153 lines
8.5 KiB
C#
153 lines
8.5 KiB
C#
using Evergreen.Health.Application.Health.Devices;
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using Evergreen.Health.Application.Health.Integrations.HomeAssistant;
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using Evergreen.Health.Application.Health.Integrations.MiAirX;
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using Evergreen.Health.Application.Health.Models;
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namespace Evergreen.Health.Application.Health.Scenes;
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/// <summary>同一房间串行执行，后来的开启/关闭取消旧启动，避免延迟指令重新打开家具。</summary>
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public sealed class HealthSceneCoordinator
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{
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private readonly DeviceModuleRegistry _modules;
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private readonly DeviceActionRunner _runner;
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private readonly IHomeAssistantGateway _gateway;
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private readonly ILightTransitionRuntime _light;
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private readonly ITcmMusicRuntime _music;
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private readonly SemaphoreSlim _gate = new(1, 1);
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private readonly object _stateLock = new();
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private CancellationTokenSource? _active;
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public HealthSceneCoordinator(DeviceModuleRegistry modules, DeviceActionRunner runner,
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IHomeAssistantGateway gateway, ILightTransitionRuntime light, ITcmMusicRuntime music)
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=> (_modules, _runner, _gateway, _light, _music) = (modules, runner, gateway, light, music);
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public Task<HomeAssistantSceneOutput> ExecuteAsync(string sceneCode, PersonalizedSceneConfig? config,
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string constitutionCode, CancellationToken cancellationToken)
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=> ExecuteCoreAsync(sceneCode, config, constitutionCode, cancellationToken, null);
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// 先登记本次操作，再读取档案/室温。否则较慢的旧准备请求可能在全关之后才开始开家具。
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public Task<HomeAssistantSceneOutput> ExecutePreparedSleepAsync(
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Func<CancellationToken, Task<PreparedSleepScene>> prepare, CancellationToken cancellationToken)
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=> ExecuteCoreAsync("sleep", null, "", cancellationToken, prepare);
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private async Task<HomeAssistantSceneOutput> ExecuteCoreAsync(string sceneCode, PersonalizedSceneConfig? config,
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string constitutionCode, CancellationToken cancellationToken,
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Func<CancellationToken, Task<PreparedSleepScene>>? prepare)
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{
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if (sceneCode is not ("sleep" or "all-off")) throw new InvalidOperationException("不支持的场景");
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if (sceneCode == "sleep" && config is null && prepare is null) throw new InvalidOperationException("舒睡场景缺少体质参数");
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CancellationTokenSource operation;
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lock (_stateLock)
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{
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_active?.Cancel();
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operation = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
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_active = operation;
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}
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var results = new List<HomeAssistantActionResult>();
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var entered = false;
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var cancelled = false;
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string? preparationFailureStatus = null;
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try
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{
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await _gate.WaitAsync(operation.Token); entered = true;
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if (prepare is not null)
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{
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var prepared = await prepare(operation.Token);
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operation.Token.ThrowIfCancellationRequested();
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config = prepared.Config; constitutionCode = prepared.ConstitutionCode;
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}
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var context = new DeviceSceneContext(_runner, new Dictionary<string, HomeAssistantState>(), results);
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await context.ExternalAsync("停止旧灯光渐变任务", "",
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async token => { await _light.CancelAsync(token); }, operation.Token);
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await context.ExternalAsync("停止旧助眠音乐", _modules.Modules.FirstOrDefault(module => module.Key == "audio")?.PrimaryEntityId ?? "",
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_music.StopMusicAsync, operation.Token);
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IReadOnlyDictionary<string, HomeAssistantState> states;
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try
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{
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states = (await _gateway.GetStatesAsync(operation.Token)).GroupBy(state => state.EntityId, StringComparer.OrdinalIgnoreCase)
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.ToDictionary(group => group.Key, group => group.Last(), StringComparer.OrdinalIgnoreCase);
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}
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catch (Exception exception) when (exception is not OperationCanceledException)
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{
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// HA 不可达不能阻止 MiAirX 停止或尝试发送其他关闭指令。
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results.Add(new() { Name = "读取设备状态", Status = "Failed", Message = exception.Message });
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states = new Dictionary<string, HomeAssistantState>();
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}
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context = new DeviceSceneContext(_runner, states, results);
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if (sceneCode == "sleep")
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{
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foreach (var module in _modules.Modules)
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{
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operation.Token.ThrowIfCancellationRequested();
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try { await module.ExecuteSleepAsync(context, config!, constitutionCode, operation.Token); }
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catch (Exception exception) when (exception is not OperationCanceledException)
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{
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results.Add(new() { Name = $"{module.DisplayName}舒睡设置", Status = "Failed", Message = exception.Message });
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}
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}
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}
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else
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{
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var shutdown = _modules.Modules.SelectMany(module => module.GetShutdownCommands()).ToArray();
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foreach (var command in shutdown)
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await _runner.RunAsync(states, results, command, operation.Token, requireAvailable: false);
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await _runner.VerifyBatchAsync(shutdown, results, operation.Token);
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}
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}
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catch (OperationCanceledException) when (operation.IsCancellationRequested)
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{
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cancelled = true;
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if (entered)
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{
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var context = new DeviceSceneContext(_runner, new Dictionary<string, HomeAssistantState>(), results);
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await context.ExternalAsync("取消灯光渐变", "", async token => { await _light.CancelAsync(token); }, CancellationToken.None);
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await context.ExternalAsync("取消音乐渐弱", "", _music.StopMusicAsync, CancellationToken.None);
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}
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}
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catch (Exception exception) when (exception is not OperationCanceledException)
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{
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preparationFailureStatus = exception is ScenePreparationException ? "AssessmentRequired" : "Failed";
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results.Add(new() { Name = "准备或协调场景", Status = "Failed", Message = exception.Message });
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}
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finally
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{
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if (entered) _gate.Release();
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lock (_stateLock)
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{
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if (ReferenceEquals(_active, operation)) _active = null;
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operation.Dispose();
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}
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}
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// 取消内部计时任务不能冒充家具执行成功。
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var successCount = results.Count(result => result.Status == "Succeeded" && !string.IsNullOrWhiteSpace(result.EntityId));
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var failed = results.Where(result => result.Status == "Failed").ToArray();
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var skippedCount = results.Count(result => result.Status == "Skipped");
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var status = preparationFailureStatus ?? (cancelled ? "Cancelled" : failed.Length == 0 && successCount > 0
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? "Succeeded" : successCount > 0 ? "Partial" : "Failed");
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var message = status switch
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{
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"Cancelled" => "当前场景已被更新的操作取消",
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"AssessmentRequired" => failed.First().Message,
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"Succeeded" => $"场景已执行：{successCount} 项成功，{skippedCount} 项未配置或离线而跳过",
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"Partial" => $"场景部分完成：{failed.Length} 项失败，{skippedCount} 项跳过；未完成：{string.Join("、", failed.Select(result => result.Name).Distinct().Take(3))}",
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_ => failed.Length == 0 ? "没有已执行的家具控制；设备未配置或当前不可用"
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: $"场景未完成：{string.Join("；", failed.Select(result => result.Message).Take(3))}"
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};
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return new()
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{
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SceneCode = sceneCode, SceneName = sceneCode == "sleep" ? "舒睡模式" : "一键关闭",
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Success = status is "Succeeded" or "Partial", Status = status, Message = message,
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ClimateAdvice = sceneCode == "sleep" ? config?.ClimateAdvice : null,
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Actions = results.Select(result => new HomeAssistantSceneActionOutput
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{ Name = result.Name, EntityId = result.EntityId, Status = result.Status, Message = result.Message }).ToList()
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};
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}
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}
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public sealed record PreparedSleepScene(PersonalizedSceneConfig Config, string ConstitutionCode);
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public sealed class ScenePreparationException : InvalidOperationException
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{
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public ScenePreparationException(string message) : base(message) { }
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}
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