squash a bunch of commits

Shogi.Sockets/Repositories/SessionRepository.cs

@@ -0,0 +1,37 @@
+using Dapper;
+using Shogi.Domain;
+using System.Data;
+using System.Data.SqlClient;
+using System.Text.Json;
+
+namespace Shogi.Api.Repositories;
+
+public class SessionRepository : ISessionRepository
+{
+  private readonly string connectionString;
+
+  public SessionRepository(IConfiguration configuration)
+  {
+    connectionString = configuration.GetConnectionString("ShogiDatabase");
+  }
+
+  public async Task CreateSession(Session session)
+  {
+    var initialBoardState = JsonSerializer.Serialize(session.BoardState);
+    using var connection = new SqlConnection(connectionString);
+    await connection.ExecuteAsync(
+      "session.CreateSession",
+      new
+      {
+        SessionName = session.Name,
+        Player1Name = session.Player1,
+        InitialBoardStateDocument = initialBoardState
+      },
+      commandType: CommandType.StoredProcedure);
+  }
+}
+
+public interface ISessionRepository
+{
+  Task CreateSession(Session session);
+}