feat(integrations,classisland,server,web,desktop): ClassIsland 联动插件——上报课表与上课状态、下发提醒并回执、教室端推送通道
教室机器上的 ClassIsland 现在可以直接和班级小助手互通：插件走 /api/integrations/classisland/*，用设备令牌（X-ClassIsland-Token，库里只存 sha256）独立鉴权，不占用 JWT 通道。 - 服务端：新增 integrations 模块（上报 / 待弹出 / 回执 / 课表镜像 / 回写），两个迁移（设备令牌表、Class.notificationChannel）；通知、叫人、联动页下发统一复用 pushToClassIsland，避免"某个页面发的通知不联动" - 插件：packages/classisland-plugin（.NET 8，独立于 pnpm workspace）——BridgeService 上报与提醒轮询、ScheduleMapper/ClassPlanWriter 课表镜像、Avalonia 设置页、ClassHelperNotificationProvider 在 ClassIsland 上弹出提醒；本地/内网地址强制直连，躲开系统代理返回的假 404 - 客户端：设置页可选提醒通道（both / client / classisland），并订阅相应实时事件 - Web 端：新增「ClassIsland 联动」页（设备管理与提醒下发） - 校验与打包：verify:classisland（需后端）、verify:classisland-plugin（静态契约 54 项）、build/dist:classisland-plugin 产出 .cipx - 文档：README 与 AGENTS.md 同步新增联动说明，docs/screenshots/classisland 留三张真机截图 门禁：pnpm lint 0 error、pnpm typecheck 四包通过、verify:classisland-plugin 54/54 通过。运行期仍需在装了 ClassIsland 的机器上实测（步骤见 AGENTS.md §8）。
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using System.ComponentModel;
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using System.Runtime.CompilerServices;
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using ClassHelper.ClassIslandPlugin.Interop;
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using ClassHelper.ClassIslandPlugin.Models;
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using ClassIsland.Core;
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using ClassIsland.Core.Abstractions.Services;
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using ClassIsland.Core.Models.Notification;
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using ClassIsland.Shared;
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using Microsoft.Extensions.Logging;
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namespace ClassHelper.ClassIslandPlugin.Services;
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/// <summary>
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/// 联动主循环。三件事：
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/// 1. <b>上报</b>：应用启动后、课程事件（上课/下课/放学/状态变化）发生时、以及每 N 秒，
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/// 把"当前上什么课"与（可选的）全量课表推给班级小助手；
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/// 2. <b>接收</b>：每次上报的返回值里带一条"尚未确认的下发提醒"，
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/// 交给 <see cref="ClassHelperNotificationProvider"/> 在 ClassIsland 上弹出；
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/// 3. <b>镜像</b>：开启镜像开关时，把班级小助手上排好的课表写回 ClassIsland 档案。
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///
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/// 为什么用"上报即拉取"而不是长连接：
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/// 插件不需要额外的 Socket/WebSocket 依赖（避免程序集隔离带来的加载问题），
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/// 而教室机器的上报间隔本身就是心跳 —— 顺路把待提醒带回来，依赖更少、故障面更小。
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///
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/// 线程约定：HttpClient 回调在线程池上，因此所有跨线程可见的状态都用 <c>lock</c> 或
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/// 赋值引用（<c>string</c> / <c>int</c>）保护，属性变化通过 <see cref="PropertyChanged"/> 通知设置页。
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/// </summary>
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public sealed class BridgeService : INotifyPropertyChanged, IDisposable
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{
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private readonly PluginSettings _settings;
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private readonly ILogger<BridgeService> _logger;
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private readonly ClassHelperClient _client = new();
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private readonly object _gate = new();
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private ILessonsService? _lessons;
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private Timer? _timer;
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private Timer? _notifyTimer;
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private bool _disposed;
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private bool _reporting;
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private bool _pulling;
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private bool _eventsHooked;
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public BridgeService(PluginSettings settings, ILogger<BridgeService> logger)
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{
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_settings = settings;
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_logger = logger;
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}
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public event PropertyChangedEventHandler? PropertyChanged;
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/// <summary>上报结果变化时触发（设置页据此刷新）。</summary>
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public event EventHandler? StateChanged;
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/// <summary>需要把提醒丢给提醒提供方去显示。</summary>
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public event EventHandler<PushNotificationDto>? NotificationReceived;
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/* ---------------------------------------------------------------- 供设置页绑定的状态 */
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private string _lastReportMessage = "尚未上报";
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/// <summary>最近一次上报的结果描述。</summary>
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public string LastReportMessage
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{
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get => _lastReportMessage;
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private set => SetField(ref _lastReportMessage, value);
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}
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private bool _lastReportOk;
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public bool LastReportOk
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{
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get => _lastReportOk;
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private set => SetField(ref _lastReportOk, value);
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}
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private DateTimeOffset? _lastReportAt;
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public DateTimeOffset? LastReportAt
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{
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get => _lastReportAt;
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private set
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{
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if (SetField(ref _lastReportAt, value)) Raise(nameof(LastReportAtText));
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}
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}
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/// <summary>供界面直接显示的"最后上报时间"。</summary>
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public string LastReportAtText => LastReportAt is null
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? "从未"
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: LastReportAt.Value.LocalDateTime.ToString("yyyy-MM-dd HH:mm:ss");
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private int _lastScheduleEntryCount;
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/// <summary>最近一次上报里的课表条目数。</summary>
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public int LastScheduleEntryCount
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{
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get => _lastScheduleEntryCount;
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private set => SetField(ref _lastScheduleEntryCount, value);
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}
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private int _lastTimeLayoutItemCount;
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/// <summary>最近一次上报里的节次数量。</summary>
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public int LastTimeLayoutItemCount
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{
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get => _lastTimeLayoutItemCount;
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private set => SetField(ref _lastTimeLayoutItemCount, value);
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}
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private int? _lastServerWeek;
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/// <summary>服务端返回的教学周。</summary>
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public int? LastServerWeek
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{
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get => _lastServerWeek;
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private set
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{
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if (SetField(ref _lastServerWeek, value)) Raise(nameof(ClientTimeOffsetText));
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}
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}
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private int _notificationCount;
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/// <summary>已弹出并回执的提醒数量。</summary>
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public int NotificationCount
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{
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get => _notificationCount;
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private set => SetField(ref _notificationCount, value);
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}
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private bool _busy;
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/// <summary>是否正在上报（"立即上报"按钮据此禁用）。</summary>
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public bool Busy
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{
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get => _busy;
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private set => SetField(ref _busy, value);
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}
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private TimeSpan? _serverTimeOffset;
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/// <summary>服务端与本机的时钟差（诊断用：差得多说明教室机器时间不对）。</summary>
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public string ClientTimeOffsetText => _serverTimeOffset is null
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? "—"
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: $"{_serverTimeOffset.Value.TotalSeconds:+0;-0;0} 秒";
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/// <summary>当前配置是否完整（设置页据此提示"还没填令牌"）。</summary>
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public bool IsConfigured => _settings.IsConfigured;
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/// <summary>是否已接入课程服务（拿到 ILessonsService 才算真正跑起来）。</summary>
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public bool IsAttached
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{
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get { lock (_gate) return _lessons is not null; }
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}
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/* ---------------------------------------------------------------- 生命周期 */
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/// <summary>接入课程服务并订阅课程事件（由插件入口在 AppStarted 时调用）。</summary>
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public void Attach(ILessonsService lessons)
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{
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lock (_gate)
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{
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_lessons = lessons;
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}
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if (!_eventsHooked)
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{
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// 上课 / 下课 / 放学 / 状态变化时立刻上报一次，不等到下一个定时点。
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// 这些事件在 ClassIsland 的公开约定里是在**主线程**触发的，可以直接订阅。
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lessons.OnClass += (_, _) => RequestReport("上课");
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lessons.OnBreakingTime += (_, _) => RequestReport("下课");
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lessons.OnAfterSchool += (_, _) => RequestReport("放学");
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lessons.CurrentTimeStateChanged += (_, _) => RequestReport("状态变化");
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_eventsHooked = true;
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}
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Raise(nameof(IsAttached));
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_logger.LogInformation("班级小助手联动：已订阅课程事件");
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RequestReport("应用启动");
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}
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/// <summary>按设置重建定时器（设置页改间隔后调用）。</summary>
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public void RestartTimer()
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{
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lock (_gate)
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{
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_timer?.Dispose();
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_timer = null;
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_notifyTimer?.Dispose();
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_notifyTimer = null;
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if (!_settings.IsConfigured) return;
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if (_settings.AutoReport)
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{
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var interval = TimeSpan.FromSeconds(Math.Clamp(_settings.ReportIntervalSeconds, 15, 3600));
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_timer = new Timer(_ => RequestReport("定时"), null, interval, interval);
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}
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// 提醒单独用一个轻量轮询（只查待提醒，不上传课表）：
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// 老师按下发送到教室弹出之间的延迟就是这个间隔，因此默认 10 秒，不跟随上报间隔。
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if (_settings.ReceiveNotifications)
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{
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var poll = TimeSpan.FromSeconds(Math.Clamp(_settings.NotificationPollSeconds, 5, 600));
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_notifyTimer = new Timer(_ => _ = PullPendingAsync(), null, poll, poll);
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}
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}
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}
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/// <summary>发起一次上报（事件驱动：已有上报在跑时直接丢弃本次，避免事件风暴打出并发请求）。</summary>
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public void RequestReport(string reason)
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{
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_ = ReportAsync(reason);
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}
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/// <summary>
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/// 执行一次上报并返回是否真的发出去了。
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/// <paramref name="includeSchedule"/> 为 true 时带上全量课表与节次时间。
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/// </summary>
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public async Task<bool> ReportAsync(string reason, bool includeSchedule = true)
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{
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if (_disposed) return false;
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ILessonsService? lessons;
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lock (_gate) lessons = _lessons;
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if (lessons is null) return false;
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if (!_settings.IsConfigured)
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{
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SetState(false, "尚未配置服务器地址或设备令牌", 0, 0, null);
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return false;
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}
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lock (_gate)
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{
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if (_reporting) return false;
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_reporting = true;
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}
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Busy = true;
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try
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{
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var profile = ResolveProfile();
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var request = new ReportRequestDto
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{
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PluginVersion = PluginVersion,
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ClassIslandVersion = SafeAppVersion(),
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State = BuildState(lessons),
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};
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var entryCount = 0;
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var layoutCount = 0;
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if (includeSchedule && _settings.UploadSchedule && profile is not null)
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{
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var entries = ScheduleMapper.MapAllClassPlans(profile, out var warnings);
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foreach (var warning in warnings) _logger.LogWarning("班级小助手联动：{Warning}", warning);
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entryCount = entries.Count;
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request.Schedule = new SchedulePayloadDto { Mode = "merge", Entries = entries };
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// 补上 endTime 之外的字段由服务端按需处理；课表为空时不发，免得把服务端已有课表"合并"没了
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if (entries.Count == 0) request.Schedule = null;
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var layout = ResolvePrimaryTimeLayout(profile);
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if (layout is not null)
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{
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var items = ScheduleMapper.MapTimeLayout(layout);
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layoutCount = items.Count;
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request.TimeLayout = new TimeLayoutPayloadDto
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{
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Name = string.IsNullOrWhiteSpace(layout.Name) ? "ClassIsland 时间表" : layout.Name,
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Mode = "replace",
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Items = items,
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};
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}
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}
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var (result, data) = await _client.ReportAsync(_settings, request, CancellationToken.None)
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.ConfigureAwait(false);
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if (!result.Ok || data is null)
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{
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_logger.LogWarning("班级小助手联动上报失败（{Reason}）：{Message}", reason, result.Message);
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SetState(false, result.Message, entryCount, layoutCount, null);
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return false;
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}
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LastServerWeek = data.Week;
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UpdateClockOffset(data.ServerTime);
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if (data.ScheduleApplied)
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{
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_logger.LogInformation(
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"班级小助手联动：课表已同步（新增 {Created} / 更新 {Updated}）",
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data.ScheduleCreated, data.ScheduleUpdated);
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}
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var detail = entryCount > 0
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? $"课表 {entryCount} 节 / 节次 {layoutCount} 条"
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: "仅状态";
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SetState(true, $"上报成功（{reason}）：{detail}，服务端第 {data.Week} 周",
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entryCount, layoutCount, data.Week);
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// 顺路把"还没弹出过的"提醒带回来
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var pending = data.PendingNotification;
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if (pending is not null && _settings.ReceiveNotifications)
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{
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NotificationReceived?.Invoke(this, pending);
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}
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if (_settings.MirrorSchedule)
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{
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await MirrorScheduleAsync().ConfigureAwait(false);
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}
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return true;
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}
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finally
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{
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Busy = false;
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lock (_gate) _reporting = false;
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}
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}
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/// <summary>
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/// 拉取本班尚未弹出过的提醒并逐条交给提醒提供方（用于"应用刚起来还没到第一个上报点"的场景）。
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/// </summary>
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public async Task PullPendingAsync()
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{
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if (_disposed) return;
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if (!_settings.IsConfigured || !_settings.ReceiveNotifications) return;
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// 轮询与"上报顺路拉取"可能同时到达：同一时刻只放一个请求过去
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lock (_gate)
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{
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if (_pulling) return;
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_pulling = true;
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}
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try
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{
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var (result, items) = await _client.PendingAsync(_settings, CancellationToken.None).ConfigureAwait(false);
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if (!result.Ok)
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{
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_logger.LogInformation("班级小助手联动：拉取待提醒失败（{Message}）", result.Message);
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return;
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}
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foreach (var item in items)
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{
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_logger.LogInformation("班级小助手联动：取到待弹出提醒「{Title}」（id={Id}）", item.Title, item.Id);
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NotificationReceived?.Invoke(this, item);
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}
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}
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finally
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{
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lock (_gate) _pulling = false;
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}
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}
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/// <summary>把服务端的一条提醒标记为已弹出。</summary>
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public async Task AckAsync(string id)
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{
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var result = await _client.AckAsync(_settings, id, CancellationToken.None).ConfigureAwait(false);
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if (result.Ok)
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{
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NotificationCount += 1;
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_logger.LogInformation("班级小助手联动：已确认提醒 {Id}", id);
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}
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else
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{
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// 回执失败无妨：服务端会按 24 小时有效期补发，最坏是重复弹一次
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_logger.LogWarning("班级小助手联动：确认提醒失败 {Message}", result.Message);
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}
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}
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/// <summary>把班级小助手上排好的课表写回 ClassIsland（新建带前缀的档案课表，不动老师原有的课表）。</summary>
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public async Task MirrorScheduleAsync()
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{
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var profile = ResolveProfile();
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if (profile is null) return;
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var (result, plan) = await _client.PullClassPlanAsync(_settings, CancellationToken.None).ConfigureAwait(false);
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if (!result.Ok || plan is null)
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{
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// 服务端在"镜像开关没开"时会返回 data=null —— 这不是错误，只记信息
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_logger.LogInformation("班级小助手联动：跳过课表镜像（{Message}）", result.Message);
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return;
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}
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try
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{
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var applied = ClassPlanWriter.Apply(profile, plan);
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if (!applied.Applied)
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{
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_logger.LogInformation("班级小助手联动：课表镜像未生效（{Reason}）",
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applied.Warnings.FirstOrDefault() ?? "服务端课表为空");
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return;
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}
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// 改写的是 Profile 里的集合，ClassIsland 会靠 INotifyCollectionChanged 落盘；
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// 这里显式 SaveProfile() 是为了"打开开关马上就能在课表里看到"，不用等下一次自动保存。
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IAppHost.TryGetService<IProfileService>()?.SaveProfile();
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_logger.LogInformation("班级小助手联动：已把班级课表写入 ClassIsland（{Plans}）",
|
||||
string.Join("、", applied.PlanNames.Select(name => $"「{name}」")));
|
||||
foreach (var warning in applied.Warnings)
|
||||
{
|
||||
_logger.LogWarning("班级小助手联动镜像提示：{Warning}", warning);
|
||||
}
|
||||
}
|
||||
catch (Exception exception)
|
||||
{
|
||||
_logger.LogError(exception, "班级小助手联动：课表镜像失败");
|
||||
}
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------- 内部实现 */
|
||||
|
||||
/// <summary>插件版本（与 manifest.yml / csproj 保持一致）。</summary>
|
||||
private const string PluginVersion = "0.1.0.0";
|
||||
|
||||
/// <summary>ClassIsland 版本读不到时不该让上报失败（开发版可能为 null）。</summary>
|
||||
private static string SafeAppVersion()
|
||||
{
|
||||
try
|
||||
{
|
||||
return AppBase.AppVersion ?? "";
|
||||
}
|
||||
catch
|
||||
{
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 取得当前状态快照。
|
||||
/// <c>CurrentTimeLayoutItem</c> 在"没有课表"时是 <see cref="ClassIsland.Shared.Models.Profile.TimeLayoutItem.Empty"/>，
|
||||
/// 语义上等价于"没有节次"，因此要转成 null 而不是 00:00。
|
||||
/// </summary>
|
||||
private StateDto BuildState(ILessonsService lessons)
|
||||
{
|
||||
try
|
||||
{
|
||||
return ScheduleMapper.BuildState(lessons, LastServerWeek);
|
||||
}
|
||||
catch (Exception exception)
|
||||
{
|
||||
// 课程服务在"应用启动中/课表未加载"时可能抛异常，这里降级为只有心跳的上报
|
||||
_logger.LogWarning(exception, "班级小助手联动：读取课程状态失败，本次只上报心跳");
|
||||
return new StateDto { ClientTime = DateTimeOffset.Now.ToString("o") };
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 优先用"当前正在生效"的课表对应的时间表；取不到再退回档案里的第一个。
|
||||
/// 有多个时间表时选错会把节次时间报错，所以先按当前课表找。
|
||||
/// </summary>
|
||||
private static ClassIsland.Shared.Models.Profile.TimeLayout? ResolvePrimaryTimeLayout(
|
||||
ClassIsland.Shared.Models.Profile.Profile profile)
|
||||
{
|
||||
if (profile.TimeLayouts.Count == 0) return null;
|
||||
|
||||
var current = profile.SelectedClassPlanGroupId != Guid.Empty
|
||||
? CurrentClassPlan(profile)
|
||||
: null;
|
||||
if (current is not null)
|
||||
{
|
||||
var layout = ScheduleMapper.ResolveTimeLayout(current, profile);
|
||||
if (layout is not null) return layout;
|
||||
}
|
||||
|
||||
// 退而求其次：档案里被激活的时间表，最后才是任意一个
|
||||
return profile.TimeLayouts.Values.FirstOrDefault(item => item.IsActivated)
|
||||
?? profile.TimeLayouts.Values.First();
|
||||
}
|
||||
|
||||
private static ClassIsland.Shared.Models.Profile.ClassPlan? CurrentClassPlan(
|
||||
ClassIsland.Shared.Models.Profile.Profile profile)
|
||||
{
|
||||
// 用课程服务拿"今天该上哪张课表"最准
|
||||
try
|
||||
{
|
||||
var lessons = IAppHost.TryGetService<ILessonsService>();
|
||||
return lessons?.CurrentClassPlan;
|
||||
}
|
||||
catch
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
private ClassIsland.Shared.Models.Profile.Profile? ResolveProfile()
|
||||
{
|
||||
try
|
||||
{
|
||||
// 档案由 ProfileService 持有；这里用 TryGetService 避免服务未注册时抛异常
|
||||
return IAppHost.TryGetService<IProfileService>()?.Profile;
|
||||
}
|
||||
catch (Exception exception)
|
||||
{
|
||||
_logger.LogWarning(exception, "班级小助手联动：读取档案失败");
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>用服务端时间校准本机时钟差（只影响设置页展示，不改系统时间）。</summary>
|
||||
private void UpdateClockOffset(string serverTime)
|
||||
{
|
||||
if (!DateTimeOffset.TryParse(serverTime, out var parsed)) return;
|
||||
_serverTimeOffset = parsed - DateTimeOffset.Now;
|
||||
Raise(nameof(ClientTimeOffsetText));
|
||||
}
|
||||
|
||||
private void SetState(bool ok, string message, int entryCount, int layoutCount, int? week)
|
||||
{
|
||||
LastReportOk = ok;
|
||||
LastReportMessage = message;
|
||||
LastReportAt = DateTimeOffset.Now;
|
||||
LastScheduleEntryCount = entryCount;
|
||||
LastTimeLayoutItemCount = layoutCount;
|
||||
if (week.HasValue) LastServerWeek = week;
|
||||
StateChanged?.Invoke(this, EventArgs.Empty);
|
||||
}
|
||||
|
||||
private void Raise(string propertyName) =>
|
||||
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
|
||||
|
||||
private bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
|
||||
{
|
||||
if (EqualityComparer<T>.Default.Equals(field, value)) return false;
|
||||
field = value;
|
||||
Raise(propertyName!);
|
||||
return true;
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
_disposed = true;
|
||||
lock (_gate)
|
||||
{
|
||||
_timer?.Dispose();
|
||||
_timer = null;
|
||||
_notifyTimer?.Dispose();
|
||||
_notifyTimer = null;
|
||||
}
|
||||
_client.Dispose();
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user