small refactorisations

src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/AgeAggregator.php

@@ -16,6 +16,7 @@ use Chill\MainBundle\Export\ExportElementValidatedInterface;
 use DateTime;
 use Doctrine\ORM\QueryBuilder;
 use Symfony\Component\Form\Extension\Core\Type\DateType;
+use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Validator\Context\ExecutionContextInterface;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
@@ -45,7 +46,7 @@ final class AgeAggregator implements AggregatorInterface, ExportElementValidated
         return 'person';
     }
 
-    public function buildForm(\Symfony\Component\Form\FormBuilderInterface $builder)
+    public function buildForm(FormBuilderInterface $builder)
     {
         $builder->add('date_age_calculation', DateType::class, [
             'label' => 'Calculate age in relation to this date',

src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/CountryOfBirthAggregator.php

@@ -16,6 +16,7 @@ use Chill\MainBundle\Export\ExportElementValidatedInterface;
 use Chill\MainBundle\Repository\CountryRepository;
 use Chill\MainBundle\Templating\TranslatableStringHelper;
 use Chill\MainBundle\Util\CountriesInfo;
+use Doctrine\ORM\Query;
 use Doctrine\ORM\QueryBuilder;
 use LogicException;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
@@ -122,7 +123,7 @@ final class CountryOfBirthAggregator implements AggregatorInterface, ExportEleme
                 ->andWhere($qb->expr()->in('c.countryCode', ':countries'))
                 ->setParameter('countries', $values)
                 ->getQuery()
-                ->getResult(\Doctrine\ORM\Query::HYDRATE_SCALAR);
+                ->getResult(Query::HYDRATE_SCALAR);
 
             // initialize array and add blank key for null values
             $labels = [

src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/AgeFilter.php

@@ -81,7 +81,11 @@ class AgeFilter implements ExportElementValidatedInterface, FilterInterface
 
     public function describeAction($data, $format = 'string')
     {
-        return ['Filtered by person\'s age'];
+        return ['Filtered by person\'s age: '
+        . 'between %min_age% and %max_age%', [
+            '%min_age%' => $data['min_age'],
+            '%max_age%' => $data['max_age'],
+        ], ];
     }
 
     public function getTitle()