before deleting Rules

Gameboard.ShogiUI.Sockets/Repositories/CouchModels/Move.cs

@@ -0,0 +1,45 @@
+using Gameboard.ShogiUI.Sockets.Models;
+using Gameboard.ShogiUI.Sockets.ServiceModels.Socket.Types;
+
+namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
+{
+  public class Move
+  {
+    /// <summary>
+    /// A board coordinate, like A3 or G6. When null, look for PieceFromHand to exist.
+    /// </summary>
+    public string? From { get; set; }
+
+    public bool IsPromotion { get; set; }
+
+    /// <summary>
+    /// The piece placed from the player's hand.
+    /// </summary>
+    public WhichPiece? PieceFromHand { get; set; }
+
+    /// <summary>
+    /// A board coordinate, like A3 or G6.
+    /// </summary>
+    public string To { get; set; }
+
+    /// <summary>
+    /// Default constructor and setters are for deserialization.
+    /// </summary>
+    public Move()
+    {
+      To = string.Empty;
+    }
+
+    public Move(Models.Move move)
+    {
+      From = move.From?.ToBoardNotation();
+      IsPromotion = move.IsPromotion;
+      To = move.To.ToBoardNotation();
+      PieceFromHand = move.PieceFromHand;
+    }
+
+    public Models.Move ToDomainModel() => PieceFromHand.HasValue
+      ? new((ServiceModels.Socket.Types.WhichPiece)PieceFromHand, Coords.FromBoardNotation(To))
+      : new(Coords.FromBoardNotation(From!), Coords.FromBoardNotation(To), IsPromotion);
+  }
+}