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
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+import Foundation
+import Speech
+import SwiftData
+import WatchConnectivity
+
+/// iPhone 端接收胶水代码：拖进 YuJi iPhone 工程即可。
+/// 在 YuJiApp 启动时调用 WatchSyncService.shared.activate(modelContext:)。
+/// 收到手表传来的录音文件后：拷进 AudioStorage → 系统语音识别转写 → 生成一条 VoiceNote，
+/// 之后在 App 里点 AI 整理即可（和正常录音的笔记完全一样）。
+final class WatchSyncService: NSObject, WCSessionDelegate, ObservableObject {
+    static let shared = WatchSyncService()
+
+    private var modelContext: ModelContext?
+    private let recognizer = SFSpeechRecognizer(locale: Locale(identifier: "zh-CN"))
+
+    func activate(modelContext: ModelContext) {
+        self.modelContext = modelContext
+        guard WCSession.isSupported() else { return }
+        let session = WCSession.default
+        session.delegate = self
+        session.activate()
+    }
+
+    // MARK: - WCSessionDelegate
+
+    func session(_ session: WCSession, activationDidCompleteWith activationState: WCSessionActivationState, error: Error?) {
+        // 激活完成即可收文件
+    }
+
+    func sessionDidBecomeInactive(_ session: WCSession) {}
+    func sessionDidDeactivate(_ session: WCSession) {}
+
+    func session(_ session: WCSession, didReceive file: WCSessionFile) {
+        let fileName = file.fileURL.lastPathComponent
+        let destURL = AudioStorage.directory.appendingPathComponent(fileName)
+        do {
+            if FileManager.default.fileExists(atPath: destURL.path) {
+                try FileManager.default.removeItem(at: destURL)
+            }
+            try FileManager.default.copyItem(at: file.fileURL, to: destURL)
+        } catch {
+            print("手表录音保存失败：\(error)")
+            return
+        }
+        transcribeAndSave(audioURL: destURL, fileName: fileName)
+    }
+
+    // MARK: - 转写并建笔记
+
+    private func transcribeAndSave(audioURL: URL, fileName: String) {
+        guard let recognizer, recognizer.isAvailable else {
+            // 识别暂不可用：先建一条空转写笔记，用户可在 App 里重新整理
+            insertNote(title: "手表速记", transcript: "", fileName: fileName)
+            return
+        }
+        let request = SFSpeechURLRecognitionRequest(url: audioURL)
+        if recognizer.supportsOnDeviceRecognition {
+            request.requiresOnDeviceRecognition = true
+        }
+        recognizer.recognitionTask(with: request) { [weak self] result, error in
+            guard let self else { return }
+            guard let result, result.isFinal else {
+                if error != nil {
+                    self.insertNote(title: "手表速记", transcript: "", fileName: fileName)
+                }
+                return
+            }
+            let text = result.bestTranscription.formattedString
+            let title = text.count > 20 ? String(text.prefix(20)) + "…" : (text.isEmpty ? "手表速记" : text)
+            self.insertNote(title: title, transcript: text, fileName: fileName)
+        }
+    }
+
+    @MainActor
+    private func insertNote(title: String, transcript: String, fileName: String) {
+        guard let modelContext else { return }
+        let note = VoiceNote(title: title, transcript: transcript, audioFileName: fileName)
+        modelContext.insert(note)
+        try? modelContext.save()
+    }
+}