增加领域事件定义，增加MassTransit 发布事件

IRaCIS.Core.Domain/BaseModel/DomainEvent.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IRaCIS.Core.Domain.BaseModel
+{
+    /// <summary>
+    /// 领域实体事件基类
+    /// </summary>
+    public abstract class DomainEvent
+    {
+
+    }
+
+    public class FailedDomainEvent
+    {
+        public Guid Id { get; set; }
+        public string EventType { get; set; }
+        public string EventData { get; set; }
+        public DateTime FailedAt { get; set; }
+    }
+}

IRaCIS.Core.Domain/BaseModel/Entity.cs

@@ -1,21 +1,57 @@
-using System;
+using IRaCIS.Core.Domain.BaseModel;
+using System;
+using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using System.Security.Cryptography;
 
 namespace IRaCIS.Core.Domain.Models
 {
+
+
+    public interface IAggregateRoot;
+    public interface IEntity<TKey>
+    {
+        abstract TKey Id { get; set; }
+
+    }
+
     public abstract class Entity : IEntity<Guid>
     {
         [Key]
         [Required]
         [DatabaseGenerated(DatabaseGeneratedOption.None)]
         public Guid Id { get; set; }
+
+        #region 领域事件 仅仅允许通过提供的方法进行操作
+
+        private readonly List<DomainEvent> _domainEvents = [];
+
+        [NotMapped]
+        public IReadOnlyCollection<DomainEvent> DomainEvents => _domainEvents.AsReadOnly();
+
+
+        public void AddDomainEvent(DomainEvent domainEvent)
+        {
+            _domainEvents.Add(domainEvent);
+        }
+
+        public void RemoveDomainEvent(DomainEvent domainEvent)
+        {
+            _domainEvents.Remove(domainEvent);
+        }
+
+        public void ClearDomainEvents()
+        {
+            _domainEvents.Clear();
+        }
+        #endregion
+
+
     }
 
-    public interface IEntity<TKey>
-    {
-        abstract TKey Id { get; set; }
-    }
+
+
 
     #region 减少实体属性，增加基类