feat: 添加云盘与消息中心功能
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169
suixinkan/UI/MessageCenter/MessageDetailViewController.swift
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169
suixinkan/UI/MessageCenter/MessageDetailViewController.swift
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//
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// MessageDetailViewController.swift
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// suixinkan
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//
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import SnapKit
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import UIKit
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/// 消息详情页，对齐 Android `MsgDetailScreen`。
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final class MessageDetailViewController: BaseViewController {
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var onDeleted: ((Int) -> Void)?
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private let viewModel: MessageDetailViewModel
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private let api: any MessageCenterServing
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private let scrollView = UIScrollView()
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private let contentView = UIView()
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private let typeImageView = UIImageView()
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private let titleLabel = UILabel()
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private let timeContainer = UIView()
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private let timeLabel = UILabel()
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private let bodyLabel = UILabel()
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private let bottomBar = UIView()
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private let deleteButton = UIButton(type: .system)
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/// 初始化消息详情页。
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init(message: MessageItem, api: any MessageCenterServing = NetworkServices.shared.messageCenterAPI) {
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viewModel = MessageDetailViewModel(message: message)
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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 = "消息详情"
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}
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override func setupUI() {
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view.backgroundColor = .white
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typeImageView.contentMode = .scaleAspectFit
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typeImageView.image = UIImage(named: MessageTypeIcon.assetName(for: viewModel.message.type))
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titleLabel.text = viewModel.message.displayTitle
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titleLabel.font = .systemFont(ofSize: 20, weight: .bold)
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titleLabel.textColor = .black
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titleLabel.textAlignment = .center
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titleLabel.numberOfLines = 0
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timeContainer.backgroundColor = UIColor(hex: 0xF4F4F4)
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timeContainer.layer.cornerRadius = 4
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timeContainer.clipsToBounds = true
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timeLabel.text = viewModel.message.createdAt
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timeLabel.font = .systemFont(ofSize: 12)
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timeLabel.textColor = UIColor(hex: 0x4B5563)
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timeLabel.textAlignment = .center
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timeLabel.numberOfLines = 1
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bodyLabel.text = viewModel.message.content
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bodyLabel.font = .systemFont(ofSize: 16)
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bodyLabel.textColor = .black
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bodyLabel.numberOfLines = 0
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bodyLabel.textAlignment = .left
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bottomBar.backgroundColor = .white
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deleteButton.setTitle("删除并返回", for: .normal)
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deleteButton.setTitleColor(.white, for: .normal)
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deleteButton.titleLabel?.font = .systemFont(ofSize: 16)
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deleteButton.backgroundColor = UIColor(hex: 0xEF4444)
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deleteButton.layer.cornerRadius = 8
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deleteButton.clipsToBounds = true
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view.addSubview(scrollView)
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scrollView.addSubview(contentView)
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[typeImageView, titleLabel, timeContainer, bodyLabel].forEach(contentView.addSubview)
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timeContainer.addSubview(timeLabel)
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view.addSubview(bottomBar)
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bottomBar.addSubview(deleteButton)
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}
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override func setupConstraints() {
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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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deleteButton.snp.makeConstraints { make in
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make.top.equalToSuperview().offset(16)
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make.leading.trailing.equalToSuperview().inset(32)
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make.height.equalTo(52)
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make.bottom.equalTo(view.safeAreaLayoutGuide).inset(16)
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}
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scrollView.snp.makeConstraints { make in
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make.top.leading.trailing.equalTo(view.safeAreaLayoutGuide)
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make.bottom.equalTo(bottomBar.snp.top)
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}
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contentView.snp.makeConstraints { make in
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make.edges.equalTo(scrollView.contentLayoutGuide)
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make.width.equalTo(scrollView.frameLayoutGuide)
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make.height.greaterThanOrEqualTo(scrollView.frameLayoutGuide)
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}
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typeImageView.snp.makeConstraints { make in
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make.top.equalToSuperview().offset(32)
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make.centerX.equalToSuperview()
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make.size.equalTo(64)
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}
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titleLabel.snp.makeConstraints { make in
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make.top.equalTo(typeImageView.snp.bottom).offset(8)
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make.leading.trailing.equalToSuperview().inset(32)
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}
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timeContainer.snp.makeConstraints { make in
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make.top.equalTo(titleLabel.snp.bottom).offset(8)
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make.centerX.equalToSuperview()
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}
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timeLabel.snp.makeConstraints { make in
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make.edges.equalToSuperview().inset(UIEdgeInsets(top: 2, left: 4, bottom: 2, right: 4))
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}
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bodyLabel.snp.makeConstraints { make in
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make.top.equalTo(timeContainer.snp.bottom).offset(24)
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make.leading.trailing.equalToSuperview().inset(32)
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make.bottom.lessThanOrEqualToSuperview().inset(24)
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}
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}
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override func bindActions() {
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deleteButton.addTarget(self, action: #selector(deleteTapped), for: .touchUpInside)
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viewModel.onStateChange = { [weak self] in
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Task { @MainActor in
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self?.applyState()
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}
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}
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viewModel.onShowMessage = { [weak self] message in
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Task { @MainActor in
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self?.showToast(message)
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}
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}
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viewModel.onDeleted = { [weak self] id in
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Task { @MainActor in
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self?.onDeleted?(id)
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self?.navigationController?.popViewController(animated: true)
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}
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}
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}
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@objc private func deleteTapped() {
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let alert = UIAlertController(title: "删除消息", message: "确定要删除这条消息吗？", preferredStyle: .alert)
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alert.addAction(UIAlertAction(title: "取消", style: .cancel))
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alert.addAction(UIAlertAction(title: "确认", style: .destructive) { [weak self] _ in
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guard let self else { return }
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Task { @MainActor in
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await self.viewModel.delete(api: self.api)
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}
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})
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present(alert, animated: true)
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}
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private func applyState() {
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deleteButton.isEnabled = !viewModel.isDeleting
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deleteButton.alpha = viewModel.isDeleting ? 0.65 : 1
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if viewModel.isDeleting {
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showLoading()
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} else {
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hideLoading()
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}
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}
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}
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