548 lines
21 KiB
Swift
548 lines
21 KiB
Swift
//
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// SampleListViewController.swift
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// suixinkan
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//
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import Kingfisher
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import SnapKit
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import UIKit
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/// 样片相册列表页，对齐 Android `SampleListScreen`。
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final class SampleListViewController: BaseViewController {
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private let viewModel: SampleListViewModel
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private let api: any SampleManagementServing
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private let searchContainer = UIView()
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private let searchBox = UIView()
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private let searchIconView = UIImageView(image: UIImage(systemName: "magnifyingglass"))
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private let searchTextField = UITextField()
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private let filterContainer = UIView()
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private let filterButton = UIButton(type: .system)
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private let filterTitleLabel = UILabel()
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private let filterChevronView = UIImageView(image: UIImage(systemName: "chevron.down"))
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private let filterDropdownView = UIView()
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private let filterDropdownStack = UIStackView()
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private let tableView = UITableView(frame: .zero, style: .plain)
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private let emptyLabel = UILabel()
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private let bottomBar = UIView()
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private let addButton = UIButton(type: .system)
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private var dataSource: UITableViewDiffableDataSource<Int, SampleMaterialItem>!
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private var filterOptionButtons: [(SampleFilterStatus, UIButton)] = []
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/// 初始化样片列表页。
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init(
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viewModel: SampleListViewModel = SampleListViewModel(),
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api: any SampleManagementServing = NetworkServices.shared.sampleManagementAPI
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) {
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self.viewModel = viewModel
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self.api = api
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super.init(nibName: nil, bundle: nil)
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func setupNavigationBar() {
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title = "样片相册列表"
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}
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override func setupUI() {
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view.backgroundColor = AppColor.pageBackground
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searchContainer.backgroundColor = .white
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searchBox.backgroundColor = UIColor(hex: 0xF4F4F4)
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searchBox.layer.cornerRadius = 4
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searchIconView.tintColor = AppColor.textSecondary
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searchIconView.contentMode = .scaleAspectFit
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searchTextField.placeholder = "搜索相册标题"
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searchTextField.font = .systemFont(ofSize: 13)
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searchTextField.textColor = AppColor.textPrimary
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searchTextField.clearButtonMode = .whileEditing
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searchTextField.returnKeyType = .search
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filterContainer.backgroundColor = .white
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filterButton.backgroundColor = UIColor(hex: 0xF4F4F4)
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filterButton.layer.cornerRadius = 4
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filterTitleLabel.text = "筛选"
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filterTitleLabel.font = .systemFont(ofSize: 14)
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filterTitleLabel.textColor = UIColor(hex: 0x4B5563)
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filterChevronView.tintColor = UIColor(hex: 0x4B5563)
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filterChevronView.contentMode = .scaleAspectFit
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filterDropdownView.backgroundColor = .white
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filterDropdownView.layer.cornerRadius = 4
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filterDropdownView.layer.shadowColor = UIColor.black.cgColor
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filterDropdownView.layer.shadowOpacity = 0.12
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filterDropdownView.layer.shadowRadius = 10
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filterDropdownView.layer.shadowOffset = CGSize(width: 0, height: 4)
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filterDropdownView.isHidden = true
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filterDropdownStack.axis = .vertical
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filterDropdownStack.spacing = 0
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tableView.backgroundColor = AppColor.pageBackground
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tableView.separatorStyle = .none
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tableView.estimatedRowHeight = 152
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tableView.rowHeight = UITableView.automaticDimension
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tableView.delegate = self
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tableView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 16, right: 0)
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tableView.register(SampleListCell.self, forCellReuseIdentifier: SampleListCell.reuseIdentifier)
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tableView.refreshControl = UIRefreshControl()
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dataSource = UITableViewDiffableDataSource<Int, SampleMaterialItem>(tableView: tableView) {
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[weak self] tableView, indexPath, item in
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let cell = tableView.dequeueReusableCell(
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withIdentifier: SampleListCell.reuseIdentifier,
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for: indexPath
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) as! SampleListCell
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cell.apply(item: item)
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cell.onToggle = { [weak self] checked in
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guard let self else { return }
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Task { await self.viewModel.toggleListing(sampleId: item.id, checked: checked, api: self.api) }
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}
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return cell
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}
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emptyLabel.text = "暂无样片"
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emptyLabel.font = .systemFont(ofSize: 16)
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emptyLabel.textColor = AppColor.textSecondary
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emptyLabel.textAlignment = .center
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emptyLabel.isHidden = true
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bottomBar.backgroundColor = .white
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addButton.setTitle("添加", for: .normal)
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addButton.setTitleColor(.white, for: .normal)
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addButton.titleLabel?.font = .systemFont(ofSize: 16, weight: .medium)
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addButton.backgroundColor = AppColor.primary
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addButton.layer.cornerRadius = 8
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view.addSubview(searchContainer)
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searchContainer.addSubview(searchBox)
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searchBox.addSubview(searchIconView)
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searchBox.addSubview(searchTextField)
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view.addSubview(filterContainer)
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filterContainer.addSubview(filterButton)
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filterButton.addSubview(filterTitleLabel)
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filterButton.addSubview(filterChevronView)
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view.addSubview(tableView)
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view.addSubview(emptyLabel)
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view.addSubview(bottomBar)
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bottomBar.addSubview(addButton)
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view.addSubview(filterDropdownView)
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filterDropdownView.addSubview(filterDropdownStack)
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configureFilterDropdown()
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}
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override func setupConstraints() {
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searchContainer.snp.makeConstraints { make in
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make.top.equalTo(view.safeAreaLayoutGuide)
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make.leading.trailing.equalToSuperview()
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make.height.equalTo(68)
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}
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searchBox.snp.makeConstraints { make in
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make.leading.trailing.equalToSuperview().inset(16)
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make.centerY.equalToSuperview()
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make.height.equalTo(36)
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}
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searchIconView.snp.makeConstraints { make in
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make.leading.equalToSuperview().offset(12)
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make.centerY.equalToSuperview()
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make.size.equalTo(15)
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}
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searchTextField.snp.makeConstraints { make in
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make.leading.equalTo(searchIconView.snp.trailing).offset(12)
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make.trailing.equalToSuperview().inset(12)
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make.top.bottom.equalToSuperview()
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}
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filterContainer.snp.makeConstraints { make in
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make.top.equalTo(searchContainer.snp.bottom).offset(1)
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make.leading.trailing.equalToSuperview()
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make.height.equalTo(68)
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}
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filterButton.snp.makeConstraints { make in
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make.leading.trailing.equalToSuperview().inset(16)
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make.centerY.equalToSuperview()
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make.height.equalTo(36)
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}
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filterTitleLabel.snp.makeConstraints { make in
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make.leading.equalToSuperview().offset(16)
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make.centerY.equalToSuperview()
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}
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filterChevronView.snp.makeConstraints { make in
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make.trailing.equalToSuperview().inset(14)
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make.centerY.equalToSuperview()
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make.size.equalTo(18)
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}
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bottomBar.snp.makeConstraints { make in
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make.leading.trailing.bottom.equalToSuperview()
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}
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addButton.snp.makeConstraints { make in
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make.top.equalToSuperview().offset(16)
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make.leading.trailing.equalToSuperview().inset(15)
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make.height.equalTo(48)
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make.bottom.equalTo(view.safeAreaLayoutGuide).offset(-16)
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}
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tableView.snp.makeConstraints { make in
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make.top.equalTo(filterContainer.snp.bottom).offset(12)
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make.leading.trailing.equalToSuperview()
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make.bottom.equalTo(bottomBar.snp.top)
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}
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filterDropdownView.snp.makeConstraints { make in
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make.top.equalTo(filterButton.snp.bottom)
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make.leading.trailing.equalTo(filterButton)
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}
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filterDropdownStack.snp.makeConstraints { make in
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make.edges.equalToSuperview()
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}
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emptyLabel.snp.makeConstraints { make in
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make.centerX.equalToSuperview()
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make.centerY.equalTo(tableView)
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make.leading.trailing.equalToSuperview().inset(24)
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}
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}
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override func bindActions() {
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viewModel.onStateChange = { [weak self] in
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Task { @MainActor in self?.applyViewModel() }
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}
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viewModel.onShowMessage = { [weak self] message in
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Task { @MainActor in self?.showToast(message) }
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}
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searchTextField.addTarget(self, action: #selector(searchTextChanged), for: .editingChanged)
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searchTextField.delegate = self
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filterButton.addTarget(self, action: #selector(filterTapped), for: .touchUpInside)
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addButton.addTarget(self, action: #selector(addTapped), for: .touchUpInside)
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tableView.refreshControl?.addTarget(self, action: #selector(refreshPulled), for: .valueChanged)
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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Task { await viewModel.loadInitial(api: api) }
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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if needsRefreshOnAppear {
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needsRefreshOnAppear = false
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Task { await viewModel.refresh(api: api) }
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}
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}
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private var needsRefreshOnAppear = false
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@MainActor
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private func applyViewModel() {
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filterTitleLabel.text = viewModel.filterStatus == .all ? "筛选" : viewModel.filterStatus.title
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filterOptionButtons.forEach { status, button in
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let selected = status == viewModel.filterStatus
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button.setTitleColor(selected ? AppColor.primary : AppColor.textPrimary, for: .normal)
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button.titleLabel?.font = .systemFont(ofSize: 14, weight: selected ? .medium : .regular)
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}
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if searchTextField.text != viewModel.searchText {
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searchTextField.text = viewModel.searchText
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}
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var snapshot = NSDiffableDataSourceSnapshot<Int, SampleMaterialItem>()
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snapshot.appendSections([0])
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snapshot.appendItems(viewModel.items)
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dataSource.apply(snapshot, animatingDifferences: true)
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emptyLabel.isHidden = !viewModel.items.isEmpty || viewModel.isLoading || viewModel.isRefreshing
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viewModel.isLoading && viewModel.items.isEmpty ? showLoading() : hideLoading()
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if !viewModel.isRefreshing {
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tableView.refreshControl?.endRefreshing()
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}
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}
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@objc private func searchTextChanged() {
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let text = searchTextField.text ?? ""
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Task { await viewModel.updateSearchText(text, api: api) }
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}
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@objc private func filterTapped() {
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filterDropdownView.isHidden.toggle()
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view.bringSubviewToFront(filterDropdownView)
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UIView.animate(withDuration: 0.2) {
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self.filterChevronView.transform = self.filterDropdownView.isHidden
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? .identity
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: CGAffineTransform(rotationAngle: .pi)
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}
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}
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@objc private func addTapped() {
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let controller = UploadSampleViewController()
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controller.onUploadSuccess = { [weak self] in
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self?.needsRefreshOnAppear = true
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}
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navigationController?.pushViewController(controller, animated: true)
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}
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@objc private func refreshPulled() {
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hideFilterDropdown()
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Task { await viewModel.refresh(api: api) }
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}
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private func configureFilterDropdown() {
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SampleFilterStatus.allCases.forEach { status in
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let button = UIButton(type: .system)
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button.contentHorizontalAlignment = .leading
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button.contentEdgeInsets = UIEdgeInsets(top: 0, left: 16, bottom: 0, right: 16)
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button.setTitle(status.title, for: .normal)
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button.backgroundColor = .white
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button.snp.makeConstraints { make in
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make.height.equalTo(48)
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}
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button.addAction(UIAction { [weak self] _ in
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guard let self else { return }
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self.hideFilterDropdown()
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Task { await self.viewModel.selectFilter(status, api: self.api) }
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}, for: .touchUpInside)
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filterDropdownStack.addArrangedSubview(button)
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filterOptionButtons.append((status, button))
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}
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}
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private func hideFilterDropdown() {
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guard !filterDropdownView.isHidden else { return }
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filterDropdownView.isHidden = true
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UIView.animate(withDuration: 0.2) {
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self.filterChevronView.transform = .identity
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}
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}
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}
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extension SampleListViewController: UITableViewDelegate {
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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hideFilterDropdown()
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tableView.deselectRow(at: indexPath, animated: true)
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guard let item = dataSource.itemIdentifier(for: indexPath) else { return }
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navigationController?.pushViewController(SampleDetailViewController(sampleId: item.id), animated: true)
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}
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func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
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Task { await viewModel.loadMoreIfNeeded(lastVisibleIndex: indexPath.row, api: api) }
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}
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}
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extension SampleListViewController: UITextFieldDelegate {
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func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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textField.resignFirstResponder()
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return true
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}
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}
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/// 样片列表卡片 cell，对齐 Android `SampleItemView`。
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private final class SampleListCell: UITableViewCell {
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static let reuseIdentifier = "SampleListCell"
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private let cardView = UIView()
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private let coverImageView = UIImageView()
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private let placeholderLabel = UILabel()
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private let titleLabel = UILabel()
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private let projectLabel = UILabel()
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private let scenicSpotLabel = UILabel()
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private let statusBadge = SampleStatusBadgeView()
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private let listingSwitch = UISwitch()
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private let statsStack = UIStackView()
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private let shareStatView = SampleStatView(iconName: "sample_ic_share_count")
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private let likeStatView = SampleStatView(iconName: "sample_ic_like_count")
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private let collectStatView = SampleStatView(iconName: "sample_ic_collect_count")
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private var isApplying = false
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var onToggle: ((Bool) -> Void)?
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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setupUI()
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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func apply(item: SampleMaterialItem) {
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isApplying = true
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titleLabel.text = item.name
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projectLabel.text = "项目: \(item.projectName)"
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scenicSpotLabel.text = "打卡地: \(item.scenicSpotName)"
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statusBadge.apply(status: item.status)
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listingSwitch.setOn(item.listingStatus == 1, animated: false)
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shareStatView.setCount(item.shareCount)
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likeStatView.setCount(item.likesCount)
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collectStatView.setCount(item.collectCount)
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if let url = URL(string: item.coverUrl), !item.coverUrl.isEmpty {
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placeholderLabel.isHidden = true
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coverImageView.kf.setImage(with: url)
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} else {
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coverImageView.image = nil
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placeholderLabel.isHidden = false
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}
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isApplying = false
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}
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private func setupUI() {
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selectionStyle = .none
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backgroundColor = AppColor.pageBackground
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contentView.backgroundColor = AppColor.pageBackground
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cardView.backgroundColor = .white
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cardView.layer.cornerRadius = 12
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cardView.clipsToBounds = true
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coverImageView.backgroundColor = UIColor(hex: 0xF5F5F5)
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coverImageView.contentMode = .scaleAspectFill
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coverImageView.clipsToBounds = true
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coverImageView.layer.cornerRadius = 8
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placeholderLabel.text = "暂无图片"
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placeholderLabel.font = .systemFont(ofSize: 12)
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placeholderLabel.textColor = AppColor.textSecondary
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placeholderLabel.textAlignment = .center
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titleLabel.font = .systemFont(ofSize: 16, weight: .bold)
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titleLabel.textColor = .black
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titleLabel.numberOfLines = 1
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[projectLabel, scenicSpotLabel].forEach { label in
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label.font = .systemFont(ofSize: 12)
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label.textColor = UIColor(hex: 0x4B5563)
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label.numberOfLines = 1
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}
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listingSwitch.onTintColor = AppColor.primary
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listingSwitch.addTarget(self, action: #selector(switchChanged), for: .valueChanged)
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statsStack.axis = .horizontal
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statsStack.spacing = 16
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statsStack.alignment = .center
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contentView.addSubview(cardView)
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cardView.addSubview(coverImageView)
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coverImageView.addSubview(placeholderLabel)
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cardView.addSubview(titleLabel)
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cardView.addSubview(projectLabel)
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cardView.addSubview(scenicSpotLabel)
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cardView.addSubview(statusBadge)
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cardView.addSubview(listingSwitch)
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cardView.addSubview(statsStack)
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[shareStatView, likeStatView, collectStatView].forEach(statsStack.addArrangedSubview)
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cardView.snp.makeConstraints { make in
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make.top.bottom.equalToSuperview().inset(8)
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make.leading.trailing.equalToSuperview().inset(16)
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}
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coverImageView.snp.makeConstraints { make in
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make.leading.top.bottom.equalToSuperview().inset(12)
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make.size.equalTo(128)
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}
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placeholderLabel.snp.makeConstraints { make in
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make.center.equalToSuperview()
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make.leading.trailing.equalToSuperview().inset(8)
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}
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titleLabel.snp.makeConstraints { make in
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make.top.equalToSuperview().offset(16)
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make.leading.equalTo(coverImageView.snp.trailing).offset(12)
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make.trailing.equalToSuperview().inset(12)
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}
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projectLabel.snp.makeConstraints { make in
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make.top.equalTo(titleLabel.snp.bottom).offset(8)
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make.leading.trailing.equalTo(titleLabel)
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}
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scenicSpotLabel.snp.makeConstraints { make in
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make.top.equalTo(projectLabel.snp.bottom).offset(6)
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make.leading.trailing.equalTo(titleLabel)
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}
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statusBadge.snp.makeConstraints { make in
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make.top.equalTo(scenicSpotLabel.snp.bottom).offset(10)
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make.leading.equalTo(titleLabel)
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make.height.equalTo(24)
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}
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listingSwitch.snp.makeConstraints { make in
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make.centerY.equalTo(statusBadge)
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make.trailing.equalToSuperview().inset(12)
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make.leading.greaterThanOrEqualTo(statusBadge.snp.trailing).offset(8)
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}
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statsStack.snp.makeConstraints { make in
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make.top.equalTo(statusBadge.snp.bottom).offset(10)
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make.leading.equalTo(titleLabel)
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make.trailing.lessThanOrEqualToSuperview().inset(12)
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make.bottom.lessThanOrEqualToSuperview().inset(12)
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}
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}
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@objc private func switchChanged() {
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guard !isApplying else { return }
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onToggle?(listingSwitch.isOn)
|
||
}
|
||
}
|
||
|
||
/// 样片状态 badge。
|
||
final class SampleStatusBadgeView: UIView {
|
||
private let label = UILabel()
|
||
|
||
override init(frame: CGRect) {
|
||
super.init(frame: frame)
|
||
layer.cornerRadius = 4
|
||
addSubview(label)
|
||
label.font = .systemFont(ofSize: 12, weight: .medium)
|
||
label.snp.makeConstraints { make in
|
||
make.leading.trailing.equalToSuperview().inset(6)
|
||
make.centerY.equalToSuperview()
|
||
}
|
||
}
|
||
|
||
@available(*, unavailable)
|
||
required init?(coder: NSCoder) {
|
||
fatalError("init(coder:) has not been implemented")
|
||
}
|
||
|
||
/// 设置审核状态。
|
||
func apply(status: Int) {
|
||
let color: UIColor
|
||
switch status {
|
||
case 1: color = UIColor(hex: 0x22C55E)
|
||
case 0: color = UIColor(hex: 0xFF7B00)
|
||
case 2: color = UIColor(hex: 0xEF4444)
|
||
default: color = AppColor.textSecondary
|
||
}
|
||
label.text = SampleDisplayFormatter.reviewStatusText(status)
|
||
label.textColor = color
|
||
backgroundColor = color.withAlphaComponent(0.1)
|
||
}
|
||
}
|
||
|
||
/// 样片统计图标与数字。
|
||
private final class SampleStatView: UIView {
|
||
private let iconView = UIImageView()
|
||
private let countLabel = UILabel()
|
||
|
||
init(iconName: String) {
|
||
super.init(frame: .zero)
|
||
iconView.image = UIImage(named: iconName)
|
||
iconView.tintColor = UIColor(hex: 0x6B7280)
|
||
iconView.contentMode = .scaleAspectFit
|
||
countLabel.font = .systemFont(ofSize: 14)
|
||
countLabel.textColor = UIColor(hex: 0x6B7280)
|
||
addSubview(iconView)
|
||
addSubview(countLabel)
|
||
iconView.snp.makeConstraints { make in
|
||
make.leading.centerY.equalToSuperview()
|
||
make.size.equalTo(16)
|
||
}
|
||
countLabel.snp.makeConstraints { make in
|
||
make.leading.equalTo(iconView.snp.trailing).offset(4)
|
||
make.trailing.centerY.equalToSuperview()
|
||
}
|
||
}
|
||
|
||
@available(*, unavailable)
|
||
required init?(coder: NSCoder) {
|
||
fatalError("init(coder:) has not been implemented")
|
||
}
|
||
|
||
func setCount(_ count: Int) {
|
||
countLabel.text = SampleDisplayFormatter.formatCount(count)
|
||
}
|
||
}
|