yep

Shogi.Sockets/Repositories/SessionRepository.cs

@@ -1,6 +1,8 @@
 using Dapper;
 using Shogi.Api.Repositories.Dto;
 using Shogi.Domain;
+using Shogi.Domain.Aggregates;
+using Shogi.Domain.ValueObjects;
 using System.Data;
 using System.Data.SqlClient;
 using System.Text.Json;
@@ -16,22 +18,53 @@ public class SessionRepository : ISessionRepository
 		connectionString = configuration.GetConnectionString("ShogiDatabase");
 	}
 
-	public async Task CreateSession(ShogiBoard session, string player1)
+	public async Task CreateSession(Session session)
 	{
-		var initialBoardState = JsonSerializer.Serialize(session.BoardState);
+		var boardStateDto = new BoardStateDto
+		{
+			InCheck = session.BoardState.InCheck,
+			IsCheckmate = session.BoardState.IsCheckmate,
+			Player1Hand = session.BoardState.Player1Hand,
+			Player2Hand = session.BoardState.Player2Hand,
+			State = session.BoardState.State,
+			WhoseTurn = session.BoardState.WhoseTurn,
+		};
+
 		using var connection = new SqlConnection(connectionString);
 		await connection.ExecuteAsync(
 			"session.CreateSession",
 			new
 			{
-				InitialBoardStateDocument = initialBoardState,
+				Name = sessionName,
+				InitialBoardStateDocument = JsonSerializer.Serialize(boardStateDto),
 				Player1Name = player1,
 			},
 			commandType: CommandType.StoredProcedure);
 	}
+
+	public async Task<ShogiBoard?> ReadShogiBoard(string name)
+	{
+		using var connection = new SqlConnection(connectionString);
+		var results = await connection.QueryAsync<SessionDto>(
+			"session.ReadSession",
+			commandType: CommandType.StoredProcedure);
+		var dto = results.SingleOrDefault();
+		if (dto == null) return null;
+
+		var boardState = new BoardState(
+			state: new(dto.BoardState.State),
+			player1Hand: dto.BoardState.Player1Hand,
+			player2Hand: dto.BoardState.Player2Hand,
+			whoseTurn: dto.BoardState.WhoseTurn,
+			playerInCheck: dto.BoardState.InCheck,
+			previousMove: dto.BoardState.PreviousMove);
+		var session = new ShogiBoard(boardState);
+		return session;
+	}
 }
 
 public interface ISessionRepository
 {
-	Task CreateSession(ShogiBoard session, string player1);
+	Task CreateSession(Session session);
+	Task<ShogiBoard?> ReadShogiBoard(string name);
 }