From 44b90d5993d377c5857e26183261a3947a68d23e Mon Sep 17 00:00:00 2001
From: Warren Buckley <warren@umbraco.com>
Date: Mon, 29 Mar 2021 11:08:14 +0100
Subject: [PATCH] Implment a Renaming & Renamed notification for DataType
 Container

---
 .../EntityContainerRenamedNotification.cs     |  2 +-
 .../EntityContainerRenamingNotification.cs    | 11 ++++++++++
 .../Events/RenamedNotification.cs             | 20 +++++++++++++++++++
 .../Events/RenamingNotification.cs            | 20 +++++++++++++++++++
 .../Services/Implement/DataTypeService.cs     |  9 ++++++++-
 5 files changed, 60 insertions(+), 2 deletions(-)
 create mode 100644 src/Umbraco.Core/Events/EntityContainerRenamingNotification.cs
 create mode 100644 src/Umbraco.Core/Events/RenamedNotification.cs
 create mode 100644 src/Umbraco.Core/Events/RenamingNotification.cs

diff --git a/src/Umbraco.Core/Events/EntityContainerRenamedNotification.cs b/src/Umbraco.Core/Events/EntityContainerRenamedNotification.cs
index 3fac1fdd40..dc1b858bd9 100644
--- a/src/Umbraco.Core/Events/EntityContainerRenamedNotification.cs
+++ b/src/Umbraco.Core/Events/EntityContainerRenamedNotification.cs
@@ -2,7 +2,7 @@ using Umbraco.Cms.Core.Models;
 
 namespace Umbraco.Cms.Core.Events
 {
-    public class EntityContainerRenamedNotification : SavedNotification<EntityContainer>
+    public class EntityContainerRenamedNotification : RenamedNotification<EntityContainer>
     {
         public EntityContainerRenamedNotification(EntityContainer target, EventMessages messages) : base(target, messages)
         {
diff --git a/src/Umbraco.Core/Events/EntityContainerRenamingNotification.cs b/src/Umbraco.Core/Events/EntityContainerRenamingNotification.cs
new file mode 100644
index 0000000000..f2408a1faf
--- /dev/null
+++ b/src/Umbraco.Core/Events/EntityContainerRenamingNotification.cs
@@ -0,0 +1,11 @@
+using Umbraco.Cms.Core.Models;
+
+namespace Umbraco.Cms.Core.Events
+{
+    public class EntityContainerRenamingNotification : RenamingNotification<EntityContainer>
+    {
+        public EntityContainerRenamingNotification(EntityContainer target, EventMessages messages) : base(target, messages)
+        {
+        }
+    }
+}
diff --git a/src/Umbraco.Core/Events/RenamedNotification.cs b/src/Umbraco.Core/Events/RenamedNotification.cs
new file mode 100644
index 0000000000..81a568b6df
--- /dev/null
+++ b/src/Umbraco.Core/Events/RenamedNotification.cs
@@ -0,0 +1,20 @@
+// Copyright (c) Umbraco.
+// See LICENSE for more details.
+
+using System.Collections.Generic;
+
+namespace Umbraco.Cms.Core.Events
+{
+    public abstract class RenamedNotification<T> : EnumerableObjectNotification<T>
+    {
+        protected RenamedNotification(T target, EventMessages messages) : base(target, messages)
+        {
+        }
+
+        protected RenamedNotification(IEnumerable<T> target, EventMessages messages) : base(target, messages)
+        {
+        }
+
+        public IEnumerable<T> Entities => Target;
+    }
+}
diff --git a/src/Umbraco.Core/Events/RenamingNotification.cs b/src/Umbraco.Core/Events/RenamingNotification.cs
new file mode 100644
index 0000000000..f215a8ea54
--- /dev/null
+++ b/src/Umbraco.Core/Events/RenamingNotification.cs
@@ -0,0 +1,20 @@
+// Copyright (c) Umbraco.
+// See LICENSE for more details.
+
+using System.Collections.Generic;
+
+namespace Umbraco.Cms.Core.Events
+{
+    public abstract class RenamingNotification<T> : CancelableEnumerableObjectNotification<T>
+    {
+        protected RenamingNotification(T target, EventMessages messages) : base(target, messages)
+        {
+        }
+
+        protected RenamingNotification(IEnumerable<T> target, EventMessages messages) : base(target, messages)
+        {
+        }
+
+        public IEnumerable<T> Entities => Target;
+    }
+}
diff --git a/src/Umbraco.Infrastructure/Services/Implement/DataTypeService.cs b/src/Umbraco.Infrastructure/Services/Implement/DataTypeService.cs
index fd1b40eb2f..455f88a70f 100644
--- a/src/Umbraco.Infrastructure/Services/Implement/DataTypeService.cs
+++ b/src/Umbraco.Infrastructure/Services/Implement/DataTypeService.cs
@@ -223,10 +223,17 @@ namespace Umbraco.Cms.Core.Services.Implement
 
                     container.Name = name;
 
+                    var renamingEntityContainerNotification = new EntityContainerRenamingNotification(container, evtMsgs);
+                    if (scope.Notifications.PublishCancelable(renamingEntityContainerNotification))
+                    {
+                        scope.Complete();
+                        return OperationResult.Attempt.Cancel(evtMsgs, container);
+                    }
+
                     _dataTypeContainerRepository.Save(container);
                     scope.Complete();
 
-                    scope.Notifications.Publish(new EntityContainerRenamedNotification(container, evtMsgs));
+                    scope.Notifications.Publish(new EntityContainerRenamedNotification(container, evtMsgs).WithStateFrom(renamingEntityContainerNotification));
 
                     return OperationResult.Attempt.Succeed(OperationResultType.Success, evtMsgs, container);
                 }