feat(laravel): add CSV support (#6617)

* feat(laravel): add CSV support

* text/csv

Author: dunglas

src/Laravel/ApiPlatformProvider.php

@@ -198,6 +198,7 @@
 use Symfony\Component\PropertyInfo\PropertyInfoExtractor;
 use Symfony\Component\PropertyInfo\PropertyInfoExtractorInterface;
 use Symfony\Component\Routing\RequestContext;
+use Symfony\Component\Serializer\Encoder\CsvEncoder;
 use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactory;
 use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryInterface;
 use Symfony\Component\Serializer\Mapping\Loader\AttributeLoader;
@@ -956,7 +957,15 @@ public function register(): void
             // $list->insert($jsonserializableNormalizer, -900);
             // $list->insert($uuidDenormalizer, -895); //Todo ramsey uuid support ?
 
-            return new Serializer(iterator_to_array($list), [new JsonEncoder('json'), $app->make(JsonEncoder::class), new JsonEncoder('jsonopenapi'), new JsonEncoder('jsonapi')]);
+            return new Serializer(
+                iterator_to_array($list),
+                [
+                    new JsonEncoder('json'),
+                    $app->make(JsonEncoder::class),
+                    new JsonEncoder('jsonopenapi'),
+                    new JsonEncoder('jsonapi'),
+                    new CsvEncoder(),
+                ]);
         });
 
         $this->app->singleton(JsonLdItemNormalizer::class, function (Application $app) {

src/Laravel/config/api-platform.php

@@ -23,6 +23,7 @@
     'formats' => [
         'jsonld' => ['application/ld+json'],
         //'jsonapi' => ['application/vnd.api+json'],
+        //'csv' => ['text/csv'],
     ],
 
     'patch_formats' => [