添加命令数据验证和其他杂项修改

Domain/AggregateModel/AppAggregate/IAppRepository.cs

@@ -9,7 +9,7 @@ namespace Domain.AggregateModel.AppAggregate
 {
     public interface IAppRepository:IRepository<App>
     {
-        void Add(App app);
+        App Add(App app);
         Task<App> GetAsync(int id);
     }
 }

Domain/AggregateModel/LinkAggregate/ILinkRepository.cs

@@ -9,7 +9,7 @@ namespace Domain.AggregateModel.LinkAggregate
 {
     public interface ILinkRepository:IRepository<Link>
     {
-        void Add(Link link);
+        Link Add(Link link);
 
         Task<Link> GetAsync(string shortCode);
     }

Domain/Domain.csproj

@@ -9,9 +9,4 @@
     <PackageReference Include="MediatR.Extensions.Microsoft.DependencyInjection" Version="9.0.0" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="Events\" />
-    <Folder Include="Exceptions\" />
-  </ItemGroup>
-
 </Project>

Domain/Events/AppBaseUrlUpdatedDomainEvent.cs

@@ -0,0 +1,21 @@
+using Domain.AggregateModel.AppAggregate;
+using MediatR;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Domain.Events
+{
+    //更新了基础地址
+    public class AppBaseUrlUpdatedDomainEvent: INotification
+    {
+        public App App { get; set; }
+        public string OldBaseUrl { get; set; }
+        public AppBaseUrlUpdatedDomainEvent(App app,string oldBaseUrl) {
+            App = app;
+            OldBaseUrl = oldBaseUrl;
+        }
+    }
+}

Domain/Events/LinkCreatedDomainEvent.cs

@@ -0,0 +1,21 @@
+using Domain.AggregateModel.LinkAggregate;
+using MediatR;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Domain.Events
+{
+    //短链接生成通知
+    public class LinkCreatedDomainEvent:INotification
+    {
+        public Link Link { get; set; }
+
+        public LinkCreatedDomainEvent(Link link)
+        {
+            Link = link;
+        }
+    }
+}

Domain/Exceptions/DomainException.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace Domain.Exceptions
+{
+    public class DomainException : Exception
+    {
+        public DomainException(string message) : base(message)
+        { }
+
+        public DomainException(string message, Exception innerException) : base(message, innerException)
+        { }
+    }
+}