metatext-app-ios-iphone-ipad/View Controllers/ReportViewController.swift

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Swift
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// Copyright © 2021 Metabolist. All rights reserved.
import Combine
import UIKit
import ViewModels
final class ReportViewController: TableViewController {
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private let reportButton = UIBarButtonItem(title: nil, style: .done, target: nil, action: nil)
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private let activityIndicatorView = UIActivityIndicatorView(style: .large)
private let viewModel: ReportViewModel
private var cancellables = Set<AnyCancellable>()
init(viewModel: ReportViewModel) {
self.viewModel = viewModel
super.init(viewModel: viewModel)
}
override func viewDidLoad() {
super.viewDidLoad()
navigationItem.title = String.localizedStringWithFormat(
NSLocalizedString("report.target-%@", comment: ""),
viewModel.accountName)
navigationItem.leftBarButtonItem = UIBarButtonItem(
systemItem: .cancel,
primaryAction: UIAction { [weak self] _ in self?.presentingViewController?.dismiss(animated: true) })
navigationItem.rightBarButtonItem = reportButton
reportButton.primaryAction = UIAction(title: NSLocalizedString("report", comment: "")) { [weak self] _ in
self?.viewModel.report()
}
tableView.tableHeaderView = ReportHeaderView(viewModel: viewModel)
view.addSubview(activityIndicatorView)
activityIndicatorView.translatesAutoresizingMaskIntoConstraints = false
activityIndicatorView.hidesWhenStopped = true
viewModel.$reportingState
.sink { [weak self] in self?.apply(reportingState: $0) }
.store(in: &cancellables)
NSLayoutConstraint.activate([
activityIndicatorView.centerXAnchor.constraint(equalTo: view.centerXAnchor),
activityIndicatorView.centerYAnchor.constraint(equalTo: view.centerYAnchor)
])
}
override func tableView(_ tableView: UITableView,
willDisplay cell: UITableViewCell,
forRowAt indexPath: IndexPath) {
super.tableView(tableView, willDisplay: cell, forRowAt: indexPath)
guard let statusView = cell.contentView as? StatusView else { return }
statusView.alpha = 0.75
statusView.buttonsStackView.isHidden = true
statusView.reportSelectionSwitch.isHidden = false
for subview in statusView.subviews {
subview.isUserInteractionEnabled = false
}
}
override func configureRightBarButtonItem(expandAllState: ExpandAllState) {
// no-op
}
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
tableView.deselectRow(at: indexPath, animated: true)
guard let statusViewModel = viewModel.viewModel(indexPath: indexPath) as? StatusViewModel else { return }
if viewModel.elements.statusIds.contains(statusViewModel.id) {
viewModel.elements.statusIds.remove(statusViewModel.id)
} else {
viewModel.elements.statusIds.insert(statusViewModel.id)
}
let selectedForReport = viewModel.elements.statusIds.contains(statusViewModel.id)
statusViewModel.selectedForReport = selectedForReport
guard let statusView = tableView.cellForRow(at: indexPath)?.contentView as? StatusView else { return }
statusView.reportSelectionSwitch.setOn(selectedForReport, animated: true)
statusView.refreshAccessibilityLabel()
}
}
private extension ReportViewController {
func apply(reportingState: ReportViewModel.ReportingState) {
switch reportingState {
case .composing:
activityIndicatorView.stopAnimating()
view.isUserInteractionEnabled = true
reportButton.isEnabled = true
view.alpha = 1
case .reporting:
activityIndicatorView.startAnimating()
view.isUserInteractionEnabled = false
reportButton.isEnabled = false
view.alpha = 0.5
case .done:
presentingViewController?.dismiss(animated: true)
}
}
}