fix: 优化相册素材状态与删除保护

2026-08-17 16:04:03 +08:00
parent b127495e52
commit c34c4e1923
6 changed files with 254 additions and 81 deletions
@@ -224,7 +224,7 @@ struct TravelAlbumMaterial: Decodable, Sendable, Equatable, Hashable, Identifiab
    }
 }

-/// 相册素材网格角标类别，用于稳定映射文案优先级和语义颜色。
+/// 相册素材网格角标类别，用于稳定映射独立业务状态和语义颜色。
 enum TravelAlbumMaterialBadgeKind: Sendable, Equatable {
    case purchased
    case pending
@@ -241,14 +241,15 @@ struct TravelAlbumMaterialBadgePresentation: Sendable, Equatable {
 }

 extension TravelAlbumMaterial {
-    /// 按 AI 修图状态和购买状态生成网格角标；返回 nil 时隐藏角标。
-    var badgePresentation: TravelAlbumMaterialBadgePresentation? {
-        if aiRetouchStatus == 0 {
-            return isPurchased
-                ? TravelAlbumMaterialBadgePresentation(kind: .purchased, text: "已购")
-                : nil
-        }
+    /// 生成购买状态角标；购买状态与修图状态互不覆盖。
+    var purchaseBadgePresentation: TravelAlbumMaterialBadgePresentation? {
+        isPurchased
+            ? TravelAlbumMaterialBadgePresentation(kind: .purchased, text: "已购")
+            : nil
+    }

+    /// 生成 AI 修图状态角标；未进入修图流程时返回 nil。
+    var aiRetouchBadgePresentation: TravelAlbumMaterialBadgePresentation? {
        let statusName = aiRetouchStatusName.trimmingCharacters(in: .whitespacesAndNewlines)
        switch aiRetouchStatus {
        case 1:
@@ -48,6 +48,7 @@ final class TravelAlbumDetailViewModel {
    private(set) var isRefreshing = false
    private(set) var isSelectionMode = false
    private(set) var selectedMaterialIds: Set<Int> = []
+    private var selectedMaterialPurchaseStates: [Int: Bool] = [:]

    var onStateChange: (() -> Void)?
    var onShowMessage: ((String) -> Void)?
@@ -142,12 +143,29 @@ final class TravelAlbumDetailViewModel {
        selectedTab == .all ? allPhotoCount : purchasedPhotoCount
    }

+    /// 当前选中素材中的已购买数量。
+    var selectedPurchasedMaterialCount: Int {
+        selectedMaterialIds.count - selectedDeletableMaterialIds.count
+    }
+
+    /// 删除确认弹窗文案；选中已购素材时明确说明保护规则与实际删除数量。
+    var deleteSelectedConfirmationMessage: String {
+        let selectedCount = selectedMaterialIds.count
+        let purchasedCount = selectedPurchasedMaterialCount
+        guard purchasedCount > 0 else {
+            return "确定删除选中的 \(selectedCount) 张素材吗？"
+        }
+        let deletableCount = selectedCount - purchasedCount
+        return "已选择 \(selectedCount) 张素材，其中 \(purchasedCount) 张已购买。"
+            + "不会删除已购买的项目，只会删除 \(deletableCount) 张未购买的项目。"
+    }
+
    /// 切换素材 tab。
    func selectTab(_ tab: Tab, api: any TravelAlbumServing) async {
        guard selectedTab != tab else { return }
        selectedTab = tab
        isSelectionMode = false
-        selectedMaterialIds = []
+        clearMaterialSelection()
        notifyStateChange()
        await loadMaterials(reset: true, api: api)
    }
@@ -223,10 +241,9 @@ final class TravelAlbumDetailViewModel {

    /// 切换选择模式。
    func toggleSelectionMode() {
-        guard selectedTab == .all else { return }
        isSelectionMode.toggle()
        if !isSelectionMode {
-            selectedMaterialIds = []
+            clearMaterialSelection()
        }
        notifyStateChange()
    }
@@ -234,14 +251,12 @@ final class TravelAlbumDetailViewModel {
    /// 切换素材选中状态。
    func toggleMaterialSelection(_ material: TravelAlbumMaterial) {
        guard isSelectionMode else { return }
-        guard material.status == 1 else {
-            onShowMessage?("仅未购买素材可删除")
-            return
-        }
        if selectedMaterialIds.contains(material.id) {
            selectedMaterialIds.remove(material.id)
+            selectedMaterialPurchaseStates.removeValue(forKey: material.id)
        } else {
            selectedMaterialIds.insert(material.id)
+            selectedMaterialPurchaseStates[material.id] = material.isPurchased
        }
        notifyStateChange()
    }
@@ -249,7 +264,7 @@ final class TravelAlbumDetailViewModel {
    /// AI 修图任务提交成功后退出选择模式并清空当前选择。
    func completeAIRetouchSubmission() {
        isSelectionMode = false
-        selectedMaterialIds = []
+        clearMaterialSelection()
        notifyStateChange()
    }

@@ -264,6 +279,7 @@ final class TravelAlbumDetailViewModel {
        guard let index = materials.firstIndex(where: { $0.id == id }) else { return }
        let material = materials.remove(at: index)
        selectedMaterialIds.remove(id)
+        selectedMaterialPurchaseStates.removeValue(forKey: id)
        allPhotoCount = max(0, allPhotoCount - 1)
        if material.isPurchased {
            purchasedPhotoCount = max(0, purchasedPhotoCount - 1)
@@ -273,16 +289,20 @@ final class TravelAlbumDetailViewModel {

    /// 删除已选素材。
    func deleteSelectedMaterials(api: any TravelAlbumServing) async {
-        let ids = selectedMaterialIds.sorted()
-        guard !ids.isEmpty else {
+        guard !selectedMaterialIds.isEmpty else {
            onShowMessage?("请选择要删除的素材")
            return
        }
+        let ids = selectedDeletableMaterialIds
+        guard !ids.isEmpty else {
+            onShowMessage?("选中的素材均已购买，未删除任何项目")
+            return
+        }
        do {
            try await api.batchDeleteMaterials(ids: ids)
            onShowMessage?("删除成功")
            isSelectionMode = false
-            selectedMaterialIds = []
+            clearMaterialSelection()
            await refreshAll(api: api)
        } catch is CancellationError {
            return
@@ -307,4 +327,18 @@ final class TravelAlbumDetailViewModel {
    private func notifyStateChange() {
        onStateChange?()
    }
+
+    private func clearMaterialSelection() {
+        selectedMaterialIds = []
+        selectedMaterialPurchaseStates = [:]
+    }
+
+    private var selectedDeletableMaterialIds: [Int] {
+        selectedMaterialIds
+            .filter { id in
+                guard selectedMaterialPurchaseStates[id] == false else { return false }
+                return materials.first(where: { $0.id == id })?.isPurchased != true
+            }
+            .sorted()
+    }
 }
@@ -293,14 +293,11 @@ final class TravelAlbumDetailViewController: BaseViewController {
        sortButton.accessibilityValue = viewModel.sortOption.title
        sortButton.menu = makeSortMenu()

-        let canSelectMaterials = viewModel.selectedTab == .all
        selectButton.isHidden = false
-        selectButton.isEnabled = canSelectMaterials
-        selectButton.alpha = canSelectMaterials ? 1 : 0.45
+        selectButton.isEnabled = true
+        selectButton.alpha = 1
        selectButton.setTitle(viewModel.isSelectionMode ? "完成" : "选择", for: .normal)
-        selectButton.accessibilityValue = canSelectMaterials
-            ? (viewModel.isSelectionMode ? "选择模式已开启" : "选择模式已关闭")
-            : "已购照片不可删除"
+        selectButton.accessibilityValue = viewModel.isSelectionMode ? "选择模式已开启" : "选择模式已关闭"

        let selectedCount = viewModel.selectedMaterialIds.count
        let hasSelection = selectedCount > 0
@@ -487,7 +484,11 @@ final class TravelAlbumDetailViewController: BaseViewController {
    @objc private func deleteSelectedTapped() {
        let count = viewModel.selectedMaterialIds.count
        guard count > 0 else { return }
-        let alert = UIAlertController(title: "删除素材", message: "确定删除选中的 \(count) 张素材吗？", preferredStyle: .alert)
+        let alert = UIAlertController(
+            title: "删除素材",
+            message: viewModel.deleteSelectedConfirmationMessage,
+            preferredStyle: .alert
+        )
        alert.addAction(UIAlertAction(title: "取消", style: .cancel))
        alert.addAction(UIAlertAction(title: "删除", style: .destructive) { [weak self] _ in
            guard let self else { return }
@@ -694,14 +695,16 @@ private final class TravelAlbumInfoCard: UIView {
    }
 }

-/// 旅拍相册素材网格单元，展示正方形缩略图、文件名、大小和选择状态。
+/// 旅拍相册素材网格单元，独立展示购买、修图和选择状态。
 final class TravelAlbumMaterialCell: UICollectionViewCell {
    static let reuseIdentifier = "TravelAlbumMaterialCell"

    private let imageView = UIImageView()
    private let checkImageView = UIImageView()
-    private let badgeView = UIView()
-    private let badgeLabel = UILabel()
+    private let purchaseBadgeView = UIView()
+    private let purchaseBadgeLabel = UILabel()
+    private let aiRetouchBadgeView = UIView()
+    private let aiRetouchBadgeLabel = UILabel()
    private let nameLabel = UILabel()
    private let sizeLabel = UILabel()

@@ -715,18 +718,18 @@ final class TravelAlbumMaterialCell: UICollectionViewCell {
        checkImageView.backgroundColor = UIColor.black.withAlphaComponent(0.35)
        checkImageView.layer.cornerRadius = 11
        checkImageView.accessibilityIdentifier = "travelAlbum.materialSelectionCheck"
-        badgeView.layer.cornerRadius = 5
-        badgeView.clipsToBounds = true
-        badgeView.isHidden = true
-        badgeView.isAccessibilityElement = false
-        badgeView.accessibilityIdentifier = "travelAlbum.materialStatusBadge"
-        badgeLabel.font = .systemFont(ofSize: 10, weight: .semibold)
-        badgeLabel.textColor = .white
-        badgeLabel.textAlignment = .center
-        badgeLabel.isAccessibilityElement = false
-        badgeLabel.accessibilityIdentifier = "travelAlbum.materialStatusBadgeLabel"
-        badgeLabel.setContentHuggingPriority(.required, for: .horizontal)
-        badgeLabel.setContentCompressionResistancePriority(.required, for: .horizontal)
+        configureBadge(
+            purchaseBadgeView,
+            label: purchaseBadgeLabel,
+            viewIdentifier: "travelAlbum.materialPurchaseBadge",
+            labelIdentifier: "travelAlbum.materialPurchaseBadgeLabel"
+        )
+        configureBadge(
+            aiRetouchBadgeView,
+            label: aiRetouchBadgeLabel,
+            viewIdentifier: "travelAlbum.materialAIRetouchBadge",
+            labelIdentifier: "travelAlbum.materialAIRetouchBadgeLabel"
+        )
        nameLabel.font = .systemFont(ofSize: 12, weight: .medium)
        nameLabel.textColor = TravelAlbumDetailStyle.textPrimary
        nameLabel.lineBreakMode = .byTruncatingMiddle
@@ -734,8 +737,8 @@ final class TravelAlbumMaterialCell: UICollectionViewCell {
        sizeLabel.textColor = TravelAlbumDetailStyle.textSecondary

        contentView.addSubview(imageView)
-        imageView.addSubview(badgeView)
-        badgeView.addSubview(badgeLabel)
+        imageView.addSubview(purchaseBadgeView)
+        imageView.addSubview(aiRetouchBadgeView)
        imageView.addSubview(checkImageView)
        contentView.addSubview(nameLabel)
        contentView.addSubview(sizeLabel)
@@ -747,14 +750,13 @@ final class TravelAlbumMaterialCell: UICollectionViewCell {
            make.top.trailing.equalToSuperview().inset(6)
            make.size.equalTo(22)
        }
-        badgeView.snp.makeConstraints { make in
+        aiRetouchBadgeView.snp.makeConstraints { make in
            make.top.leading.equalToSuperview().inset(6)
            make.trailing.lessThanOrEqualTo(checkImageView.snp.leading).offset(-4)
        }
-        badgeLabel.snp.makeConstraints { make in
-            make.edges.equalToSuperview().inset(
-                UIEdgeInsets(top: 3, left: 6, bottom: 3, right: 6)
-            )
+        purchaseBadgeView.snp.makeConstraints { make in
+            make.leading.bottom.equalToSuperview().inset(6)
+            make.trailing.lessThanOrEqualToSuperview().inset(6)
        }
        nameLabel.snp.makeConstraints { make in
            make.top.equalTo(imageView.snp.bottom).offset(6)
@@ -784,14 +786,54 @@ final class TravelAlbumMaterialCell: UICollectionViewCell {
        checkImageView.isHidden = !selectionMode
        checkImageView.image = UIImage(systemName: selected ? "checkmark.circle.fill" : "circle")
        checkImageView.tintColor = selected ? TravelAlbumDetailStyle.primary : .white
-        let badge = material.badgePresentation
-        badgeView.isHidden = badge == nil
-        badgeLabel.text = badge?.text
-        badgeView.backgroundColor = badge.map { TravelAlbumDetailStyle.badgeColor(for: $0.kind) }
+        let purchaseBadge = material.purchaseBadgePresentation
+        let aiRetouchBadge = material.aiRetouchBadgePresentation
+        applyBadge(purchaseBadge, to: purchaseBadgeView, label: purchaseBadgeLabel)
+        applyBadge(aiRetouchBadge, to: aiRetouchBadgeView, label: aiRetouchBadgeLabel)
        nameLabel.text = material.fileName.isEmpty ? "未命名照片" : material.fileName
        sizeLabel.text = TravelAlbumDisplayFormatter.fileSizeText(material.fileSize)
-        let badgeAccessibilityText = badge.map { "，状态：\($0.text)" } ?? ""
-        accessibilityLabel = "\(nameLabel.text ?? "照片")，\(sizeLabel.text ?? "")\(badgeAccessibilityText)"
+        let purchaseAccessibilityText = purchaseBadge.map { "，购买状态：\($0.text)" } ?? ""
+        let aiRetouchAccessibilityText = aiRetouchBadge.map { "，修图状态：\($0.text)" } ?? ""
+        accessibilityLabel = "\(nameLabel.text ?? "照片")，\(sizeLabel.text ?? "")"
+            + purchaseAccessibilityText
+            + aiRetouchAccessibilityText
        accessibilityValue = selectionMode ? (selected ? "已选择" : "未选择") : nil
    }
+
+    private func configureBadge(
+        _ badgeView: UIView,
+        label: UILabel,
+        viewIdentifier: String,
+        labelIdentifier: String
+    ) {
+        badgeView.layer.cornerRadius = 5
+        badgeView.clipsToBounds = true
+        badgeView.isHidden = true
+        badgeView.isAccessibilityElement = false
+        badgeView.accessibilityIdentifier = viewIdentifier
+        label.font = .systemFont(ofSize: 10, weight: .semibold)
+        label.textColor = .white
+        label.textAlignment = .center
+        label.lineBreakMode = .byTruncatingTail
+        label.isAccessibilityElement = false
+        label.accessibilityIdentifier = labelIdentifier
+        label.setContentHuggingPriority(.required, for: .horizontal)
+        label.setContentCompressionResistancePriority(.defaultHigh, for: .horizontal)
+        badgeView.addSubview(label)
+        label.snp.makeConstraints { make in
+            make.edges.equalToSuperview().inset(
+                UIEdgeInsets(top: 3, left: 6, bottom: 3, right: 6)
+            )
+        }
+    }
+
+    private func applyBadge(
+        _ presentation: TravelAlbumMaterialBadgePresentation?,
+        to badgeView: UIView,
+        label: UILabel
+    ) {
+        badgeView.isHidden = presentation == nil
+        label.text = presentation?.text
+        badgeView.backgroundColor = presentation.map { TravelAlbumDetailStyle.badgeColor(for: $0.kind) }
+    }
 }
@@ -1149,9 +1149,8 @@ final class TravelAlbumDetailViewControllerTests: XCTestCase {
        XCTAssertFalse(controller.view.allLabels().contains { $0.text == "刷新失败" })
    }

-    func testMaterialCellShowsSemanticStatusBadgeWithoutOverlappingSelectionCheck() throws {
+    func testMaterialCellShowsIndependentPurchaseAndAIRetouchBadgesWithoutOverlappingSelectionCheck() throws {
        let cases: [(TravelAlbumMaterial, String, UInt)] = [
-            (TravelAlbumMaterial(isPurchased: true), "已购", 0x475569),
            (TravelAlbumMaterial(aiRetouchStatus: 1), "待处理", 0xB45309),
            (TravelAlbumMaterial(aiRetouchStatus: 2), "修图中", 0x1D4ED8),
            (TravelAlbumMaterial(aiRetouchStatus: 3), "AI已修", 0x047857),
@@ -1170,12 +1169,12 @@ final class TravelAlbumDetailViewControllerTests: XCTestCase {

            let badgeView = try XCTUnwrap(
                cell.findSubview {
-                    $0.accessibilityIdentifier == "travelAlbum.materialStatusBadge"
+                    $0.accessibilityIdentifier == "travelAlbum.materialAIRetouchBadge"
                }
            )
            let badgeLabel = try XCTUnwrap(
                cell.findSubview {
-                    $0.accessibilityIdentifier == "travelAlbum.materialStatusBadgeLabel"
+                    $0.accessibilityIdentifier == "travelAlbum.materialAIRetouchBadgeLabel"
                } as? UILabel
            )
            let selectionCheck = try XCTUnwrap(
@@ -1188,22 +1187,61 @@ final class TravelAlbumDetailViewControllerTests: XCTestCase {
            XCTAssertEqual(badgeLabel.text, expectedText)
            XCTAssertEqual(badgeView.backgroundColor?.travelAlbumTestHexRGB, expectedColor)
            XCTAssertLessThan(badgeView.frame.maxX, selectionCheck.frame.minX)
-            XCTAssertTrue(cell.accessibilityLabel?.contains("状态：\(expectedText)") == true)
+            XCTAssertTrue(cell.accessibilityLabel?.contains("修图状态：\(expectedText)") == true)
        }

+        let combinedCell = TravelAlbumMaterialCell(frame: CGRect(x: 0, y: 0, width: 176, height: 220))
+        combinedCell.apply(
+            material: TravelAlbumMaterial(isPurchased: true, aiRetouchStatus: 2),
+            selectionMode: true,
+            selected: false
+        )
+        combinedCell.layoutIfNeeded()
+        let purchaseBadge = try XCTUnwrap(
+            combinedCell.findSubview {
+                $0.accessibilityIdentifier == "travelAlbum.materialPurchaseBadge"
+            }
+        )
+        let purchaseLabel = try XCTUnwrap(
+            combinedCell.findSubview {
+                $0.accessibilityIdentifier == "travelAlbum.materialPurchaseBadgeLabel"
+            } as? UILabel
+        )
+        let aiRetouchBadge = try XCTUnwrap(
+            combinedCell.findSubview {
+                $0.accessibilityIdentifier == "travelAlbum.materialAIRetouchBadge"
+            }
+        )
+        XCTAssertFalse(purchaseBadge.isHidden)
+        XCTAssertFalse(aiRetouchBadge.isHidden)
+        XCTAssertEqual(purchaseLabel.text, "已购")
+        XCTAssertEqual(purchaseBadge.backgroundColor?.travelAlbumTestHexRGB, 0x475569)
+        XCTAssertGreaterThan(purchaseBadge.frame.minY, aiRetouchBadge.frame.maxY)
+        XCTAssertEqual(purchaseBadge.frame.minX, 6, accuracy: 0.5)
+        XCTAssertEqual(purchaseBadge.frame.maxY, 170, accuracy: 0.5)
+        XCTAssertTrue(combinedCell.accessibilityLabel?.contains("购买状态：已购") == true)
+        XCTAssertTrue(combinedCell.accessibilityLabel?.contains("修图状态：修图中") == true)
+
        let hiddenCell = TravelAlbumMaterialCell(frame: CGRect(x: 0, y: 0, width: 176, height: 220))
        hiddenCell.apply(
            material: TravelAlbumMaterial(aiRetouchStatus: 0, aiRetouchStatusName: "已上传"),
            selectionMode: false,
            selected: false
        )
-        let hiddenBadge = try XCTUnwrap(
+        let hiddenPurchaseBadge = try XCTUnwrap(
            hiddenCell.findSubview {
-                $0.accessibilityIdentifier == "travelAlbum.materialStatusBadge"
+                $0.accessibilityIdentifier == "travelAlbum.materialPurchaseBadge"
            }
        )
-        XCTAssertTrue(hiddenBadge.isHidden)
-        XCTAssertFalse(hiddenCell.accessibilityLabel?.contains("状态：") == true)
+        let hiddenAIRetouchBadge = try XCTUnwrap(
+            hiddenCell.findSubview {
+                $0.accessibilityIdentifier == "travelAlbum.materialAIRetouchBadge"
+            }
+        )
+        XCTAssertTrue(hiddenPurchaseBadge.isHidden)
+        XCTAssertTrue(hiddenAIRetouchBadge.isHidden)
+        XCTAssertFalse(hiddenCell.accessibilityLabel?.contains("购买状态：") == true)
+        XCTAssertFalse(hiddenCell.accessibilityLabel?.contains("修图状态：") == true)
    }

    private func waitUntil(_ condition: @escaping () -> Bool) async {
@@ -399,34 +399,48 @@ final class TravelAlbumModelsTests: XCTestCase {
        XCTAssertEqual(material.aiAtmosphereURL, "")
    }

-    func testTravelAlbumMaterialBadgePriorityAndFallbacks() {
-        XCTAssertNil(TravelAlbumMaterial(aiRetouchStatus: 0).badgePresentation)
+    func testTravelAlbumMaterialPurchaseAndAIRetouchBadgesAreIndependent() {
+        XCTAssertNil(TravelAlbumMaterial().purchaseBadgePresentation)
        XCTAssertEqual(
-            TravelAlbumMaterial(isPurchased: true, aiRetouchStatus: 0, aiRetouchStatusName: "已上传")
-                .badgePresentation,
+            TravelAlbumMaterial(isPurchased: true).purchaseBadgePresentation,
+            TravelAlbumMaterialBadgePresentation(kind: .purchased, text: "已购")
+        )
+        XCTAssertNil(TravelAlbumMaterial(isPurchased: true).aiRetouchBadgePresentation)
+        let purchasedAndProcessing = TravelAlbumMaterial(isPurchased: true, aiRetouchStatus: 2)
+        XCTAssertEqual(
+            purchasedAndProcessing.purchaseBadgePresentation,
            TravelAlbumMaterialBadgePresentation(kind: .purchased, text: "已购")
        )
        XCTAssertEqual(
-            TravelAlbumMaterial(aiRetouchStatus: 1, aiRetouchStatusName: " 排队中 ").badgePresentation,
-            TravelAlbumMaterialBadgePresentation(kind: .pending, text: "排队中")
-        )
-        XCTAssertEqual(
-            TravelAlbumMaterial(aiRetouchStatus: 2, aiRetouchStatusName: " ").badgePresentation,
+            purchasedAndProcessing.aiRetouchBadgePresentation,
            TravelAlbumMaterialBadgePresentation(kind: .processing, text: "修图中")
        )
        XCTAssertEqual(
-            TravelAlbumMaterial(aiRetouchStatus: 3).badgePresentation,
+            TravelAlbumMaterial(aiRetouchStatus: 1, aiRetouchStatusName: " 排队中 ")
+                .aiRetouchBadgePresentation,
+            TravelAlbumMaterialBadgePresentation(kind: .pending, text: "排队中")
+        )
+        XCTAssertEqual(
+            TravelAlbumMaterial(aiRetouchStatus: 2, aiRetouchStatusName: " ").aiRetouchBadgePresentation,
+            TravelAlbumMaterialBadgePresentation(kind: .processing, text: "修图中")
+        )
+        XCTAssertEqual(
+            TravelAlbumMaterial(aiRetouchStatus: 3).aiRetouchBadgePresentation,
            TravelAlbumMaterialBadgePresentation(kind: .retouched, text: "AI已修")
        )
        XCTAssertEqual(
-            TravelAlbumMaterial(aiRetouchStatus: 3, aiRetouchStatusName: "AI封面").badgePresentation,
+            TravelAlbumMaterial(aiRetouchStatus: 3, aiRetouchStatusName: "AI封面")
+                .aiRetouchBadgePresentation,
            TravelAlbumMaterialBadgePresentation(kind: .cover, text: "AI封面")
        )
        XCTAssertEqual(
-            TravelAlbumMaterial(aiRetouchStatus: 4).badgePresentation,
+            TravelAlbumMaterial(aiRetouchStatus: 4).aiRetouchBadgePresentation,
            TravelAlbumMaterialBadgePresentation(kind: .failed, text: "失败")
        )
-        XCTAssertNil(TravelAlbumMaterial(aiRetouchStatus: 99, aiRetouchStatusName: "未知").badgePresentation)
+        XCTAssertNil(
+            TravelAlbumMaterial(aiRetouchStatus: 99, aiRetouchStatusName: "未知")
+                .aiRetouchBadgePresentation
+        )
    }

    func testDisplayFormatters() {
@@ -279,14 +279,22 @@ final class TravelAlbumDetailViewModelTests: XCTestCase {
        XCTAssertEqual(TravelAlbumDisplayFormatter.creationTimeText(""), "--")
    }

-    func testOnlyUnpurchasedMaterialCanBeSelected() {
+    func testAllMaterialsCanBeSelectedAndPurchasedTabSupportsSelectionMode() async {
+        let api = TravelAlbumMockAPI()
+        api.materialListResponses = [TravelAlbumListResponse(total: 1, list: [])]
        let viewModel = TravelAlbumDetailViewModel(albumId: 2)
+        await viewModel.selectTab(.purchased, api: api)
        viewModel.toggleSelectionMode()
-        viewModel.toggleMaterialSelection(TravelAlbumMaterial(id: 1, status: 2))
-        XCTAssertTrue(viewModel.selectedMaterialIds.isEmpty)
+        viewModel.toggleMaterialSelection(TravelAlbumMaterial(id: 1, isPurchased: true))
+        viewModel.toggleMaterialSelection(TravelAlbumMaterial(id: 2, isPurchased: false))

-        viewModel.toggleMaterialSelection(TravelAlbumMaterial(id: 1, status: 1))
-        XCTAssertEqual(viewModel.selectedMaterialIds, [1])
+        XCTAssertTrue(viewModel.isSelectionMode)
+        XCTAssertEqual(viewModel.selectedMaterialIds, [1, 2])
+        XCTAssertEqual(viewModel.selectedPurchasedMaterialCount, 1)
+        XCTAssertEqual(
+            viewModel.deleteSelectedConfirmationMessage,
+            "已选择 2 张素材，其中 1 张已购买。不会删除已购买的项目，只会删除 1 张未购买的项目。"
+        )
    }

    func testCompletingAIRetouchClearsSelectionModeAndSelectedMaterials() {
@@ -405,6 +413,42 @@ final class TravelAlbumDetailViewModelTests: XCTestCase {
        XCTAssertFalse(viewModel.isSelectionMode)
        XCTAssertTrue(viewModel.selectedMaterialIds.isEmpty)
    }
+
+    func testDeleteSelectedMaterialsFiltersPurchasedItemsFromBatchRequest() async {
+        let api = TravelAlbumMockAPI()
+        api.materialListResponses = [
+            TravelAlbumListResponse(total: 0, list: []),
+            TravelAlbumListResponse(total: 0, list: []),
+            TravelAlbumListResponse(total: 0, list: []),
+        ]
+        let viewModel = TravelAlbumDetailViewModel(albumId: 5)
+        viewModel.toggleSelectionMode()
+        viewModel.toggleMaterialSelection(TravelAlbumMaterial(id: 10, isPurchased: true))
+        viewModel.toggleMaterialSelection(TravelAlbumMaterial(id: 11, isPurchased: false))
+        viewModel.toggleMaterialSelection(TravelAlbumMaterial(id: 12, isPurchased: true))
+
+        await viewModel.deleteSelectedMaterials(api: api)
+
+        XCTAssertEqual(api.deletedMaterialIDBatches, [[11]])
+        XCTAssertFalse(viewModel.isSelectionMode)
+        XCTAssertTrue(viewModel.selectedMaterialIds.isEmpty)
+    }
+
+    func testDeleteSelectedMaterialsDoesNotRequestAPIWhenAllSelectedItemsArePurchased() async {
+        let api = TravelAlbumMockAPI()
+        let viewModel = TravelAlbumDetailViewModel(albumId: 5)
+        var message = ""
+        viewModel.onShowMessage = { message = $0 }
+        viewModel.toggleSelectionMode()
+        viewModel.toggleMaterialSelection(TravelAlbumMaterial(id: 10, isPurchased: true))
+
+        await viewModel.deleteSelectedMaterials(api: api)
+
+        XCTAssertTrue(api.deletedMaterialIDBatches.isEmpty)
+        XCTAssertEqual(message, "选中的素材均已购买，未删除任何项目")
+        XCTAssertTrue(viewModel.isSelectionMode)
+        XCTAssertEqual(viewModel.selectedMaterialIds, [10])
+    }
 }

 /// 有线传输 ViewModel 测试。