init: init proj

DDYSClient/ViewModels/DetailViewModel.swift

@@ -0,0 +1,66 @@
+import Foundation
+
+@Observable
+final class DetailViewModel {
+    var detail: ContentDetail?
+    var selectedSourceIndex = 0
+    var selectedEpisodeIndex = 0
+    var isLoading = false
+    var error: String?
+
+    var currentSource: StreamSource? {
+        guard let detail, selectedSourceIndex < detail.sources.count else { return nil }
+        return detail.sources[selectedSourceIndex]
+    }
+
+    var currentEpisode: Episode? {
+        guard let source = currentSource,
+              selectedEpisodeIndex < source.episodes.count else { return nil }
+        return source.episodes[selectedEpisodeIndex]
+    }
+
+    var hasMultipleEpisodes: Bool {
+        guard let source = currentSource else { return false }
+        return source.episodes.count > 1
+    }
+
+    func loadDetail(path: String) async {
+        isLoading = true
+        error = nil
+        defer { isLoading = false }
+
+        do {
+            let html = try await APIClient.shared.fetchDetailPage(path: path)
+            let parsedDetail = try HTMLParser.parseContentDetail(html: html)
+            await MainActor.run {
+                self.detail = parsedDetail
+                self.selectedSourceIndex = 0
+                self.selectedEpisodeIndex = 0
+            }
+        } catch is CancellationError {
+            return
+        } catch let error as URLError where error.code == .cancelled {
+            return
+        } catch {
+            await MainActor.run { self.error = error.localizedDescription }
+        }
+    }
+
+    func selectSource(_ index: Int) {
+        selectedSourceIndex = index
+        selectedEpisodeIndex = 0
+    }
+
+    func selectEpisode(_ index: Int) {
+        selectedEpisodeIndex = index
+    }
+
+    func nextEpisode() -> Bool {
+        guard let source = currentSource else { return false }
+        if selectedEpisodeIndex + 1 < source.episodes.count {
+            selectedEpisodeIndex += 1
+            return true
+        }
+        return false
+    }
+}