Kurdtvs-Live-Kurdish-TV-Kur.../Mastodon/Scene/Discovery/Hashtags/DiscoveryHashtagsViewContro...

114 lines
4.0 KiB
Swift

//
// DiscoveryHashtagsViewController.swift
// Mastodon
//
// Created by MainasuK on 2022-4-13.
//
import os.log
import UIKit
import Combine
import MastodonUI
final class DiscoveryHashtagsViewController: UIViewController, NeedsDependency, MediaPreviewableViewController {
let logger = Logger(subsystem: "TrendPostsViewController", category: "ViewController")
weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
var disposeBag = Set<AnyCancellable>()
var viewModel: DiscoveryHashtagsViewModel!
let mediaPreviewTransitionController = MediaPreviewTransitionController()
lazy var tableView: UITableView = {
let tableView = UITableView()
tableView.rowHeight = UITableView.automaticDimension
tableView.estimatedRowHeight = 100
tableView.separatorStyle = .none
tableView.backgroundColor = .clear
return tableView
}()
deinit {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
}
}
extension DiscoveryHashtagsViewController {
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = ThemeService.shared.currentTheme.value.secondarySystemBackgroundColor
ThemeService.shared.currentTheme
.receive(on: DispatchQueue.main)
.sink { [weak self] theme in
guard let self = self else { return }
self.view.backgroundColor = theme.secondarySystemBackgroundColor
}
.store(in: &disposeBag)
tableView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(tableView)
NSLayoutConstraint.activate([
tableView.topAnchor.constraint(equalTo: view.topAnchor),
tableView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
tableView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
tableView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
])
tableView.delegate = self
viewModel.setupDiffableDataSource(
tableView: tableView
)
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
tableView.deselectRow(with: transitionCoordinator, animated: animated)
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
viewModel.viewDidAppeared.send()
}
}
// MARK: - UITableViewDelegate
extension DiscoveryHashtagsViewController: UITableViewDelegate {
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
logger.log(level: .debug, "\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): \(indexPath)")
guard case let .hashtag(tag) = viewModel.diffableDataSource?.itemIdentifier(for: indexPath) else { return }
let hashtagTimelineViewModel = HashtagTimelineViewModel(context: context, hashtag: tag.name)
coordinator.present(
scene: .hashtagTimeline(viewModel: hashtagTimelineViewModel),
from: self,
transition: .show
)
}
func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
guard let cell = cell as? TrendTableViewCell else { return }
guard let diffableDataSource = viewModel.diffableDataSource else { return }
guard let item = diffableDataSource.itemIdentifier(for: indexPath) else { return }
if let lastItem = diffableDataSource.snapshot().itemIdentifiers.last, item == lastItem {
cell.configureSeparator(style: .edge)
}
}
}
// MARK: ScrollViewContainer
extension DiscoveryHashtagsViewController: ScrollViewContainer {
var scrollView: UIScrollView? {
tableView
}
}