'update'

ipad_app/Sources/Services/BundleImporter.swift

@@ -0,0 +1,130 @@
+// BundleImporter.swift
+// 导入 ZIP 包并解析为 BundleIndex
+
+import Foundation
+import ZIPFoundation
+import UniformTypeIdentifiers
+#if canImport(UIKit)
+import UIKit
+#endif
+
+@available(macOS 10.15, iOS 13.0, *)
+final class BundleImporter: NSObject, ObservableObject {
+    @Published var bundleIndex: BundleIndex?
+    @Published var progressMessage: String? = nil
+    @Published var errorMessage: String? = nil
+    @Published var lastImportedURL: URL? = nil
+
+    var index: BundleIndex? { bundleIndex }
+    private let fm = FileManager.default
+
+    // 公开导入方法供CLI使用
+    func importZipFile(at url: URL) async throws -> BundleIndex {
+        let ts = Int(Date().timeIntervalSince1970)
+        let baseDir = try bundleBaseDirectory()
+        let target = baseDir.appendingPathComponent("bundle_\(ts)")
+        try fm.createDirectory(at: target, withIntermediateDirectories: true)
+        try fm.unzipItem(at: url, to: target)
+        let idx = try parseBundle(at: target)
+        await MainActor.run {
+            self.bundleIndex = idx
+            self.lastImportedURL = url
+        }
+        return idx
+    }
+
+    // iOS 选择器
+    func presentPicker() {
+        #if canImport(UIKit)
+        let types: [UTType] = [UTType.filenameExtension("zip")!]
+        let picker = UIDocumentPickerViewController(forOpeningContentTypes: types, asCopy: true)
+        picker.delegate = self
+        picker.allowsMultipleSelection = false
+        UIApplication.shared.firstKeyWindow?.rootViewController?.present(picker, animated: true)
+        #else
+        print("[BundleImporter] presentPicker() unsupported on this platform")
+        #endif
+    }
+
+    // 存储目录
+    private func bundleBaseDirectory() throws -> URL {
+        let appSup = try fm.url(for: .applicationSupportDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
+        let dir = appSup.appendingPathComponent("ImportedBundle")
+        if !fm.fileExists(atPath: dir.path) { try fm.createDirectory(at: dir, withIntermediateDirectories: true) }
+        return dir
+    }
+
+    @MainActor private func update(message: String?) { self.progressMessage = message }
+
+    // 解析内容
+    private func parseBundle(at dir: URL) throws -> BundleIndex {
+        func load<T:Decodable>(_ name: String, _ type: T.Type) throws -> T {
+            let data = try Data(contentsOf: dir.appendingPathComponent(name))
+            return try JSONDecoder().decode(T.self, from: data)
+        }
+        let books: [BookMeta] = try load("books_meta.json", [BookMeta].self)
+        let stats: StatsPayload = try load("stats.json", StatsPayload.self)
+        let introData = try? Data(contentsOf: dir.appendingPathComponent("bookintro.json"))
+        let bookIntro = (introData.flatMap { try? JSONDecoder().decode([String:String].self, from: $0) }) ?? [:]
+
+        let annotationsRaw = try Data(contentsOf: dir.appendingPathComponent("annotations.json"))
+        let anyMap = (try? JSONSerialization.jsonObject(with: annotationsRaw)) as? [String:Any] ?? [:]
+        var annMap: [String:[AnnotationRow]] = [:]
+        for (k,v) in anyMap {
+            guard let arr = v as? [[String:Any]] else { continue }
+            let rows: [AnnotationRow] = arr.compactMap { d in
+                guard let uuid = d["uuid"] as? String else { return nil }
+                return AnnotationRow(
+                    uuid: uuid,
+                    creationdate: d["creationdate"] as? String,
+                    idref: d["idref"] as? String,
+                    filepos: d["filepos"] as? String,
+                    selected: d["selected"] as? String,
+                    note: d["note"] as? String
+                )
+            }
+            annMap[k] = rows
+        }
+        return BundleIndex(books: books, stats: stats, bookIntro: bookIntro, annotationsMap: annMap)
+    }
+
+    // 导入执行
+    private func importZip(at url: URL) async {
+        await update(message: "解压中...")
+        do {
+            let ts = Int(Date().timeIntervalSince1970)
+            let baseDir = try bundleBaseDirectory()
+            let target = baseDir.appendingPathComponent("bundle_\(ts)")
+            try fm.createDirectory(at: target, withIntermediateDirectories: true)
+            try fm.unzipItem(at: url, to: target)
+            await update(message: "解析 JSON...")
+            let idx = try parseBundle(at: target)
+            await MainActor.run {
+                self.bundleIndex = idx
+                self.lastImportedURL = url
+            }
+            await update(message: nil)
+        } catch {
+            await MainActor.run { self.errorMessage = error.localizedDescription }
+            await update(message: nil)
+        }
+    }
+}
+
+#if canImport(UIKit)
+extension BundleImporter: UIDocumentPickerDelegate {
+    func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
+        guard let url = urls.first else { return }
+        lastImportedURL = url
+        Task { await importZip(at: url) }
+    }
+}
+
+extension UIApplication {
+    var firstKeyWindow: UIWindow? {
+        self.connectedScenes.compactMap { $0 as? UIWindowScene }
+            .flatMap { $0.windows }
+            .first { $0.isKeyWindow }
+    }
+}
+#endif