fix(resource model): allow meta data reading from relationship

Author: KondukterCRO

src/Model/Resource/FlatResource.php

@@ -25,9 +25,13 @@ class FlatResource
     /** @var ResourceInterface */
     private $resource;
 
+    /** @var array<string,array> */
+    private array $relationshipMetas;
+
     public function __construct(ResourceInterface $resource)
     {
         $this->resource = $resource;
+        $this->relationshipMetas = [];
     }
 
     /**
@@ -62,6 +66,7 @@ public function getRelationships(): array
 
         /** @var RelationshipInterface $relationship */
         foreach ($this->resource->getRelationships() as $relationship) {
+            $this->buildRelationshipMeta($relationship);
             $relationshipData = $relationship->getData();
 
             if (null === $relationshipData) {
@@ -79,6 +84,7 @@ public function getRelationships(): array
             if ($relationshipData instanceof ToOneRelationshipDataInterface && false === $relationshipData->isEmpty()) {
                 /** @var ResourceIdentifierInterface $data */
                 $data = $relationshipData->getData();
+
                 $flatRelationships[$relationship->getName()] = $data->getId();
 
                 continue;
@@ -129,4 +135,24 @@ public function getIndexedRelationshipObjects(): array
 
         return $flatRelationships;
     }
+
+    /** @return array<string,array<mixed,mixed>> */
+    public function getRelationshipMetas(): array
+    {
+        if (true === empty($this->relationshipMetas)) {
+            /** @var RelationshipInterface $relationship */
+            foreach ($this->resource->getRelationships() as $relationship) {
+                $this->buildRelationshipMeta($relationship);
+            }
+        }
+
+        return $this->relationshipMetas;
+    }
+
+    private function buildRelationshipMeta(RelationshipInterface $relationship): void
+    {
+        $this->relationshipMetas[$relationship->getName() . 'Meta'] = null === $relationship->getMeta()
+            ? []
+            : $relationship->getMeta()->getData();
+    }
 }

src/Service/Resource/Denormalizer/ResourceDenormalizer.php

@@ -50,7 +50,7 @@ public function denormalize(ResourceInterface $resource, string $class): ApiMode
         try {
             /** @var ApiModel $result */
             $result = $this->denormalizer->denormalize($data, $class, null, [
-                AbstractNormalizer::ALLOW_EXTRA_ATTRIBUTES => false,
+                AbstractNormalizer::ALLOW_EXTRA_ATTRIBUTES => true,
             ]);
         } catch (MissingConstructorArgumentsException $e) {
             throw new MissingDataValueResourceDenormalizationException(
@@ -85,6 +85,7 @@ private function prepareData(ResourceInterface $resource, string $class): array
         ];
         $data = array_merge($data, $flatResource->getAttributes());
         $data = array_merge($data, $flatResource->getRelationships());
+        $data = array_merge($data, $flatResource->getRelationshipMetas());
 
         /*
          * Resource has attribute and relationship names that can be different from the property name in the class.