APIP: use new attribute if exists

Author: nikophil

src/Doctrine/EntityRegenerator.php

@@ -44,7 +44,7 @@ public function regenerateEntities(string $classOrNamespace): void
     {
         try {
             $metadata = $this->doctrineHelper->getMetadata($classOrNamespace);
-        } catch (MappingException | LegacyCommonMappingException | PersistenceMappingException $mappingException) {
+        } catch (MappingException|LegacyCommonMappingException|PersistenceMappingException $mappingException) {
             $metadata = $this->doctrineHelper->getMetadata($classOrNamespace, true);
         }
 

src/Resources/skeleton/doctrine/Entity.tpl.php

@@ -2,7 +2,8 @@
 
 namespace <?= $namespace ?>;
 
-<?php if ($api_resource): ?>use ApiPlatform\Core\Annotation\ApiResource;
+<?php if ($api_resource && class_exists(\ApiPlatform\Metadata\ApiResource::class)): ?>use ApiPlatform\Metadata\ApiResource;
+<?php elseif ($api_resource): ?>use ApiPlatform\Core\Annotation\ApiResource;
 <?php endif ?>
 use <?= $repository_full_class_name ?>;
 use Doctrine\ORM\Mapping as ORM;