Before changing Piece[,] to Dictionary<string,Piece>

Gameboard.ShogiUI.Sockets/Services/RequestValidators/MoveRequestValidator.cs

@@ -0,0 +1,23 @@
+using FluentValidation;
+using Gameboard.ShogiUI.Sockets.ServiceModels.Socket.Messages;
+using Gameboard.ShogiUI.Sockets.ServiceModels.Socket.Types;
+
+namespace Gameboard.ShogiUI.Sockets.Services.RequestValidators
+{
+  public class MoveRequestValidator : AbstractValidator<MoveRequest>
+  {
+    public MoveRequestValidator()
+    {
+      RuleFor(_ => _.Action).Equal(ClientAction.Move);
+      RuleFor(_ => _.GameName).NotEmpty();
+      RuleFor(_ => _.Move.From)
+        .Null()
+        .When(_ => _.Move.PieceFromCaptured.HasValue)
+        .WithMessage("Move.From and Move.PieceFromCaptured are mutually exclusive properties.");
+      RuleFor(_ => _.Move.From)
+        .NotEmpty()
+        .When(_ => !_.Move.PieceFromCaptured.HasValue)
+        .WithMessage("Move.From and Move.PieceFromCaptured are mutually exclusive properties.");
+    }
+  }
+}