51 lines
2.2 KiB
C#
51 lines
2.2 KiB
C#
using Evergreen.Health.Application.Health.Models;
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namespace Evergreen.Health.Application.Health.Policies;
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public sealed record RecommendedRoomRange(int Minimum, int Maximum)
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{
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public static RecommendedRoomRange Default { get; } = new(22, 25);
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public string Display => $"{Minimum}–{Maximum}℃";
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public static RecommendedRoomRange ForConstitution(string code) => code switch
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{
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"yang_deficient" => new(24, 26), "yin_deficient" or "damp_heat" => new(21, 24),
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"phlegm_damp" => new(22, 24), "blood_stasis" => new(23, 25), _ => Default
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};
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}
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public enum IndoorTemperatureIssue { Unavailable, Stale, Invalid }
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public sealed record IndoorTemperatureSample(double? Celsius, DateTimeOffset? ObservedAt, bool Available, string Reason)
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{
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public IndoorTemperatureIssue? Issue { get; init; }
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}
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public static class RoomTemperaturePolicy
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{
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public static ClimateAdviceOutput Evaluate(IndoorTemperatureSample sample, RecommendedRoomRange range)
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{
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var mode = !sample.Available || sample.Celsius is null ? "unavailable"
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: sample.Celsius < range.Minimum ? "heat" : sample.Celsius > range.Maximum ? "cool" : "off";
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return new()
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{
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Mode = mode, RecommendedMinimumCelsius = range.Minimum, RecommendedMaximumCelsius = range.Maximum,
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Reason = mode switch
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{
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"heat" => $"室温低于建议 {range.Display}：建议空调制热",
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"cool" => $"室温高于建议 {range.Display}：建议空调制冷",
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"off" => $"室温在建议 {range.Display} 内：空调保持当前运行状态",
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_ => $"{sample.Reason}，不自动开启空调"
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},
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PendingIntegration = mode is "heat" or "cool"
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};
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}
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// 仅在启动新舒睡场景时调用，状态查询和预览不随机更改目标值。
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public static void PickTargetForSession(ClimateAdviceOutput advice)
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{
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if (advice.TargetTemperatureCelsius is null && (advice.Mode is "heat" or "cool"))
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advice.TargetTemperatureCelsius = Random.Shared.Next(advice.RecommendedMinimumCelsius,
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advice.RecommendedMaximumCelsius + 1);
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}
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}
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