75 lines
3.0 KiB
Swift
75 lines
3.0 KiB
Swift
import Foundation
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import WatchConnectivity
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import WidgetKit
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/// 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。
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@MainActor
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final class WatchSessionManager: NSObject, ObservableObject, WCSessionDelegate {
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static let todayCountKey = "yujiTodayCount"
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static let todayDateKey = "yujiTodayDate"
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@Published var transferState = ""
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@Published var todayCount = 0
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private var completions: [String: (Result<Void, Error>) -> Void] = [:]
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override init() {
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super.init()
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todayCount = Self.loadTodayCount()
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if WCSession.isSupported() {
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let session = WCSession.default
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session.delegate = self
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session.activate()
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}
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}
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/// 今日速记数：按自然日归零，存在手表本地 UserDefaults
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static func loadTodayCount() -> Int {
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let defaults = UserDefaults.standard
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let today = Calendar.current.startOfDay(for: Date())
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if let saved = defaults.object(forKey: todayDateKey) as? Date,
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Calendar.current.isDate(saved, inSameDayAs: today) {
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return defaults.integer(forKey: todayCountKey)
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}
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defaults.set(today, forKey: todayDateKey)
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defaults.set(0, forKey: todayCountKey)
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return 0
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}
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private func bumpTodayCount() {
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todayCount = Self.loadTodayCount() + 1
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UserDefaults.standard.set(todayCount, forKey: todayCountKey)
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WidgetCenter.shared.reloadAllTimelines()
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}
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/// 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）
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func transfer(url: URL, completion: @escaping (Result<Void, Error>) -> Void) {
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guard WCSession.isSupported(), WCSession.default.activationState == .activated else {
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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。"])))
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return
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}
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let transfer = WCSession.default.transferFile(url, metadata: ["createdAt": Date().timeIntervalSince1970])
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completions[transfer.file.fileURL.lastPathComponent] = completion
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transferState = "正在传到 iPhone…"
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}
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// MARK: - WCSessionDelegate
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func session(_ session: WCSession, activationDidCompleteWith activationState: WCSessionActivationState, error: Error?) {
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// 激活完成即可传文件，无需额外处理
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}
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func session(_ session: WCSession, didFinish fileTransfer: WCSessionFileTransfer, error: Error?) {
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let key = fileTransfer.file.fileURL.lastPathComponent
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guard let completion = completions.removeValue(forKey: key) else { return }
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if let error {
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transferState = "传输失败：\(error.localizedDescription)"
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completion(.failure(error))
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} else {
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transferState = "已传到 iPhone"
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bumpTodayCount()
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completion(.success(()))
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}
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}
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}
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