feat: open-source 小浣熊阅读 for iOS

2026-10-20 19:21:22 +08:00 · 2026-10-14 11:37:36 +08:00
commit ffc9e9d91d
193 changed files with 41382 additions and 0 deletions
@@ -0,0 +1,64 @@
+import SwiftUI
+#if SWIFT_PACKAGE
+import LegadoCore
+#endif
+
+@MainActor
+final class BookshelfReadViewModel: ObservableObject {
+    @Published private(set) var chapters: [BookChapter] = []
+    @Published private(set) var resolvedBook: Book?
+    @Published private(set) var isLoading = false
+    @Published private(set) var errorMessage: String?
+    private let localService: LocalBookService
+    private let updateCoordinator: BookUpdateCoordinator
+
+    init(
+        localService: LocalBookService = .init(),
+        updateCoordinator: BookUpdateCoordinator = .init(repository: AppBookChapterRepository.live())
+    ) {
+        self.localService = localService
+        self.updateCoordinator = updateCoordinator
+    }
+
+    func load(book: Book, source: BookSource?) async {
+        guard chapters.isEmpty, !isLoading else { return }
+        isLoading = true
+        defer { isLoading = false }
+        if book.origin == "local" {
+            do {
+                let report = try await Task.detached { [localService] in
+                    try localService.loadChapters(book: book)
+                }.value
+                chapters = report.chapters
+                resolvedBook = book
+            } catch {
+                errorMessage = error.localizedDescription
+            }
+            return
+        }
+        let stored = await updateCoordinator.storedChapters(bookURL: book.bookUrl)
+        if !stored.isEmpty, matchesReadingProgress(book, chapters: stored) {
+            chapters = stored
+            resolvedBook = book
+            return
+        }
+        guard let source else {
+            errorMessage = "目录与阅读进度不一致，且当前书籍的书源不存在。请先恢复或更换书源。"
+            return
+        }
+        let report = await updateCoordinator.refresh(book: book, source: source)
+        if report.refreshed, matchesReadingProgress(report.book, chapters: report.chapters) {
+            chapters = report.chapters
+            resolvedBook = report.book
+        } else {
+            errorMessage = report.diagnostics.first?.message ?? "目录刷新后仍与阅读进度不一致，请稍后重试。"
+        }
+    }
+
+    private func matchesReadingProgress(_ book: Book, chapters: [BookChapter]) -> Bool {
+        guard book.totalChapterNum == 0 || book.totalChapterNum == chapters.count else { return false }
+        guard let title = book.durChapterTitle, !title.isEmpty else { return true }
+        return chapters.indices.contains(book.durChapterIndex)
+            && chapters[book.durChapterIndex].title == title
+    }
+}