missing legacy listener

Author: soyuka

src/Symfony/Bundle/DependencyInjection/ApiPlatformExtension.php

@@ -125,7 +125,7 @@ public function load(array $configs, ContainerBuilder $container): void
         $this->registerOAuthConfiguration($container, $config);
         $this->registerOpenApiConfiguration($container, $config, $loader);
         $this->registerSwaggerConfiguration($container, $config, $loader);
-        $this->registerJsonApiConfiguration($formats, $loader);
+        $this->registerJsonApiConfiguration($formats, $loader, $config);
         $this->registerJsonLdHydraConfiguration($container, $formats, $loader, $config);
         $this->registerJsonHalConfiguration($formats, $loader);
         $this->registerJsonProblemConfiguration($errorFormats, $loader);
@@ -467,7 +467,7 @@ private function registerSwaggerConfiguration(ContainerBuilder $container, array
         $container->setParameter('api_platform.swagger_ui.extra_configuration', $config['openapi']['swagger_ui_extra_configuration'] ?: $config['swagger']['swagger_ui_extra_configuration']);
     }
 
-    private function registerJsonApiConfiguration(array $formats, XmlFileLoader $loader): void
+    private function registerJsonApiConfiguration(array $formats, XmlFileLoader $loader, array $config): void
     {
         if (!isset($formats['jsonapi'])) {
             return;
@@ -663,6 +663,10 @@ private function registerHttpCacheConfiguration(ContainerBuilder $container, arr
 
         $loader->load('http_cache_purger.xml');
 
+        if ($config['event_listeners_backward_compatibility_layer'] ?? true) {
+            $loader->load('legacy/http_cache_purger.xml');
+        }
+
         foreach ($config['http_cache']['invalidation']['scoped_clients'] as $client) {
             $definition = $container->getDefinition($client);
             $definition->addTag('api_platform.http_cache.http_client');

src/Symfony/Bundle/Resources/config/http_cache_purger.xml

@@ -19,12 +19,6 @@
             <argument>%api_platform.http_cache.invalidation.max_header_length%</argument>
         </service>
 
-        <!-- <service id="api_platform.http_cache.listener.response.add_tags" class="ApiPlatform\HttpCache\EventListener\AddTagsListener"> -->
-        <!--     <argument type="service" id="api_platform.iri_converter" /> -->
-        <!--     <argument type="service" id="api_platform.metadata.resource.metadata_collection_factory" on-invalid="null" /> -->
-        <!--     <argument type="service" id="api_platform.http_cache.purger" on-invalid="null" /> -->
-        <!--     <tag name="kernel.event_listener" event="kernel.response" method="onKernelResponse" priority="-2" /> -->
-        <!-- </service> -->
         <service id="api_platform.http_cache_purger.processor.add_tags" class="ApiPlatform\HttpCache\AddTagsProcessor" decorates="api_platform.state_processor.respond">
             <argument type="service" id="api_platform.http_cache_purger.processor.add_tags.inner" />
             <argument type="service" id="api_platform.iri_converter" />

src/Symfony/Bundle/Resources/config/legacy/http_cache_purger.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
+
+    <services>
+        <service id="api_platform.http_cache.listener.response.add_tags" class="ApiPlatform\HttpCache\EventListener\AddTagsListener">
+            <argument type="service" id="api_platform.iri_converter" />
+            <argument type="service" id="api_platform.metadata.resource.metadata_collection_factory" on-invalid="null" />
+            <argument type="service" id="api_platform.http_cache.purger" on-invalid="null" />
+            <tag name="kernel.event_listener" event="kernel.response" method="onKernelResponse" priority="-2" />
+        </service>
+    </services>
+</container>