feature: data type service extensions

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

@@ -0,0 +1,46 @@
+using Umbraco.Cms.Core.Models;
+using Umbraco.Cms.Core.Services;
+using Umbraco.Extensions;
+
+namespace jcdcdev.Umbraco.Core.Extensions;
+
+public static class DataTypeServiceExtensions
+{
+    public static IEnumerable<EntityContainer> GetAllContainers(this IDataTypeService dataTypeService) => dataTypeService.GetContainers(Array.Empty<int>());
+
+    public static void DeleteAllEmptyContainers(this IDataTypeService dataTypeService)
+    {
+        var dataTypes = dataTypeService.GetAll();
+        var lookup = dataTypes.GroupBy(x => x.ParentId).ToLookup(x => x.Key, x => x.Count());
+        var containers = dataTypeService.GetAllContainers();
+
+        foreach (var container in containers)
+        {
+            var hasChildren = lookup.Contains(container.Id);
+
+            if (hasChildren)
+            {
+                continue;
+            }
+
+            dataTypeService.DeleteContainer(container.Id);
+        }
+    }
+
+    public static EntityContainer GetOrCreateFolder(
+        this IDataTypeService dataTypeService,
+        string folder,
+        int parentId = -1)
+    {
+        var dts = dataTypeService
+            .GetAllContainers()
+            .FirstOrDefault(x => x.ParentId == parentId && x.Name.InvariantEquals(folder));
+
+        if (dts == null)
+        {
+            dts = dataTypeService.CreateContainer(parentId, new Guid(), folder).Result?.Entity;
+        }
+
+        return dts ?? throw new Exception();
+    }
+}