FaceFile for D2

Shared/Models/Stateless/Methods/IProperty.cs

@@ -18,6 +18,11 @@ public interface IProperty
     static (int Season, string seasonName) GetSeason(int dayOfYear) =>
         Property.GetSeason(dayOfYear);
 
+    (int Season, string seasonName) TestStatic_GetSeasonAB(int dayOfYear) =>
+        GetSeasonAB(dayOfYear);
+    static (int Season, string seasonName) GetSeasonAB(int dayOfYear) =>
+        Property.GetSeasonAB(dayOfYear);
+
     string TestStatic_GetDiffRootDirectory(string diffPropertyDirectory) =>
         GetDiffRootDirectory(diffPropertyDirectory);
     static string GetDiffRootDirectory(string diffPropertyDirectory) =>

Shared/Models/Stateless/Methods/Property.cs

@@ -16,6 +16,22 @@ internal abstract class Property
         return result;
     }
 
+    internal static (int Season, string seasonName) GetSeasonAB(int dayOfYear)
+    {
+        (int Season, string seasonName) result = dayOfYear switch
+        {
+            < 78 => new(0, "WinterA"),
+            < 124 => new(1, "SpringA"),
+            < 171 => new(1, "SpringB"),
+            < 217 => new(2, "SummerA"),
+            < 264 => new(2, "SummerB"),
+            < 309 => new(3, "FallA"),
+            < 354 => new(3, "FallB"),
+            _ => new(4, "WinterB")
+        };
+        return result;
+    }
+
     internal static (bool?, string[]) IsWrongYear(string[] segments, string year)
     {
         bool? result;