vendor/roothirsch/core-bundle/Behaviors/Attributable/EventSubscriber/AttributeInjectorEventSubscriber.php line 68

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  1. <?php
  4. namespace Roothirsch\CoreBundle\Behaviors\Attributable\EventSubscriber;
  7. use ApiPlatform\Core\Security\ExpressionLanguage;
  8. use Doctrine\ORM\EntityRepository;
  9. use Roothirsch\CoreBundle\Behaviors\Attributable\Form\PreProcessAttributeInterface;
  10. use Roothirsch\CoreBundle\Behaviors\Attributable\MappedSuperclass\AbstractAttributable;
  11. use Roothirsch\CoreBundle\Behaviors\Attributable\MappedSuperclass\AbstractAttribute;
  12. use Roothirsch\CoreBundle\Behaviors\Attributable\MappedSuperclass\AbstractAttributeValue;
  13. use Roothirsch\CoreBundle\Behaviors\Attributable\Service\AttributeTypesService;
  14. use Roothirsch\CoreBundle\Behaviors\Attributable\Type\AttributeTypeInterface;
  15. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  16. use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
  17. use Symfony\Component\Form\FormEvent;
  18. use Symfony\Component\Form\FormEvents;
  19. use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage;
  20. use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
  22. class AttributeInjectorEventSubscriber implements EventSubscriberInterface
  23. {
  25.     /** @var AbstractAttributable  */
  26.     private $attributable = null;
  28.     /** @var EntityRepository  */
  29.     private $repository = null;
  31.     /**
  32.      * @var AttributeTypesService
  33.      */
  34.     private $attributeTypes;
  36.     /**
  37.      * @var TokenStorageInterface
  38.      */
  39.     private $tokenStorage;
  41.     /**
  42.      * AttributeInjectorEventSubscriber constructor.
  43.      * @param AttributeTypesService|null $attributeTypes
  44.      */
  45.     public function __construct(?AttributeTypesService $attributeTypes, TokenStorageInterface $tokenStorage)
  46.     {
  47.         $this->attributeTypes = $attributeTypes;
  48.         $this->tokenStorage = $tokenStorage;
  49.     }
  51.     public function setAttributable(AbstractAttributable $attributable): self{
  52.         $this->attributable = $attributable;
  53.         return $this;
  54.     }
  56.     public function setRepository(EntityRepository $repository): self{
  57.         $this->repository = $repository;
  58.         return $this;
  59.     }
  61.     public static function getSubscribedEvents()
  62.     {
  63.         return [
  64.             FormEvents::PRE_SET_DATA => "buildForm"
  65.         ];
  66.     }
  68.     public function buildForm(FormEvent $event){
  69.         /** @var Form $form */
  70.         $form = $event->getForm();
  71.         if(count($this->attributable->attributes()) === 0){
  72.             $attributes = $this->repository->findBy([], ['position' => 'ASC']);
  73.             $this->attributable->setAttributes($attributes);
  74.         }
  75.         foreach ($this->attributable->attributes() as $attribute) {
  76.             $attributeType = $this->attributeTypes->findByAttribute($attribute);
  77.             /** @var AbstractAttribute $attribute */
  78.             $options = [
  79.                 'label' => $attribute,
  80.                 'required' => $attribute->getRequired(),
  81.                 'help' => $attribute->getHelp(),
  82.             ];
  83.             if($attributeType){
  84.                 $attributeType->preAdd($attribute, $options);
  85.             }
  86.             $this->resolveDefaultValue($options, $attribute);
  87.             $form->add(
  88.                 $attribute->getName(),
  89.                 $this->attributeTypes->resolveFormType($attribute),
  90.                 $options
  91.             );
  92.             if($attributeType){
  93.                 $attributeType->postAdd($form, $attribute);
  94.             }
  95.         }
  96.     }
  98.     private function resolveDefaultValue($options, AbstractAttribute $attribute){
  99.         /** @var AbstractAttributeValue $value */
  100.         $value = $this->attributable->getAttributeValue($attribute);
  101.         $hasDefaultValueAndIsEmpty = $attribute->getDefaultValue() && $value->getValue() === NULL;
  102.         if ($hasDefaultValueAndIsEmpty) {
  103.             $defaultValue = $attribute->getDefaultValue();
  104.             try {
  105.                 $e = new ExpressionLanguage();
  106.                 $defaultValue = $e->evaluate($attribute->getDefaultValue(), array_merge(
  107.                     ['user' => $this->tokenStorage->getToken()->getUser()],
  108.                     $value->resolveExpression()
  109.                 ));
  110.             } catch (\Exception $exception){}
  111.             $value->setValue($defaultValue);
  112.         }
  113.     }
  114. }