mastodon-ios/Mastodon/Scene/SuggestionAccount/SuggestionAccountViewContro...

214 lines
8.4 KiB
Swift

//
// SuggestionAccountViewController.swift
// Mastodon
//
// Created by sxiaojian on 2021/4/21.
//
import Combine
import CoreData
import CoreDataStack
import Foundation
import OSLog
import UIKit
import MastodonAsset
import MastodonCore
import MastodonUI
import MastodonLocalization
class SuggestionAccountViewController: UIViewController, NeedsDependency {
static let collectionViewHeight: CGFloat = 24 + 64 + 24
weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
var disposeBag = Set<AnyCancellable>()
var viewModel: SuggestionAccountViewModel!
private static func createCollectionViewLayout() -> UICollectionViewLayout {
let itemSize = NSCollectionLayoutSize(widthDimension: .absolute(64), heightDimension: .absolute(64))
let item = NSCollectionLayoutItem(layoutSize: itemSize)
let group = NSCollectionLayoutGroup.horizontal(layoutSize: itemSize, subitems: [item])
let section = NSCollectionLayoutSection(group: group)
section.contentInsets = NSDirectionalEdgeInsets(top: 24, leading: 0, bottom: 24, trailing: 0)
section.orthogonalScrollingBehavior = .continuous
section.contentInsetsReference = .readableContent
section.interGroupSpacing = 16
return UICollectionViewCompositionalLayout(section: section)
}
let collectionView: UICollectionView = {
let collectionViewLayout = SuggestionAccountViewController.createCollectionViewLayout()
let view = ControlContainableCollectionView(
frame: .zero,
collectionViewLayout: collectionViewLayout
)
view.register(SuggestionAccountCollectionViewCell.self, forCellWithReuseIdentifier: String(describing: SuggestionAccountCollectionViewCell.self))
view.backgroundColor = .clear
view.showsHorizontalScrollIndicator = false
view.showsVerticalScrollIndicator = false
view.layer.masksToBounds = false
return view
}()
let tableView: UITableView = {
let tableView = ControlContainableTableView()
tableView.register(SuggestionAccountTableViewCell.self, forCellReuseIdentifier: String(describing: SuggestionAccountTableViewCell.self))
tableView.rowHeight = UITableView.automaticDimension
tableView.tableFooterView = UIView()
tableView.separatorStyle = .singleLine
tableView.separatorInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
return tableView
}()
deinit {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s:", (#file as NSString).lastPathComponent, #line, #function)
}
}
extension SuggestionAccountViewController {
override func viewDidLoad() {
super.viewDidLoad()
setupBackgroundColor(theme: ThemeService.shared.currentTheme.value)
ThemeService.shared.currentTheme
.receive(on: DispatchQueue.main)
.sink { [weak self] theme in
guard let self = self else { return }
self.setupBackgroundColor(theme: theme)
}
.store(in: &disposeBag)
title = L10n.Scene.SuggestionAccount.title
navigationItem.rightBarButtonItem = UIBarButtonItem(
barButtonSystemItem: UIBarButtonItem.SystemItem.done,
target: self,
action: #selector(SuggestionAccountViewController.doneButtonDidClick(_:))
)
collectionView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(collectionView)
NSLayoutConstraint.activate([
collectionView.topAnchor.constraint(equalTo: view.layoutMarginsGuide.topAnchor),
collectionView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
collectionView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
collectionView.heightAnchor.constraint(equalToConstant: SuggestionAccountViewController.collectionViewHeight),
])
defer { view.bringSubviewToFront(collectionView) }
tableView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(tableView)
NSLayoutConstraint.activate([
tableView.topAnchor.constraint(equalTo: collectionView.bottomAnchor),
tableView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
tableView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
tableView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
])
collectionView.delegate = self
viewModel.setupDiffableDataSource(
collectionView: collectionView
)
tableView.delegate = self
viewModel.setupDiffableDataSource(
tableView: tableView,
suggestionAccountTableViewCellDelegate: self
)
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
tableView.deselectRow(with: transitionCoordinator, animated: animated)
}
private func setupBackgroundColor(theme: Theme) {
view.backgroundColor = theme.systemBackgroundColor
collectionView.backgroundColor = theme.systemGroupedBackgroundColor
}
}
// MARK: - UICollectionViewDelegateFlowLayout
extension SuggestionAccountViewController: UICollectionViewDelegate {
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
// guard let diffableDataSource = viewModel.collectionDiffableDataSource else { return }
// guard let item = diffableDataSource.itemIdentifier(for: indexPath) else { return }
// switch item {
// case .accountObjectID(let accountObjectID):
// let mastodonUser = context.managedObjectContext.object(with: accountObjectID) as! MastodonUser
// let viewModel = ProfileViewModel(context: context, optionalMastodonUser: mastodonUser)
// DispatchQueue.main.async {
// self.coordinator.present(scene: .profile(viewModel: viewModel), from: self, transition: .show)
// }
// default:
// break
// }
}
}
// MARK: - UITableViewDelegate
extension SuggestionAccountViewController: UITableViewDelegate {
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
guard let tableViewDiffableDataSource = viewModel.tableViewDiffableDataSource else { return }
guard let item = tableViewDiffableDataSource.itemIdentifier(for: indexPath) else { return }
switch item {
case .account(let record):
guard let account = record.object(in: context.managedObjectContext) else { return }
let cachedProfileViewModel = CachedProfileViewModel(context: context, authContext: viewModel.authContext, mastodonUser: account)
_ = coordinator.present(
scene: .profile(viewModel: cachedProfileViewModel),
from: self,
transition: .show
)
}
}
}
// MARK: - AuthContextProvider
extension SuggestionAccountViewController: AuthContextProvider {
var authContext: AuthContext { viewModel.authContext }
}
// MARK: - SuggestionAccountTableViewCellDelegate
extension SuggestionAccountViewController: SuggestionAccountTableViewCellDelegate {
func suggestionAccountTableViewCell(
_ cell: SuggestionAccountTableViewCell,
friendshipDidPressed button: UIButton
) {
guard let tableViewDiffableDataSource = viewModel.tableViewDiffableDataSource else { return }
guard let indexPath = tableView.indexPath(for: cell) else { return }
guard let item = tableViewDiffableDataSource.itemIdentifier(for: indexPath) else { return }
switch item {
case .account(let user):
Task { @MainActor in
cell.startAnimating()
do {
try await DataSourceFacade.responseToUserFollowAction(
dependency: self,
user: user
)
} catch {
// do noting
}
cell.stopAnimating()
} // end Task
}
}
}
extension SuggestionAccountViewController {
@objc func doneButtonDidClick(_ sender: UIButton) {
dismiss(animated: true, completion: nil)
// if viewModel.selectedAccounts.value.count > 0 {
// viewModel.delegate?.homeTimelineNeedRefresh.send()
// }
}
}