init: init proj

DDYSClient/ViewModels/HomeViewModel.swift

@@ -0,0 +1,65 @@
+import Foundation
+
+@Observable
+final class HomeViewModel {
+    var recommendedItems: [ContentItem] = []
+    var latestItems: [ContentItem] = []
+    var hotMovies: [HotMovieItem] = []
+    var isLoading = false
+    var error: String?
+
+    private let cacheKey = "home"
+
+    var hasData: Bool {
+        !recommendedItems.isEmpty || !latestItems.isEmpty
+    }
+
+    @MainActor
+    func loadHomeIfNeeded() async {
+        if hasData && !ContentCache.shared.isExpired(key: cacheKey) {
+            return
+        }
+        await loadHome()
+    }
+
+    @MainActor
+    func loadHome() async {
+        isLoading = true
+        error = nil
+
+        await withTaskGroup(of: Void.self) { group in
+            group.addTask { await self.loadHomePage() }
+            group.addTask { await self.loadHotMovies() }
+        }
+
+        if error == nil && hasData {
+            ContentCache.shared.markFresh(key: cacheKey)
+        }
+
+        isLoading = false
+    }
+
+    private func loadHomePage() async {
+        do {
+            let html = try await APIClient.shared.fetchHomePage()
+            let sections = try HTMLParser.parseHomeSections(html: html)
+            await MainActor.run {
+                if sections.count > 0 { self.recommendedItems = sections[0] }
+                if sections.count > 1 { self.latestItems = sections[1] }
+            }
+        } catch is CancellationError {
+        } catch let error as URLError where error.code == .cancelled {
+        } catch {
+            await MainActor.run { self.error = error.localizedDescription }
+        }
+    }
+
+    private func loadHotMovies() async {
+        do {
+            let movies = try await APIClient.shared.fetchHotMovies()
+            await MainActor.run { self.hotMovies = movies }
+        } catch {
+            // 热门 API 失败不影响主页显示
+        }
+    }
+}