squash a bunch of commits

Shogi.Sockets/Models/User.cs

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+using System.Collections.ObjectModel;
+
+namespace Shogi.Api.Models;
+
+public class User
+{
+  public static readonly ReadOnlyCollection<string> Adjectives = new(new[] {
+    "Fortuitous", "Retractable", "Happy", "Habbitable", "Creative", "Fluffy", "Impervious", "Kingly"
+  });
+  public static readonly ReadOnlyCollection<string> Subjects = new(new[] {
+    "Hippo", "Basil", "Mouse", "Walnut", "Prince", "Lima Bean", "Coala", "Potato", "Penguin"
+  });
+  public static User CreateMsalUser(string id) => new(id, id, WhichLoginPlatform.Microsoft);
+  public static User CreateGuestUser(string id)
+  {
+    var random = new Random();
+    // Adjective
+    var index = (int)Math.Floor(random.NextDouble() * Adjectives.Count);
+    var adj = Adjectives[index];
+    // Subject
+    index = (int)Math.Floor(random.NextDouble() * Subjects.Count);
+    var subj = Subjects[index];
+
+    return new User(id, $"{adj} {subj}", WhichLoginPlatform.Guest);
+  }
+
+  public string Id { get; }
+  public string DisplayName { get; }
+
+  public WhichLoginPlatform LoginPlatform { get; }
+
+  public bool IsGuest => LoginPlatform == WhichLoginPlatform.Guest;
+
+  public bool IsAdmin => LoginPlatform == WhichLoginPlatform.Microsoft && Id == "Hauth@live.com";
+
+  public User(string id, string displayName, WhichLoginPlatform platform)
+  {
+    Id = id;
+    DisplayName = displayName;
+    LoginPlatform = platform;
+  }
+}