Структура, доп модули, федерация, документация

backend/src/Modules/Auth/Domain/User.cs

@@ -2,6 +2,8 @@ using Knot.Shared.Kernel;
 
 namespace Knot.Modules.Auth.Domain;
 
+public sealed record UserStatusChangedDomainEvent(Guid UserId, bool IsOnline, DateTime LastSeen) : IDomainEvent;
+
 /// <summary>
 /// Сущность пользователя в контексте идентификации (Identity).
 /// </summary>
@@ -16,6 +18,11 @@ public sealed class User : AggregateRoot<Guid>
     public DateTime? Birthday { get; private set; }
     public DateTime CreatedAt { get; private set; }
     public bool HideStoryViews { get; private set; }
+    public bool IsExternal { get; private set; }
+    public string? Domain { get; private set; }
+    public bool IsOnline { get; private set; }
+    public DateTime? LastSeen { get; private set; }
+    public bool HideStatus { get; private set; }
 
     private User(Guid id, string username, string passwordHash, string displayName, string? email, string? bio = null)
         : base(id)
@@ -36,6 +43,18 @@ public sealed class User : AggregateRoot<Guid>
         return new User(Guid.NewGuid(), username, passwordHash, displayName, email, bio);
     }
 
+    /// <summary>
+    /// Создает "теневого" пользователя для контакта с другого сервера.
+    /// </summary>
+    public static User CreateExternal(Guid id, string username, string displayName, string domain, string? avatar = null)
+    {
+        var user = new User(id, username, "EXTERNAL_USER", displayName, null, null);
+        user.IsExternal = true;
+        user.Domain = domain;
+        user.Avatar = avatar;
+        return user;
+    }
+
     public void UpdateProfile(string displayName, string? bio, DateTime? birthday)
     {
         DisplayName = displayName;
@@ -57,5 +76,21 @@ public sealed class User : AggregateRoot<Guid>
     {
         PasswordHash = newPasswordHash;
     }
+
+    public void UpdateStatus(bool isOnline)
+    {
+        IsOnline = isOnline;
+        LastSeen = DateTime.UtcNow;
+        
+        if (!HideStatus)
+        {
+            RaiseDomainEvent(new UserStatusChangedDomainEvent(Id, IsOnline, LastSeen.Value));
+        }
+    }
+
+    public void SetHideStatus(bool hide)
+    {
+        HideStatus = hide;
+    }
 }