语记手表版 v0.1：一键录音、WatchConnectivity 传输、表盘复杂功能、iPhone 接收转写

2026-10-28 15:24:18 +08:00
commit 0858e706c5
9 changed files with 523 additions and 0 deletions
@@ -0,0 +1,74 @@
+import Foundation
+import WatchConnectivity
+import WidgetKit
+
+/// 手表端会话管理：激活 WCSession、传录音文件到 iPhone、维护今日速记数并刷新复杂功能。
+@MainActor
+final class WatchSessionManager: NSObject, ObservableObject, WCSessionDelegate {
+    static let todayCountKey = "yujiTodayCount"
+    static let todayDateKey = "yujiTodayDate"
+
+    @Published var transferState = ""
+    @Published var todayCount = 0
+
+    private var completions: [String: (Result<Void, Error>) -> Void] = [:]
+
+    override init() {
+        super.init()
+        todayCount = Self.loadTodayCount()
+        if WCSession.isSupported() {
+            let session = WCSession.default
+            session.delegate = self
+            session.activate()
+        }
+    }
+
+    /// 今日速记数：按自然日归零，存在手表本地 UserDefaults
+    static func loadTodayCount() -> Int {
+        let defaults = UserDefaults.standard
+        let today = Calendar.current.startOfDay(for: Date())
+        if let saved = defaults.object(forKey: todayDateKey) as? Date,
+           Calendar.current.isDate(saved, inSameDayAs: today) {
+            return defaults.integer(forKey: todayCountKey)
+        }
+        defaults.set(today, forKey: todayDateKey)
+        defaults.set(0, forKey: todayCountKey)
+        return 0
+    }
+
+    private func bumpTodayCount() {
+        todayCount = Self.loadTodayCount() + 1
+        UserDefaults.standard.set(todayCount, forKey: todayCountKey)
+        WidgetCenter.shared.reloadAllTimelines()
+    }
+
+    /// 传录音文件到 iPhone，完成后回调（成功时今日数 +1 并刷新复杂功能）
+    func transfer(url: URL, completion: @escaping (Result<Void, Error>) -> Void) {
+        guard WCSession.isSupported(), WCSession.default.activationState == .activated else {
+            completion(.failure(NSError(domain: "YuJiWatch", code: 1, userInfo: [NSLocalizedDescriptionKey: "手表与 iPhone 未连接，录音先存在手表上，连上后会自动重传。"])))
+            return
+        }
+        let transfer = WCSession.default.transferFile(url, metadata: ["createdAt": Date().timeIntervalSince1970])
+        completions[transfer.file.fileURL.lastPathComponent] = completion
+        transferState = "正在传到 iPhone…"
+    }
+
+    // MARK: - WCSessionDelegate
+
+    func session(_ session: WCSession, activationDidCompleteWith activationState: WCSessionActivationState, error: Error?) {
+        // 激活完成即可传文件，无需额外处理
+    }
+
+    func session(_ session: WCSession, didFinish fileTransfer: WCSessionFileTransfer, error: Error?) {
+        let key = fileTransfer.file.fileURL.lastPathComponent
+        guard let completion = completions.removeValue(forKey: key) else { return }
+        if let error {
+            transferState = "传输失败：\(error.localizedDescription)"
+            completion(.failure(error))
+        } else {
+            transferState = "已传到 iPhone"
+            bumpTodayCount()
+            completion(.success(()))
+        }
+    }
+}