74 lines
3.7 KiB
C#
74 lines
3.7 KiB
C#
using Evergreen.Health.Application.Health.Devices.Environment;
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using Evergreen.Health.Application.Health.Entities;
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using Evergreen.Health.Application.Health.Integrations.HomeAssistant;
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using Evergreen.Health.Application.Health.Models;
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using Evergreen.Health.Application.Health.Policies;
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using Microsoft.Extensions.Options;
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namespace Evergreen.Health.Application.Health.Services;
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/// <summary>组合独立的 BMI 和室温策略，不负责发送家具控制命令。</summary>
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public sealed class MattressComfortService : ITransient
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{
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private readonly IHomeAssistantGateway _gateway;
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private readonly IndoorEnvironmentReader _environment;
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private readonly HomeAssistantEntityOptions _entities;
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public MattressComfortService(IHomeAssistantGateway gateway, IndoorEnvironmentReader environment,
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IOptions<HomeAssistantOptions> options)
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=> (_gateway, _environment, _entities) = (gateway, environment, options.Value.Entities);
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public async Task<MattressComfortOutput> GetAsync(HealthProfile? profile, CancellationToken cancellationToken = default)
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{
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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(cancellationToken)).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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states = new Dictionary<string, HomeAssistantState>();
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}
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return Get(profile, states);
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}
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public MattressComfortOutput Get(HealthProfile? profile, IReadOnlyDictionary<string, HomeAssistantState> states)
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{
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var bmi = BmiFirmnessPolicy.Calculate(profile?.HeightCm, profile?.WeightKg);
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var firmness = BmiFirmnessPolicy.Firmness(bmi);
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var tcm = TcmConstitutionRules.Read(profile);
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var sample = _environment.Read(states);
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var advice = RoomTemperaturePolicy.Evaluate(sample, RecommendedRoomRange.ForConstitution(tcm.ConstitutionCode));
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advice.PendingIntegration = (advice.Mode is "heat" or "cool") && string.IsNullOrWhiteSpace(_entities.Climate);
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return new()
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{
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Bmi = bmi, Firmness = firmness, HeatingLevel = advice.Mode == "heat" ? 1 : 0,
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IndoorTemperatureCelsius = sample.Celsius, IndoorTemperatureAvailable = sample.Available,
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IndoorTemperatureObservedAt = sample.ObservedAt, HeatingReason = advice.Reason,
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WeatherReason = advice.Reason, // 旧客户端兼容字段，不再读取或依赖室外天气。
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ClimateAdvice = advice,
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FirmnessReason = firmness is null
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? "健康档案尚无有效身高和体重，暂不自动调节软硬度"
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: $"按 BMI {bmi:0.0} 给出“{firmness}”演示起点，可在设备详情手动调整"
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};
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}
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public static void ApplyTo(PersonalizedSceneConfig config, MattressComfortOutput recommendation)
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{
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config.MattressHeatingLevel = recommendation.HeatingLevel;
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config.MattressLeftFirmness = recommendation.Firmness is null ? 0 : FirmnessLevel(recommendation.Firmness);
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config.MattressRightFirmness = config.MattressLeftFirmness;
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config.ClimateAdvice = recommendation.ClimateAdvice;
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}
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public static int FirmnessLevel(string firmness) => firmness switch
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{
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"最软" => 1, "很软" => 2, "稍软" => 3, "稍硬" => 4, "很硬" => 5, "最硬" => 6, _ => 0
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};
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public static string? FirmnessName(int level) => level switch
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{
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1 => "最软", 2 => "很软", 3 => "稍软", 4 => "稍硬", 5 => "很硬", 6 => "最硬", _ => null
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};
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}
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