feat: add AI retouch and album preview actions

suixinkanTests/TravelAlbumViewModelTests.swift

@@ -173,6 +173,39 @@ final class TravelAlbumDetailViewModelTests: XCTestCase {
         XCTAssertEqual(viewModel.selectedMaterialIds, [1])
     }
 
+    func testCompletingAIRetouchClearsSelectionModeAndSelectedMaterials() {
+        let viewModel = TravelAlbumDetailViewModel(albumId: 2)
+        viewModel.toggleSelectionMode()
+        viewModel.toggleMaterialSelection(TravelAlbumMaterial(id: 1, status: 1))
+
+        viewModel.completeAIRetouchSubmission()
+
+        XCTAssertFalse(viewModel.isSelectionMode)
+        XCTAssertTrue(viewModel.selectedMaterialIds.isEmpty)
+    }
+
+    func testPreviewDeletionRemovesMaterialAndSynchronizesCounts() async {
+        let api = TravelAlbumMockAPI()
+        api.materialListResponses = [
+            TravelAlbumListResponse(
+                total: 3,
+                list: [
+                    TravelAlbumMaterial(id: 1),
+                    TravelAlbumMaterial(id: 2, isPurchased: true),
+                    TravelAlbumMaterial(id: 3),
+                ]
+            ),
+        ]
+        let viewModel = TravelAlbumDetailViewModel(albumId: 2)
+        await viewModel.loadMaterials(reset: true, api: api)
+
+        viewModel.removeMaterialAfterPreviewDeletion(id: 2)
+
+        XCTAssertEqual(viewModel.materials.map(\.id), [1, 3])
+        XCTAssertEqual(viewModel.allPhotoCount, 2)
+        XCTAssertEqual(viewModel.purchasedPhotoCount, 0)
+    }
+
     func testDeleteAlbumCallsCallback() async {
         let api = TravelAlbumMockAPI()
         let viewModel = TravelAlbumDetailViewModel(albumId: 5)
@@ -1015,7 +1048,13 @@ final class TravelAlbumMockAPI: TravelAlbumServing {
     var uploadMaterialResponse = TravelAlbumMaterial()
     var materialClientPhotoIdsResponse = TravelAlbumMaterialClientPhotoIDsResponse(clientPhotoIds: [])
     var mpCodeResponse = TravelAlbumMpCodeResponse(mpCodeOssUrl: "")
+    var aiRetouchTemplatesResponse = TravelAlbumAIRetouchTemplatesResponse()
     var createError: Error?
+    var aiRetouchTemplatesError: Error?
+    var submitAIRetouchError: Error?
+    var submitAIRetouchDelayNanoseconds: UInt64 = 0
+    var deleteMaterialError: Error?
+    var deleteMaterialDelayNanoseconds: UInt64 = 0
 
     private(set) var availableOrdersCallCount = 0
     private(set) var createRequests: [TravelAlbumCreateRequest] = []
@@ -1024,6 +1063,8 @@ final class TravelAlbumMockAPI: TravelAlbumServing {
     private(set) var materialClientPhotoIdsCallCount = 0
     private(set) var deletedAlbumIds: [Int] = []
     private(set) var deletedMaterialIds: [Int] = []
+    private(set) var aiRetouchTemplateScenicIds: [Int] = []
+    private(set) var aiRetouchRequests: [TravelAlbumAIRetouchRequest] = []
 
     func availableOrders() async throws -> [TravelAlbumAvailableOrder] {
         availableOrdersCallCount += 1
@@ -1084,9 +1125,27 @@ final class TravelAlbumMockAPI: TravelAlbumServing {
 
     func deleteMaterial(id: Int) async throws {
         deletedMaterialIds.append(id)
+        if deleteMaterialDelayNanoseconds > 0 {
+            try await Task.sleep(nanoseconds: deleteMaterialDelayNanoseconds)
+        }
+        if let deleteMaterialError { throw deleteMaterialError }
     }
 
     func mpCode(id: Int) async throws -> TravelAlbumMpCodeResponse {
         mpCodeResponse
     }
+
+    func aiRetouchTemplates(scenicId: Int) async throws -> TravelAlbumAIRetouchTemplatesResponse {
+        aiRetouchTemplateScenicIds.append(scenicId)
+        if let aiRetouchTemplatesError { throw aiRetouchTemplatesError }
+        return aiRetouchTemplatesResponse
+    }
+
+    func submitAIRetouch(_ request: TravelAlbumAIRetouchRequest) async throws {
+        aiRetouchRequests.append(request)
+        if submitAIRetouchDelayNanoseconds > 0 {
+            try await Task.sleep(nanoseconds: submitAIRetouchDelayNanoseconds)
+        }
+        if let submitAIRetouchError { throw submitAIRetouchError }
+    }
 }