129 lines
5.0 KiB
Swift
129 lines
5.0 KiB
Swift
//
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// SearchHistoryViewController.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-7-13.
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//
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import UIKit
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import Combine
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import CoreDataStack
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final class SearchHistoryViewController: UIViewController, NeedsDependency {
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var disposeBag = Set<AnyCancellable>()
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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: SearchHistoryViewModel!
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let searchHistoryTableHeaderView = SearchHistoryTableHeaderView()
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let tableView: UITableView = {
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let tableView = UITableView()
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tableView.register(SearchResultTableViewCell.self, forCellReuseIdentifier: String(describing: SearchResultTableViewCell.self))
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// tableView.register(StatusTableViewCell.self, forCellReuseIdentifier: String(describing: StatusTableViewCell.self))
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tableView.separatorStyle = .none
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tableView.tableFooterView = UIView()
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tableView.backgroundColor = .clear
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return tableView
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}()
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}
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extension SearchHistoryViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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setupBackgroundColor(theme: ThemeService.shared.currentTheme.value)
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ThemeService.shared.currentTheme
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.receive(on: RunLoop.main)
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.sink { [weak self] theme in
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guard let self = self else { return }
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self.setupBackgroundColor(theme: theme)
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}
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.store(in: &disposeBag)
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tableView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(tableView)
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NSLayoutConstraint.activate([
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tableView.topAnchor.constraint(equalTo: view.topAnchor),
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tableView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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tableView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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tableView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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])
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tableView.delegate = self
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viewModel.setupDiffableDataSource(
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tableView: tableView,
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dependency: self
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)
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searchHistoryTableHeaderView.delegate = self
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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tableView.deselectRow(with: transitionCoordinator, animated: animated)
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}
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}
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extension SearchHistoryViewController {
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private func setupBackgroundColor(theme: Theme) {
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view.backgroundColor = theme.systemGroupedBackgroundColor
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}
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}
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// MARK: - UITableViewDelegate
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extension SearchHistoryViewController: UITableViewDelegate {
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func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
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switch section {
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case 0:
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return searchHistoryTableHeaderView
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default:
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return UIView()
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}
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}
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func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
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switch section {
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case 0:
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return UITableView.automaticDimension
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default:
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return .leastNonzeroMagnitude
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}
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}
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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guard let diffableDataSource = viewModel.diffableDataSource else { return }
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guard let item = diffableDataSource.itemIdentifier(for: indexPath) else { return }
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viewModel.persistSearchHistory(for: item)
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switch item {
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case .account(let objectID):
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guard let user = try? viewModel.searchHistoryFetchedResultController.fetchedResultsController.managedObjectContext.existingObject(with: objectID) as? MastodonUser else { return }
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let profileViewModel = CachedProfileViewModel(context: context, mastodonUser: user)
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coordinator.present(scene: .profile(viewModel: profileViewModel), from: self, transition: .show)
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case .hashtag(let objectID):
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guard let hashtag = try? viewModel.searchHistoryFetchedResultController.fetchedResultsController.managedObjectContext.existingObject(with: objectID) as? Tag else { return }
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let hashtagViewModel = HashtagTimelineViewModel(context: context, hashtag: hashtag.name)
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coordinator.present(scene: .hashtagTimeline(viewModel: hashtagViewModel), from: self, transition: .show)
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case .status(let objectID, _):
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guard let status = try? viewModel.searchHistoryFetchedResultController.fetchedResultsController.managedObjectContext.existingObject(with: objectID) as? Status else { return }
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let threadViewModel = CachedThreadViewModel(context: context, status: status)
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coordinator.present(scene: .thread(viewModel: threadViewModel), from: self, transition: .show)
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}
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}
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}
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// MARK: - SearchHistoryTableHeaderViewDelegate
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extension SearchHistoryViewController: SearchHistoryTableHeaderViewDelegate {
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func searchHistoryTableHeaderView(_ searchHistoryTableHeaderView: SearchHistoryTableHeaderView, clearSearchHistoryButtonDidPressed button: UIButton) {
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viewModel.clearSearchHistory()
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}
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}
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