Merge pull request #25 from patrickdemooij9/feature/LoadBalancingCache

Make sure to clear cache for load balancing websites
patrickdemooij9 · Jun 27, 2022 · 43cba67 · 43cba67
2 parents fcfcc1b + 8adb03e
commit 43cba67
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Showing 4 changed files with 44 additions and 4 deletions.
diff --git a/source/SimpleRedirects.Core/Notifications/RedirectCacheRefresherNotification.cs b/source/SimpleRedirects.Core/Notifications/RedirectCacheRefresherNotification.cs
@@ -0,0 +1,12 @@
+using Umbraco.Cms.Core.Notifications;
+using Umbraco.Cms.Core.Sync;
+
+namespace SimpleRedirects.Core.Notifications
+{
+    public class RedirectCacheRefresherNotification : CacheRefresherNotification
+    {
+        public RedirectCacheRefresherNotification(object messageObject, MessageType messageType) : base(messageObject, messageType)
+        {
+        }
+    }
+}
diff --git a/source/SimpleRedirects.Core/RedirectRepository.cs b/source/SimpleRedirects.Core/RedirectRepository.cs
@@ -7,6 +7,7 @@
 using SimpleRedirects.Core.Extensions;
 using SimpleRedirects.Core.Models;
 using SimpleRedirects.Core.Utilities.Caching;
+using Umbraco.Cms.Core.Cache;
 using Umbraco.Cms.Core.Scoping;
 using Umbraco.Extensions;
 
@@ -15,14 +16,16 @@ namespace SimpleRedirects.Core
     public class RedirectRepository
     {
         private readonly ICacheManager _cacheManager;
-        private const string CacheCategoryKey = "Redirects";
+        private readonly DistributedCache _distributedCache;
+        public const string CacheCategoryKey = "Redirects";
 
         private readonly IScopeProvider _scopeProvider;
 
-        public RedirectRepository(IScopeProvider scopeProvider, ICacheManager cacheManager)
+        public RedirectRepository(IScopeProvider scopeProvider, ICacheManager cacheManager, DistributedCache distributedCache)
         {
             _scopeProvider = scopeProvider;
             _cacheManager = cacheManager;
+            _distributedCache = distributedCache;
         }
 
         /// <summary>
@@ -195,7 +198,7 @@ public Redirect FindRedirect(Uri oldUrl)
         /// </summary>
         public void ClearCache()
         {
-            _cacheManager.ClearByKeyPrefix(CacheCategoryKey);
+            _distributedCache.RefreshAll(RedirectCacheRefresher.UniqueId);
         }
 
         /// <summary>

diff --git a/source/SimpleRedirects.Core/SimpleRedirects.Core.csproj b/source/SimpleRedirects.Core/SimpleRedirects.Core.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <ContentTargetFolders>.</ContentTargetFolders>

diff --git a/source/SimpleRedirects.Core/Utilities/Caching/RedirectCacheRefresher.cs b/source/SimpleRedirects.Core/Utilities/Caching/RedirectCacheRefresher.cs
@@ -0,0 +1,25 @@
+using System;
+using SimpleRedirects.Core.Notifications;
+using Umbraco.Cms.Core.Cache;
+using Umbraco.Cms.Core.Events;
+
+namespace SimpleRedirects.Core.Utilities.Caching
+{
+    public class RedirectCacheRefresher : CacheRefresherBase<RedirectCacheRefresherNotification>
+    {
+        public static readonly Guid UniqueId = Guid.Parse("fe3847bc-80c4-4ce0-abde-551bb409599a");
+
+        public RedirectCacheRefresher(AppCaches appCaches, IEventAggregator eventAggregator, ICacheRefresherNotificationFactory factory) : base(appCaches, eventAggregator, factory)
+        {
+        }
+
+        public override Guid RefresherUniqueId => UniqueId;
+        public override string Name => "Redirects Cache Refresher";
+
+        public override void RefreshAll()
+        {
+            AppCaches.RuntimeCache.ClearByKey(RedirectRepository.CacheCategoryKey);
+            base.RefreshAll();
+        }
+    }
+}