create visualisation service rers #268

Service/CustomFieldsHelperException.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Chill\CustomFieldsBundle\Service;
+
+class CustomFieldsHelperException extends \Exception
+{
+    public static function customFieldsGroupNotFound($entity) 
+    {
+        return new CustomFieldsRenderingException("The customFieldsGroups associated with $entity are not found");
+    }
+    
+    public static function slugIsMissing()
+    {
+        return new CustomFieldsRenderingException("The slug is missing");
+    }
+}