Adding creation of data into data handler, marking the way for szdb handling

SzCore/SzEvaluator.cs

@@ -6,9 +6,29 @@ namespace SzCore;
 
 public class SzEvaluator
 {
-    public SzEvaluationResult EvaluateDataObject(SzDataObject dataObject, SzDataObjectTemplate template)
+
+    public SzOperationResult EvaluateDataset(SzDataset dataset)
     {
-        if (dataObject is null || template is null) return new SzEvaluationResult(false, "dataObject or template is null");
+        if (dataset is null) return new SzOperationResult(false, "Dataset cannot be null");
+
+        var errors = new StringBuilder();
+
+        var template = SZ.SzDataHandler.LoadTemplate<SzDataObjectTemplate>(dataset.DataObjectTemplateId);
+        if (template is null) return new SzOperationResult(false, $"Template with id {dataset.DataObjectTemplateId} for Dataset ID {dataset.Id} could not be loaded");
+
+        foreach (var dataObject in dataset.DataObjects.Values)
+        {
+            var evalResult = EvaluateDataObject(dataObject, template);
+            if (!evalResult.Pass) errors.Append(evalResult.Errors);
+        }
+
+        var errString = errors.ToString();
+        return new SzOperationResult(string.IsNullOrEmpty(errString), errString);
+    }
+
+    public SzOperationResult EvaluateDataObject(SzDataObject dataObject, SzDataObjectTemplate template)
+    {
+        if (dataObject is null || template is null) return new SzOperationResult(false, "dataObject or template is null");
 
         var errors = new StringBuilder();
 
@@ -36,10 +56,10 @@ public class SzEvaluator
         }
 
         var errString = errors.ToString().Trim();
-        return new SzEvaluationResult(string.IsNullOrEmpty(errString), string.IsNullOrEmpty(errString) ? "" : errString);
+        return new SzOperationResult(string.IsNullOrEmpty(errString), string.IsNullOrEmpty(errString) ? "" : errString);
     }
 
-    public SzEvaluationResult DoesFieldMatchTemplateField(SzField field, SzTemplateField templateField)
+    public SzOperationResult DoesFieldMatchTemplateField(SzField field, SzTemplateField templateField)
     {
         var errors = new StringBuilder();
 
@@ -48,13 +68,13 @@ public class SzEvaluator
         if (field.IsList != templateField.IsList) errors.AppendLine($"Field '{field.Id}' IsList mismatch: Expected {templateField.IsList}");
 
         var errString = errors.ToString().Trim();
-        return new SzEvaluationResult(string.IsNullOrEmpty(errString), errString);
+        return new SzOperationResult(string.IsNullOrEmpty(errString), errString);
     }
 
-    public SzEvaluationResult EvaluateFieldValue(SzField field)
+    public SzOperationResult EvaluateFieldValue(SzField field)
     {
         if (string.IsNullOrWhiteSpace(field.Value)) 
-            return new SzEvaluationResult(true, "");
+            return new SzOperationResult(true, "");
 
         var errors = new StringBuilder(); 
 
@@ -91,12 +111,6 @@ public class SzEvaluator
         }
 
         var errString = errors.ToString().Trim();
-        return new SzEvaluationResult(string.IsNullOrEmpty(errString), errString);
+        return new SzOperationResult(string.IsNullOrEmpty(errString), errString);
     }
 } 
-
-public class SzEvaluationResult(bool pass, string errors = "None")
-{
-    public bool Pass = pass;
-    public string Errors = errors;
-}