support autowire convenience clients (#309)

this only happens for the "default" client: the first configured client or the one called default.

Author: dbu

CHANGELOG.md

@@ -4,6 +4,12 @@ The change log describes what is "Added", "Removed", "Changed" or "Fixed" betwee
 
 ## 1.15.0 [unreleased]
 
+### Added
+
+- Autowiring support for FlexibleClient, HttpMethodsClientInterface and
+  BatchClientInterface if they are enabled on the default/first client.
+  (Only available with Httplug 2)
+
 ### Changed
 
 - Removed `twig/twig` dependency

DependencyInjection/HttplugExtension.php

@@ -3,8 +3,10 @@
 namespace Http\HttplugBundle\DependencyInjection;
 
 use Http\Client\Common\BatchClient;
+use Http\Client\Common\BatchClientInterface;
 use Http\Client\Common\FlexibleHttpClient;
 use Http\Client\Common\HttpMethodsClient;
+use Http\Client\Common\HttpMethodsClientInterface;
 use Http\Client\Common\Plugin\AuthenticationPlugin;
 use Http\Client\Common\PluginClient;
 use Http\Client\Common\PluginClientFactory;
@@ -111,9 +113,30 @@ private function configureClients(ContainerBuilder $container, array $config)
         // If we have clients configured
         if (null !== $first) {
             // If we do not have a client named 'default'
-            if (!isset($config['clients']['default'])) {
+            if (!array_key_exists('default', $config['clients'])) {
+                $serviceId = 'httplug.client.'.$first;
                 // Alias the first client to httplug.client.default
-                $container->setAlias('httplug.client.default', 'httplug.client.'.$first);
+                $container->setAlias('httplug.client.default', $serviceId);
+                $default = $first;
+            } else {
+                $default = 'default';
+            }
+
+            // Autowiring alias for special clients, if they are enabled on the default client
+            if ($config['clients'][$default]['flexible_client']) {
+                $container->setAlias(FlexibleHttpClient::class, $serviceId.'.flexible');
+            }
+            if ($config['clients'][$default]['http_methods_client']) {
+                if (\interface_exists(HttpMethodsClientInterface::class)) {
+                    // support for client-common 1.9
+                    $container->setAlias(HttpMethodsClientInterface::class, $serviceId.'.http_methods');
+                }
+            }
+            if ($config['clients'][$default]['batch_client']) {
+                if (\interface_exists(BatchClientInterface::class)) {
+                    // support for client-common 1.9
+                    $container->setAlias(BatchClientInterface::class, $serviceId.'.batch_client');
+                }
             }
         }
     }