#19084: Handling publishing/unpublishing event for Content Menu Items

When a content item is removed, its menu items are also.
When a content item is unpublished, its menu items are also.
When a content item is published, its menu items are also.

Work Item: 19084

--HG--
branch : 1.x

src/Orchard.Web/Core/Navigation/Handlers/NavigationPartHandler.cs

@@ -0,0 +1,65 @@
+using JetBrains.Annotations;
+using Orchard.ContentManagement;
+using Orchard.Core.Navigation.Models;
+using Orchard.Data;
+using Orchard.ContentManagement.Handlers;
+
+namespace Orchard.Core.Navigation.Handlers {
+    [UsedImplicitly]
+    public class NavigationPartHandler : ContentHandler {
+        private readonly IContentManager _contentManager;
+        private readonly IRepository<ContentMenuItemPartRecord> _repository;
+
+        public NavigationPartHandler(IContentManager contentManager, IRepository<ContentMenuItemPartRecord> repository) {
+            _contentManager = contentManager;
+            _repository = repository;
+
+            OnRemoving<NavigationPart>((context, part) => RemoveContentItems(part));
+            
+            OnUnpublished<NavigationPart>((context, part) => UnpublishContentItems(part));
+            OnPublished<NavigationPart>((context, part) => PublishContentItems(part));
+        }
+
+        public void RemoveContentItems(NavigationPart part) {
+            // look for ContentMenuItemPart with this content 
+            var contentMenuItemRecords = _repository.Fetch(x => x.ContentMenuItemRecord == part.ContentItem.Record);
+
+            // delete all menu items linking to this content item
+            foreach (var contentMenuItemRecord in contentMenuItemRecords) {
+                // look for any version
+                var contentItem = _contentManager.Get(contentMenuItemRecord.Id, VersionOptions.AllVersions);
+                if (contentItem != null) {
+                    _contentManager.Remove(contentItem);
+                }
+            }
+        }
+
+        public void UnpublishContentItems(NavigationPart part) {
+            // look for ContentMenuItemPart with this content 
+            var contentMenuItemRecords = _repository.Fetch(x => x.ContentMenuItemRecord == part.ContentItem.Record);
+
+            // delete all menu items linking to this content item
+            foreach (var contentMenuItemRecord in contentMenuItemRecords) {
+                // look for a published version only
+                var contentItem = _contentManager.Get(contentMenuItemRecord.Id);
+                if (contentItem != null) {
+                    _contentManager.Unpublish(contentItem);
+                }
+            }
+        }
+
+        public void PublishContentItems(NavigationPart part) {
+            // look for ContentMenuItemPart with this content 
+            var contentMenuItemRecords = _repository.Fetch(x => x.ContentMenuItemRecord == part.ContentItem.Record);
+
+            // delete all menu items linking to this content item
+            foreach (var contentMenuItemRecord in contentMenuItemRecords) {
+                // even look for an unpublished version
+                var contentItem = _contentManager.Get(contentMenuItemRecord.Id, VersionOptions.Latest);
+                if(contentItem != null) {
+                    _contentManager.Publish(contentItem);
+                }
+            }
+        }
+    }
+}

src/Orchard.Web/Core/Orchard.Core.csproj

@@ -21,6 +21,10 @@
     </UpgradeBackupLocation>
     <TargetFrameworkProfile />
     <UseIISExpress>false</UseIISExpress>
+    <IISExpressSSLPort />
+    <IISExpressAnonymousAuthentication />
+    <IISExpressWindowsAuthentication />
+    <IISExpressUseClassicPipelineMode />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -138,6 +142,7 @@
     <Compile Include="Navigation\Drivers\MenuWidgetPartDriver.cs" />
     <Compile Include="Navigation\Handlers\AdminMenuPartHandler.cs" />
     <Compile Include="Navigation\Handlers\ContentMenuItemPartHandler.cs" />
+    <Compile Include="Navigation\Handlers\NavigationPartHandler.cs" />
     <Compile Include="Navigation\Handlers\MenuHandler.cs" />
     <Compile Include="Navigation\Handlers\MenuWidgetPartHandler.cs" />
     <Compile Include="Navigation\Models\AdminMenuPart.cs" />