feature: content type service extensions

.gitignore

@@ -355,3 +355,4 @@ MigrationBackup/
 # Rider
 src/.idea
 *.sqlite.db*
+.idea/

src/jcdcdev.Umbraco.Core/Extensions/ContentTypeBaseServiceExtensions.cs

@@ -0,0 +1,44 @@
+using Umbraco.Cms.Core.Models;
+using Umbraco.Cms.Core.Services;
+using Umbraco.Extensions;
+
+namespace jcdcdev.Umbraco.Core.Extensions;
+
+public static class ContentTypeBaseServiceExtensions
+{
+    public static IEnumerable<EntityContainer> GetAllContainers<T>(this IContentTypeBaseService<T> service) where T : IContentTypeComposition =>
+        service.GetContainers(Array.Empty<int>());
+
+    public static void DeleteAllEmptyContainers<T>(this IContentTypeBaseService<T> service) where T : IContentTypeComposition
+    {
+        var contentTypes = service.GetAll();
+        var lookup = contentTypes.GroupBy(x => x.ParentId).ToLookup(x => x.Key, x => x.Count());
+        var containers = service.GetAllContainers();
+
+        foreach (var container in containers)
+        {
+            var hasChildren = lookup.Contains(container.Id);
+
+            if (hasChildren)
+            {
+                continue;
+            }
+
+            service.DeleteContainer(container.Id);
+        }
+    }
+
+    public static EntityContainer GetOrCreateFolder<T>(this IContentTypeBaseService<T> service, string folder, int parentId = -1) where T : IContentTypeComposition
+    {
+        var container = service
+            .GetAllContainers()
+            .FirstOrDefault(x => x.ParentId == parentId && x.Name.InvariantEquals(folder));
+
+        if (container == null)
+        {
+            container = service.CreateContainer(parentId, new Guid(), folder).Result?.Entity;
+        }
+
+        return container ?? throw new Exception();
+    }
+}