Merge pull request #26 from dachcom-digital/feature/object-getter-extractor

more flexibility for object getter extractor (#24)

Author: benwalch

UPGRADE.md

@@ -2,6 +2,9 @@
 
 ## 2.0.2
 - [BUGFIX] `object_relations_getter_extractor` respect arguments (#23)
+- [FEATURE] `object_getter_extractor` more flexibility (#24)
+  - support mixed types
+  - `transform_callback` option 
 
 ## 2.0.1
 - [BUGFIX] Add null coalescing operator to `$options['asset_limit']` in `AssetListBuilder:getList()`

src/DsTrinityDataBundle/Resource/FieldTransformer/Object/ObjectGetterExtractor.php

@@ -2,6 +2,7 @@
 
 namespace DsTrinityDataBundle\Resource\FieldTransformer\Object;
 
+use DynamicSearchBundle\Exception\TransformerException;
 use DynamicSearchBundle\Resource\Container\ResourceContainerInterface;
 use DynamicSearchBundle\Resource\FieldTransformerInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
@@ -12,14 +13,16 @@ class ObjectGetterExtractor implements FieldTransformerInterface
 
     public function configureOptions(OptionsResolver $resolver): void
     {
-        $resolver->setRequired(['method', 'arguments', 'clean_string']);
+        $resolver->setRequired(['method', 'arguments', 'clean_string', 'transform_callback']);
         $resolver->setAllowedTypes('method', ['string']);
         $resolver->setAllowedTypes('arguments', ['array']);
         $resolver->setAllowedTypes('clean_string', ['boolean']);
+        $resolver->setAllowedTypes('transform_callback', ['null', 'closure']);
         $resolver->setDefaults([
             'method'       => 'id',
             'clean_string' => true,
-            'arguments'    => []
+            'arguments'    => [],
+            'transform_callback'       => null,
         ]);
     }
 
@@ -28,7 +31,7 @@ public function setOptions(array $options): void
         $this->options = $options;
     }
 
-    public function transformData(string $dispatchTransformerName, ResourceContainerInterface $resourceContainer): ?string
+    public function transformData(string $dispatchTransformerName, ResourceContainerInterface $resourceContainer): null|bool|int|float|string|array
     {
         if (!$resourceContainer->hasAttribute('type')) {
             return null;
@@ -40,11 +43,18 @@ public function transformData(string $dispatchTransformerName, ResourceContainer
         }
 
         $value = call_user_func_array([$data, $this->options['method']], $this->options['arguments']);
-        if (!is_string($value)) {
-            return null;
+        
+        if (is_callable($this->options['transform_callback'])) {
+            try {
+                $value = $this->options['transform_callback']($value);
+            } catch (\Throwable $e) {
+                throw new TransformerException(
+                    sprintf('error while executing transform_callback: %s',  $e->getMessage())
+                );
+            }
         }
-
-        if ($this->options['clean_string'] === true) {
+        
+        if (is_string($value) && $this->options['clean_string'] === true) {
             return trim(preg_replace('/\s+/', ' ', strip_tags($value)));
         }