self.textView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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self.textView.topAnchor.constraint(equalTo: self.contentView.topAnchor),
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self.textView.leadingAnchor.constraint(
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equalTo: self.contentView.readableContentGuide.leadingAnchor,
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constant: ReportView.horizontalMargin
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),
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self.textView.bottomAnchor.constraint(equalTo: self.contentView.bottomAnchor),
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self.contentView.trailingAnchor.constraint(
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equalTo: self.textView.trailingAnchor,
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constant: ReportView.horizontalMargin
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),
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])
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self.textView.layoutIfNeeded()
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UIView.transition(
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with: contentView,
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duration: ReportViewController.kAnimationDuration,
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options: UIView.AnimationOptions.transitionCrossDissolve) {
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[weak self] in
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guard let self = self else { return }
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self.contentView.addSubview(self.textView)
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self.tableView.isHidden = true
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} completion: { (_) in
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}
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}
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// Mark: - Actions
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@objc func doneButtonDidClick() {
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dismiss(animated: true, completion: nil)
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}
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@objc func continueButtonDidClick() {
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if viewModel.currentStep.value == .one {
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step1Continue.send()
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} else {
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step2Continue.send()
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}
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}
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@objc func skipButtonDidClick() {
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if viewModel.currentStep.value == .one {
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step1Skip.send()
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} else {
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step2Skip.send()
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}
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}
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}
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// MARK: - UITableViewDelegate
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extension ReportViewController: UITableViewDelegate {
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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guard let item = viewModel.diffableDataSource?.itemIdentifier(for: indexPath) else {
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return
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}
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didToggleSelected.send(item)
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}
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func tableView(_ tableView: UITableView, didDeselectRowAt indexPath: IndexPath) {
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guard let item = viewModel.diffableDataSource?.itemIdentifier(for: indexPath) else {
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return
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}
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didToggleSelected.send(item)
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}
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}
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// MARK: - UITableViewDataSourcePrefetching
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extension ReportViewController: UITableViewDataSourcePrefetching {
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func tableView(_ tableView: UITableView, prefetchRowsAt indexPaths: [IndexPath]) {
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viewModel.prefetchData(prefetchRowsAt: indexPaths)
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}
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}
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// MARK: - UITextViewDelegate
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extension ReportViewController: UITextViewDelegate {
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func textViewDidChange(_ textView: UITextView) {
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self.comment.send(textView.text)
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}
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}
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