adapt filters to new interface + add message for nationality filter

Export/Filter/GenderFilter.php

@@ -84,4 +84,9 @@ class GenderFilter implements FilterInterface
     {
         return NULL;
     }
+    
+    public function describeAction($data, $format = 'string')
+    {
+        
+    }
 }

Export/Filter/NationalityFilter.php

@@ -23,7 +23,9 @@ use Symfony\Component\Form\FormBuilderInterface;
 use Doctrine\ORM\QueryBuilder;
 use Chill\MainBundle\Export\FilterInterface;
 use Doctrine\ORM\Query\Expr;
-use Symfony\Component\Security\Core\Role\Role;
+use Chill\MainBundle\Templating\TranslatableStringHelper;
+use Doctrine\ORM\EntityRepository;
+use Chill\MainBundle\Entity\Country;
 
 /**
  * 
@@ -32,6 +34,17 @@ use Symfony\Component\Security\Core\Role\Role;
  */
 class NationalityFilter implements FilterInterface
 {
+    /**
+     *
+     * @var TranslatableStringHelper
+     */
+    private $translatableStringHelper;
+    
+    public function __construct(TranslatableStringHelper $helper) 
+    {
+        $this->translatableStringHelper = $helper;
+    }
+    
     public function applyOn()
     {
         return 'person';
@@ -69,4 +82,18 @@ class NationalityFilter implements FilterInterface
     {
         return NULL;
     }
+    
+    public function describeAction($data, $format = 'string')
+    {
+        $countries = $data['nationalities'];
+        
+        $names = array_map(function(Country $c) {
+            return $this->translatableStringHelper->localize($c->getName());
+        }, array($countries));
+        
+        return array(
+            "Filtered by nationality : %nationalities%", 
+            array('%nationalities%' => implode(", ", $names))
+            );
+    }
 }