Converting to Async

SzCore/SzDataHandler.cs

@@ -9,13 +9,13 @@ public class SzDataHandler
 
     public SzDataHandler() { }
 
-    private void ClearCache()
+    public void ClearCache()
     {
         _loadedDatasets.Clear();
         _loadedTemplates.Clear();
     }
 
-    #region Datasets (Async)
+    #region Datasets
     public async Task<SzResult<bool>> SaveDatasetAsync(SzDataset dataset, CancellationToken ct = default)
     {
         var datasetPath = Path.Combine(SZ.LocalFileManager.DatasetsPath, dataset.Id, "dataset.json");
@@ -90,7 +90,7 @@ public class SzDataHandler
     }
     #endregion
 
-    #region Templates (Async)
+    #region Templates
     public async Task<SzResult<bool>> SaveTemplateAsync(ISzTemplate template, CancellationToken ct = default)
     {
         var templatePath = Path.Combine(SZ.LocalFileManager.TemplatesPath, template.Id, "template.json");
@@ -122,10 +122,41 @@ public class SzDataHandler
         _loadedTemplates.TryAdd(parsed.Id, parsed);
         return SzResult<T>.Success(parsed);
     }
+
+    public async Task<SzResult<bool>> DeleteTemplateAsync(string templateId)
+    {
+        return await Task.Run(() => {
+            try
+            {
+                var path = Path.Combine(SZ.LocalFileManager.TemplatesPath, templateId);
+                if (Directory.Exists(path)) Directory.Delete(path, true);
+                _loadedTemplates.Remove(templateId);
+                return SzResult<bool>.Success(true);
+            }
+            catch (Exception e)
+            {
+                return SzResult<bool>.Failure(e.Message);
+            }
+        });
+    }
     #endregion
 
-    #region Synchronous Logic
-    // These remain synchronous because they are purely in-memory operations.
+    #region Synchronous Creation Logic
+    public SzResult<SzTemplateField> CreateTemplateField(string id, SzFieldType fieldType, bool isList = false, string? defaultValue = null, bool isSpecialType = false, string? specialTypeValue = null)
+    {
+        if (string.IsNullOrEmpty(id)) return SzResult<SzTemplateField>.Failure("ID cannot be empty.");
+
+        return SzResult<SzTemplateField>.Success(new SzTemplateField()
+        {
+            Id = id,
+            FieldType = fieldType,
+            IsList = isList,
+            IsSpecialType = isSpecialType,
+            DefaultValue = defaultValue ?? "",
+            SpecialTypeValue = specialTypeValue ?? ""
+        });
+    }
+
     public SzResult<SzDataObjectTemplate> CreateDataObjectTemplate(string name, string dataObjectType, string? id = null, string? description = null, List<SzTemplateField>? fields = null)
     {
         var newTemplate = new SzDataObjectTemplate()