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2026-10-09 16:46:30 +08:00
parent 4a634ef4c2
commit e6b90a06ab
63 changed files with 4170 additions and 1518 deletions
@@ -0,0 +1,22 @@
+namespace Evergreen.Health.Application.Health.Policies;
+
+/// <summary>Demo 起点，可由用户手动修改，不是医学或人体工学判断。</summary>
+public static class BmiFirmnessPolicy
+{
+    public static decimal? Calculate(decimal? heightCm, decimal? weightKg)
+    {
+        if (heightCm is null or <= 0 || weightKg is null or <= 0) return null;
+        try
+        {
+            var height = heightCm.Value / 100m;
+            return Math.Round(weightKg.Value / (height * height), 1);
+        }
+        catch (ArithmeticException) { return null; }
+    }
+
+    public static string? Firmness(decimal? bmi) => bmi switch
+    {
+        < 18.5m => "很软", < 24m => "稍软", < 28m => "稍硬",
+        < 32m => "很硬", >= 32m => "最硬", _ => null
+    };
+}
@@ -0,0 +1,44 @@
+using Evergreen.Health.Application.Health.Models;
+
+namespace Evergreen.Health.Application.Health.Policies;
+
+public sealed record RecommendedRoomRange(int Minimum, int Maximum)
+{
+    public string Display => $"{Minimum}–{Maximum}℃";
+    public static RecommendedRoomRange ForConstitution(string code) => code switch
+    {
+        "yang_deficient" => new(24, 26), "yin_deficient" or "damp_heat" => new(21, 24),
+        "phlegm_damp" => new(22, 24), "blood_stasis" => new(23, 25), _ => new(22, 25)
+    };
+}
+
+public sealed record IndoorTemperatureSample(double? Celsius, DateTimeOffset? ObservedAt, bool Available, string Reason);
+
+public static class RoomTemperaturePolicy
+{
+    public static ClimateAdviceOutput Evaluate(IndoorTemperatureSample sample, RecommendedRoomRange range)
+    {
+        var mode = !sample.Available || sample.Celsius is null ? "unavailable"
+            : sample.Celsius < range.Minimum ? "heat" : sample.Celsius > range.Maximum ? "cool" : "off";
+        return new()
+        {
+            Mode = mode, RecommendedMinimumCelsius = range.Minimum, RecommendedMaximumCelsius = range.Maximum,
+            Reason = mode switch
+            {
+                "heat" => $"室温低于建议 {range.Display}：床垫低档加热，建议空调制热",
+                "cool" => $"室温高于建议 {range.Display}：床垫不加热，建议空调制冷",
+                "off" => $"室温在建议 {range.Display} 内：床垫不加热，空调不开启",
+                _ => $"{sample.Reason}，不自动加热或开启空调"
+            },
+            PendingIntegration = mode is "heat" or "cool"
+        };
+    }
+
+    // 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。
+    public static void PickTargetForSession(ClimateAdviceOutput advice)
+    {
+        if (advice.TargetTemperatureCelsius is null && (advice.Mode is "heat" or "cool"))
+            advice.TargetTemperatureCelsius = Random.Shared.Next(advice.RecommendedMinimumCelsius,
+                advice.RecommendedMaximumCelsius + 1);
+    }
+}