feat: add AI retouch before-after comparison

2026-08-13 17:46:06 +08:00
parent e190b5958b
commit 0f3b26991e
12 changed files with 953 additions and 145 deletions
@@ -434,8 +434,13 @@ final class TravelAlbumAIRetouchTemplateViewController: BaseViewController {
    }

    private func showPreview(for template: TravelAlbumAIRetouchTemplate) {
-        let controller = TravelAlbumAIRetouchTemplatePreviewViewController(template: template)
-        controller.modalPresentationStyle = .fullScreen
+        guard let content = template.comparisonContent else {
+            showToast("暂无对比预览")
+            return
+        }
+        let controller = BeforeAfterComparisonViewController(
+            viewModel: BeforeAfterComparisonViewModel(content: content)
+        )
        present(controller, animated: true)
    }
 }
@@ -908,128 +913,6 @@ final class TravelAlbumAIRetouchSectionHeader: UICollectionReusableView {
    }
 }

-/// AI 修图模板全屏预览，支持双指缩放查看模板细节。
-final class TravelAlbumAIRetouchTemplatePreviewViewController: UIViewController {
-    private let template: TravelAlbumAIRetouchTemplate
-    private let backButton = UIButton(type: .system)
-    private let titleLabel = UILabel()
-    private let subtitleLabel = UILabel()
-    private let scrollView = UIScrollView()
-    private let imageView = UIImageView()
-
-    /// 创建指定模板的全屏预览页。
-    init(template: TravelAlbumAIRetouchTemplate) {
-        self.template = template
-        super.init(nibName: nil, bundle: nil)
-        modalPresentationStyle = .fullScreen
-    }
-
-    @available(*, unavailable)
-    required init?(coder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
-    }
-
-    override func viewDidLoad() {
-        super.viewDidLoad()
-        setupUI()
-        setupConstraints()
-        loadPreview()
-    }
-
-    private func setupUI() {
-        view.backgroundColor = .black
-        view.accessibilityIdentifier = "travelAlbum.aiRetouchTemplatePreview"
-
-        var backConfiguration = UIButton.Configuration.filled()
-        backConfiguration.image = UIImage(systemName: "chevron.left")
-        backConfiguration.baseForegroundColor = .white
-        backConfiguration.baseBackgroundColor = UIColor.white.withAlphaComponent(0.12)
-        backConfiguration.background.cornerRadius = 24
-        backButton.configuration = backConfiguration
-        backButton.accessibilityLabel = "返回模板选择"
-        backButton.accessibilityIdentifier = "travelAlbum.aiRetouchTemplatePreviewBackButton"
-        backButton.addTarget(self, action: #selector(backTapped), for: .touchUpInside)
-
-        titleLabel.text = template.name
-        titleLabel.textColor = .white
-        titleLabel.font = .systemFont(ofSize: 20, weight: .semibold)
-        titleLabel.textAlignment = .center
-        titleLabel.lineBreakMode = .byTruncatingTail
-
-        subtitleLabel.text = "双指缩放查看细节"
-        subtitleLabel.textColor = UIColor.white.withAlphaComponent(0.52)
-        subtitleLabel.font = .systemFont(ofSize: 14, weight: .regular)
-        subtitleLabel.textAlignment = .center
-
-        scrollView.minimumZoomScale = 1
-        scrollView.maximumZoomScale = 4
-        scrollView.delegate = self
-        scrollView.showsHorizontalScrollIndicator = false
-        scrollView.showsVerticalScrollIndicator = false
-        scrollView.accessibilityIdentifier = "travelAlbum.aiRetouchTemplatePreviewScrollView"
-        imageView.contentMode = .scaleAspectFit
-        imageView.clipsToBounds = true
-        imageView.backgroundColor = UIColor(hex: 0x111111)
-        imageView.accessibilityLabel = "\(template.name)模板预览图"
-
-        view.addSubview(backButton)
-        view.addSubview(titleLabel)
-        view.addSubview(subtitleLabel)
-        view.addSubview(scrollView)
-        scrollView.addSubview(imageView)
-    }
-
-    private func setupConstraints() {
-        backButton.snp.makeConstraints { make in
-            make.top.equalTo(view.safeAreaLayoutGuide).offset(20)
-            make.leading.equalToSuperview().offset(18)
-            make.size.equalTo(48)
-        }
-        titleLabel.snp.makeConstraints { make in
-            make.top.equalTo(view.safeAreaLayoutGuide).offset(20)
-            make.leading.greaterThanOrEqualTo(backButton.snp.trailing).offset(12)
-            make.centerX.equalToSuperview()
-            make.trailing.lessThanOrEqualToSuperview().offset(-66)
-            make.height.equalTo(26)
-        }
-        subtitleLabel.snp.makeConstraints { make in
-            make.top.equalTo(titleLabel.snp.bottom).offset(2)
-            make.centerX.equalToSuperview()
-        }
-        scrollView.snp.makeConstraints { make in
-            make.top.equalTo(subtitleLabel.snp.bottom).offset(18)
-            make.leading.trailing.bottom.equalToSuperview()
-        }
-        imageView.snp.makeConstraints { make in
-            make.center.equalTo(scrollView.frameLayoutGuide)
-            make.width.equalTo(scrollView.frameLayoutGuide)
-            make.height.equalTo(imageView.snp.width).multipliedBy(0.75)
-        }
-    }
-
-    private func loadPreview() {
-        let placeholder = UIImage(named: "ai_retouch_template_placeholder")
-        guard let url = URL(string: template.previewURL), !template.previewURL.isEmpty else {
-            imageView.image = placeholder
-            return
-        }
-        imageView.kf.setImage(
-            with: url,
-            placeholder: placeholder
-        )
-    }
-
-    @objc private func backTapped() {
-        dismiss(animated: true)
-    }
-}
-
-extension TravelAlbumAIRetouchTemplatePreviewViewController: UIScrollViewDelegate {
-    func viewForZooming(in scrollView: UIScrollView) -> UIView? {
-        imageView
-    }
-}
-
 /// AI 修图模板页视觉常量。
 private enum AIRetouchTemplateStyle {
    static let primary = UIColor(hex: 0x1677FF)