reintroduce microsoft login. upgrade a bunch of stuff.

Shogi.Api/Repositories/UserRepository.cs

@@ -7,41 +7,46 @@ namespace Shogi.Api.Repositories;
 
 public class UserRepository : IUserRepository
 {
-  private readonly string connectionString;
+    private readonly string connectionString;
 
-  public UserRepository(IConfiguration configuration)
-  {
-    connectionString = configuration.GetConnectionString("ShogiDatabase");
-  }
+    public UserRepository(IConfiguration configuration)
+    {
+        var connectionString = configuration.GetConnectionString("ShogiDatabase");
+        if (string.IsNullOrEmpty(connectionString))
+        {
+            throw new InvalidOperationException("Connection string for database is empty.");
+        }
+        this.connectionString = connectionString;
+    }
 
-  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 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);
+    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();
-  }
+        return results.FirstOrDefault();
+    }
 }
 
 public interface IUserRepository
 {
-  Task CreateUser(User user);
-  Task<User?> ReadUser(string id);
+    Task CreateUser(User user);
+    Task<User?> ReadUser(string id);
 }