Removed concrete type checks for back-office published cache details, so now working from interface. Renamed controller and FE assets to more generic name.

src/Umbraco.Web/Editors/PublishedSnapshotCacheStatusController.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Web.Http;
+using Umbraco.Web.Cache;
+using Umbraco.Web.Composing;
+using Umbraco.Web.PublishedCache;
+using Umbraco.Web.WebApi;
+
+namespace Umbraco.Web.Editors
+{
+    public class PublishedSnapshotCacheStatusController : UmbracoAuthorizedApiController
+    {
+        private readonly IPublishedSnapshotService _publishedSnapshotService;
+
+        public PublishedSnapshotCacheStatusController(IPublishedSnapshotService publishedSnapshotService)
+        {
+            _publishedSnapshotService = publishedSnapshotService ?? throw new ArgumentNullException(nameof(publishedSnapshotService));
+        }
+
+        [HttpPost]
+        public string RebuildDbCache()
+        {
+            _publishedSnapshotService.Rebuild();
+            return _publishedSnapshotService.GetStatus();
+        }
+
+        [HttpGet]
+        public string GetStatus()
+        {
+            return _publishedSnapshotService.GetStatus();
+        }
+
+        [HttpGet]
+        public string Collect()
+        {
+            GC.Collect();
+            _publishedSnapshotService.Collect();
+            return _publishedSnapshotService.GetStatus();
+        }
+
+        [HttpPost]
+        public void ReloadCache()
+        {
+            Current.DistributedCache.RefreshAllPublishedSnapshot();
+        }
+    }
+}