added a cookie setting listener to remember a users language when no …

…host map is used

DependencyInjection/JMSI18nRoutingExtension.php

@@ -67,6 +67,12 @@ public function load(array $configs, ContainerBuilder $container)
                 ->getDefinition('jms_i18n_routing.locale_resolver.default')
                 ->addArgument(array_flip($config['hosts']))
             ;
+        } else {
+            $container
+                ->getDefinition('jms_i18n_routing.cookie_setting_listener')
+                ->setPublic(true)
+                ->addTag('kernel.event_listener', array('event' => 'kernel.response', 'priority' => 256))
+            ;
         }
 
         // remove route extractor if JMSTranslationBundle is not enabled to avoid any problems

EventListener/CookieSettingListener.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace JMS\I18nRoutingBundle\EventListener;
+
+use Symfony\Component\HttpFoundation\Cookie;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+
+/**
+ * Sets the user's language as a cookie.
+ *
+ * This is necessary if you are not using a host map, and still would like to
+ * use Varnish in front of your Symfony2 application.
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class CookieSettingListener
+{
+    public function onKernelResponse(FilterResponseEvent $event)
+    {
+        if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) {
+            return;
+        }
+
+        $request = $event->getRequest();
+
+        if (!$request->cookies->has('hl')
+                || $request->cookies->get('hl') !== $request->getLocale()) {
+            $event->getResponse()->headers->setCookie(new Cookie('hl', $request->getLocale(), time() + 86400 * 365));
+        }
+    }
+}

EventListener/LocaleChoosingListener.php

@@ -68,6 +68,7 @@ public function onKernelException(GetResponseForExceptionEvent $event)
         }
 
         $locale = $this->localeResolver->resolveLocale($request, $this->locales) ?: $this->defaultLocale;
+        $request->setLocale($locale);
         $event->setResponse(new RedirectResponse($request->getBaseUrl().'/'.$locale.'/'));
     }
 }

Resources/config/services.xml

@@ -13,6 +13,7 @@
         <parameter key="jms_i18n_routing.pattern_generation_strategy.class">JMS\I18nRoutingBundle\Router\DefaultPatternGenerationStrategy</parameter>
 
         <parameter key="jms_i18n_routing.locale_choosing_listener.class">JMS\I18nRoutingBundle\EventListener\LocaleChoosingListener</parameter>
+        <parameter key="jms_i18n_routing.cookie_setting_listener.class">JMS\I18nRoutingBundle\EventListener\CookieSettingListener</parameter>
 
         <parameter key="jms_i18n_routing.route_translation_extractor.class">JMS\I18nRoutingBundle\Translation\RouteTranslationExtractor</parameter>
     </parameters>
@@ -42,6 +43,8 @@
             <argument type="service" id="jms_i18n_routing.locale_resolver" />
         </service>
 
+        <service id="jms_i18n_routing.cookie_setting_listener" class="%jms_i18n_routing.cookie_setting_listener.class%" public="false" />
+
         <service id="jms_i18n_routing.route_exclusion_strategy" class="%jms_i18n_routing.route_exclusion_strategy.class%" public="false" />
 
         <service id="jms_i18n_routing.pattern_generation_strategy.default" class="%jms_i18n_routing.pattern_generation_strategy.class%" public="false">

Tests/Functional/PrefixStrategyTest.php

@@ -42,4 +42,19 @@ public function getLocaleChoosingTests()
             array('fr;q=0.5', 'en'),
         );
     }
+
+    public function testLanguageCookieIsSet()
+    {
+        $client = $this->createClient(array('config' => 'strategy_prefix.yml'));
+        $client->insulate();
+
+        $client->request('GET', '/?hl=de');
+
+        $response = $client->getResponse();
+        $this->assertTrue($response->isRedirect('/de/'), (string) $response);
+
+        $cookies = $response->headers->getCookies();
+        $this->assertSame(2, count($cookies));
+        $this->assertSame('de', $cookies[0]->getValue());
+    }
 }