Add a link between accompanying period and user

It is now allowed to indicates who make/made the accompanying period.

This feature may be hidden by a specific configuration option. Default
to visible.

Form/AccompanyingPeriodType.php

@@ -11,11 +11,33 @@ use Symfony\Component\Form\FormView;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\Extension\Core\Type\TextareaType;
 use Symfony\Component\Form\Extension\Core\Type\DateType;
+use Chill\PersonBundle\Security\Authorization\PersonVoter;
+use Chill\MainBundle\Form\Type\UserPickerType;
+use Symfony\Component\Security\Core\Role\Role;
 
 use Chill\PersonBundle\Form\Type\ClosingMotiveType;
 
 class AccompanyingPeriodType extends AbstractType
 {
+    /**
+     * array of configuration for accompanying_periods.
+     *
+     * Contains whether we should add fields some optional fields (optional per
+     * instance)
+     *
+     * @var string[]
+     */
+    protected $config = array();
+
+    /**
+     *
+     * @param string[] $config configuration of visibility of some fields
+     */
+    public function __construct(array $config)
+    {
+        $this->config = $config;
+    }
+    
     /**
      * @param FormBuilderInterface $builder
      * @param array $options
@@ -53,6 +75,13 @@ class AccompanyingPeriodType extends AbstractType
                 $form->add('closingMotive', ClosingMotiveType::class);
             }
         });
+        
+        if ($this->config['user'] === 'visible') {
+            $builder->add('user', UserPickerType::class, [
+                'center' => $options['center'],
+                'role'   => new Role(PersonVoter::SEE),
+            ]);
+        }
 
         $builder->add('remark', TextareaType::class, array(
                 'required' => false
@@ -71,9 +100,12 @@ class AccompanyingPeriodType extends AbstractType
 
         $resolver
             ->setRequired(array('period_action'))
-            ->addAllowedTypes('period_action','string')
+            ->addAllowedTypes('period_action', 'string')
             ->addAllowedValues('period_action', array(
-                'update', 'open', 'close', 'create'));
+            'update', 'open', 'close', 'create'))
+            ->setRequired('center')
+            ->setAllowedTypes('center', \Chill\MainBundle\Entity\Center::class)
+            ;
     }
 
     public function buildView(FormView $view, FormInterface $form, array $options)