Перепиливание под чистый DDD

backend/src/Modules/Messaging/Domain/TextMessage.cs

@@ -0,0 +1,50 @@
+using System;
+
+namespace Knot.Modules.Messaging.Domain;
+
+public class TextMessage : Message
+{
+    public override string Type => "text";
+    public override string? Content { get; protected set; }
+    public override string? Quote { get; protected set; }
+
+    private TextMessage() : base() 
+    { 
+        Content = string.Empty;
+    }
+
+    public TextMessage(
+        Guid id, 
+        Guid chatId, 
+        Guid senderId, 
+        string content, 
+        Guid? replyToId, 
+        string? quote, 
+        Guid? forwardedFromId, 
+        DateTime createdAt, 
+        bool isImported) 
+        : base(id, chatId, senderId, replyToId, forwardedFromId, createdAt, isImported)
+    {
+        Content = content;
+        Quote = quote;
+
+        if (!isImported) 
+        {
+            RaiseDomainEvent(new MessageSentDomainEvent(Id, ChatId, SenderId, Content));
+        }
+    }
+
+    public void Edit(string newContent)
+    {
+        Content = newContent;
+        AddState(MessageState.IsEdited);
+    }
+
+    public override void Delete()
+    {
+        Content = string.Empty;
+        base.Delete();
+    }
+}
+
+