Перепиливание под чистый DDD

2026-03-22 23:59:33 +03:00
parent 5da1a2f45d
commit 6e532b021d
302 changed files with 3595 additions and 3679 deletions
@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using Knot.Shared.Kernel;
+
+namespace Knot.Modules.Messaging.Domain;
+
+/// <summary>
+/// Абстрактная база агрегата Сообщение.
+/// </summary>
+public abstract class Message : AggregateRoot<Guid>
+{
+    // ================== Базовые поля ==================
+    public Guid ChatId { get; protected set; }
+    public Guid SenderId { get; protected set; }
+    public DateTime CreatedAt { get; protected set; }
+    public long SequenceId { get; protected set; }
+    
+    public void SetSequenceId(long sequenceId)
+    {
+        SequenceId = sequenceId;
+    }
+    // ================== Опциональные метаданные (общего назначения) ==================
+    public Guid? ReplyToId { get; protected set; }
+    public Guid? ForwardedFromId { get; protected set; }
+    
+    // ================== Флаги ==================
+    public MessageState State { get; protected set; }
+    
+    // ================== Абстрактные / Виртуальные свойства ==================
+    public abstract string Type { get; }
+    public abstract string? Content { get; protected set; }
+
+    public virtual string? Quote { get; protected set; } = null;
+    public virtual Guid? StoryId => null;
+    public virtual string? StoryMediaUrl => null;
+    public virtual string? StoryMediaType => null;
+    public virtual IReadOnlyCollection<Media> Media => Array.Empty<Media>();
+
+    public bool IsEdited => HasState(MessageState.IsEdited);
+    public bool IsDeleted => HasState(MessageState.IsDeleted);
+    public bool IsDeletedForUser(Guid userId) => _deletedFor.Exists(d => d.UserId == userId);
+
+    // ================== Связанные коллекции (общего назначения) ==================
+    protected List<DeletedMessage> _deletedFor = new();
+    public IReadOnlyCollection<DeletedMessage> DeletedFor => _deletedFor.AsReadOnly();
+
+    // ================== Инфраструктурный конструктор EF ==================
+    protected Message() : base(Guid.Empty) { }
+
+    protected Message(
+        Guid id, 
+        Guid chatId, 
+        Guid senderId, 
+        Guid? replyToId, 
+        Guid? forwardedFromId, 
+        DateTime createdAt, 
+        bool isImported) : base(id)
+    {
+        ChatId = chatId;
+        SenderId = senderId;
+        ReplyToId = replyToId;
+        ForwardedFromId = forwardedFromId;
+        CreatedAt = createdAt;
+        
+        if (isImported) AddState(MessageState.IsImported);
+    }
+
+    // ================== Управление Состоянием ==================
+    public void AddState(MessageState state) => State |= state;
+    public void RemoveState(MessageState state) => State &= ~state;
+    public bool HasState(MessageState state) => (State & state) == state;
+
+    // ================== Общие операции ==================
+    public virtual void Delete()
+    {
+        AddState(MessageState.IsDeleted);
+    }
+
+    public void DeleteForUser(Guid userId)
+    {
+        if (!_deletedFor.Exists(x => x.UserId == userId))
+        {
+            _deletedFor.Add(new DeletedMessage(Id, userId));
+        }
+    }
+}
+
+