squash a bunch of commits

Shogi.Sockets/Repositories/UserRepository.cs

@@ -0,0 +1,47 @@
+using Dapper;
+using Shogi.Api.Models;
+using System.Data;
+using System.Data.SqlClient;
+
+namespace Shogi.Api.Repositories;
+
+public class UserRepository : IUserRepository
+{
+  private readonly string connectionString;
+
+  public UserRepository(IConfiguration configuration)
+  {
+    connectionString = configuration.GetConnectionString("ShogiDatabase");
+  }
+
+  public async Task CreateUser(User user)
+  {
+    using var connection = new SqlConnection(connectionString);
+    await connection.ExecuteAsync(
+      "user.CreateUser",
+      new
+      {
+        Name = user.Id,
+        DisplayName = user.DisplayName,
+        Platform = user.LoginPlatform.ToString()
+      },
+      commandType: CommandType.StoredProcedure);
+  }
+
+  public async Task<User?> ReadUser(string id)
+  {
+    using var connection = new SqlConnection(connectionString);
+    var results = await connection.QueryAsync<User>(
+      "user.ReadUser",
+      new { Name = id },
+      commandType: CommandType.StoredProcedure);
+
+    return results.FirstOrDefault();
+  }
+}
+
+public interface IUserRepository
+{
+  Task CreateUser(User user);
+  Task<User?> ReadUser(string id);
+}