Remove the label if there is only one scope and no scope picking field is displayed.

src/Bundle/ChillMainBundle/Form/Type/ScopePickerType.php

@@ -16,6 +16,7 @@ use Chill\MainBundle\Entity\Scope;
 use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Form\DataMapper\ScopePickerDataMapper;
 use Chill\MainBundle\Security\Authorization\AuthorizationHelperInterface;
+use Chill\MainBundle\Security\Resolver\CenterResolverManagerInterface;
 use Chill\MainBundle\Templating\TranslatableStringHelperInterface;
 use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 use Symfony\Component\Form\AbstractType;
@@ -32,65 +33,84 @@ use Symfony\Component\Security\Core\Security;
  * Allow to pick amongst available scope for the current
  * user.
  *
- * options :
- *
- * - `center`: the center of the entity
- * - `role`  : the role of the user
+ * Options:
+ * - `role`: string, the role to check permissions for
+ * - Either `subject`: object, entity to resolve centers from
+ * - Or `center`: Center|array|null, the center(s) to check
  */
 class ScopePickerType extends AbstractType
 {
     public function __construct(
+        private readonly TranslatableStringHelperInterface $translatableStringHelper,
         private readonly AuthorizationHelperInterface $authorizationHelper,
         private readonly Security $security,
-        private readonly TranslatableStringHelperInterface $translatableStringHelper,
+        private readonly CenterResolverManagerInterface $centerResolverManager,
     ) {}
 
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
-        $items = array_values(
+        // Compute centers from subject
+        $centers = $options['center'] ?? null;
+        if (null === $centers && isset($options['subject'])) {
+            $centers = $this->centerResolverManager->resolveCenters($options['subject']);
+        }
+
+        if (null === $centers) {
+            throw new \RuntimeException('Either "center" or "subject" must be provided');
+        }
+
+        $reachableScopes = array_values(
             array_filter(
                 $this->authorizationHelper->getReachableScopes(
                     $this->security->getUser(),
                     $options['role'],
-                    $options['center']
+                    $centers
                 ),
                 static fn (Scope $s) => $s->isActive()
             )
         );
 
-        if (0 === \count($items)) {
-            throw new \RuntimeException('no scopes are reachable. This form should not be shown to user');
+        $builder->setAttribute('reachable_scopes_count', count($reachableScopes));
+
+        if (0 === count($reachableScopes)) {
+            $builder->setAttribute('has_scopes', false);
+
+            return;
         }
 
-        if (1 !== \count($items)) {
+        $builder->setAttribute('has_scopes', true);
+
+        if (1 !== count($reachableScopes)) {
             $builder->add('scope', EntityType::class, [
                 'class' => Scope::class,
                 'placeholder' => 'Choose the circle',
                 'choice_label' => fn (Scope $c) => $this->translatableStringHelper->localize($c->getName()),
-                'choices' => $items,
+                'choices' => $reachableScopes,
             ]);
             $builder->setDataMapper(new ScopePickerDataMapper());
         } else {
             $builder->add('scope', HiddenType::class, [
-                'data' => $items[0]->getId(),
+                'data' => $reachableScopes[0]->getId(),
             ]);
-            $builder->setDataMapper(new ScopePickerDataMapper($items[0]));
+            $builder->setDataMapper(new ScopePickerDataMapper($reachableScopes[0]));
         }
     }
 
     public function buildView(FormView $view, FormInterface $form, array $options)
     {
         $view->vars['fullWidth'] = true;
+        // display of label is handled by the EntityType
+        $view->vars['label'] = false;
     }
 
     public function configureOptions(OptionsResolver $resolver)
     {
         $resolver
-          // create `center` option
-            ->setRequired('center')
-            ->setAllowedTypes('center', [Center::class, 'array', 'null'])
-          // create ``role` option
             ->setRequired('role')
-            ->setAllowedTypes('role', ['string']);
+            ->setAllowedTypes('role', ['string'])
+            ->setDefined('subject')
+            ->setAllowedTypes('subject', ['object'])
+            ->setDefined('center')
+            ->setAllowedTypes('center', [Center::class, 'array', 'null']);
     }
 }