Add HidenEntity field type

diff --git a/Form/Extension/Type/HiddenEntityType.php b/Form/Extension/Type/HiddenEntityType.php
new file mode 100644 (file)
index 0000000..3e85cc6
--- /dev/null
+++ b/Form/Extension/Type/HiddenEntityType.php
@@ -0,0 +1,113 @@
+<?php
+
+namespace Rapsys\AirBundle\Form\Extension\Type;
+
+use Doctrine\Persistence\ManagerRegistry;
+use Symfony\Component\Form\DataTransformerInterface;
+use Symfony\Component\Form\Exception\TransformationFailedException;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\Options;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * Hidden Entity Type class definition
+ *
+ * @see https://symfony.com/doc/current/form/create_custom_field_type.html
+ */
+class HiddenEntityType extends HiddenType implements DataTransformerInterface {
+       /**
+        * @var ManagerRegistry $dm
+        */
+       private $dm;
+
+       /**
+        * @var string $class
+        */
+       private $class;
+
+       /**
+        * Constructor
+        *
+        * @param ManagerRegistry $doctrine
+        */
+       public function __construct(ManagerRegistry $doctrine) {
+               $this->dm = $doctrine;
+       }
+
+    /**
+        * Configure options
+        *
+     * {@inheritdoc}
+     */
+    public function configureOptions(OptionsResolver $resolver) {
+               //Call parent
+        parent::configureOptions($resolver);
+
+        // Derive "data_class" option from passed "data" object
+        $class = function (Options $options) {
+            return isset($options['data']) && \is_object($options['data']) ? \get_class($options['data']) : null;
+        };
+
+        $resolver->setDefaults([
+            'class' => $class
+               ]);
+       }
+
+
+       /**
+        * Build form
+        *
+        * {@inheritdoc}
+        */
+       public function buildForm(FormBuilderInterface $builder, array $options): void {
+               #$this->entityClass = sprintf('App\Entity\%s', ucfirst($builder->getName()));
+               #var_dump($builder->getName());
+               #$this->entityClass = sprintf('App\Entity\%s', ucfirst($builder->getName()));
+               //$this->dataClass[$builder->getName()] = $options['data_class'];
+
+               //Set class from options['class']
+               $this->class = $options['class'];
+
+               //Check class
+               if (empty($this->class)) {
+                       //Set class from namespace and field name
+                       $this->class = str_replace('Form\\Extension\\Type', 'Entity\\' ,__NAMESPACE__).ucfirst($builder->getName());
+               }
+
+               //Set this as model transformer
+               //XXX: clone the model transformer to allow multiple hiddenentitytype field with different class
+               $builder->addModelTransformer(clone $this);
+       }
+
+       public function transform($data): string {
+               // Modified from comments to use instanceof so that base classes or interfaces can be specified
+               if ($data === null || !$data instanceof $this->class) {
+                       return '';
+               }
+
+               $res = $data->getId();
+
+               return $res;
+       }
+
+       public function reverseTransform($data) {
+               if (!$data) {
+                       return null;
+               }
+
+               $res = null;
+               try {
+                       $rep = $this->dm->getRepository($this->class);
+                       $res = $rep->findOneById($data);
+               } catch (\Exception $e) {
+                       throw new TransformationFailedException($e->getMessage());
+               }
+
+               if ($res === null) {
+                       throw new TransformationFailedException(sprintf('A %s with id "%s" does not exist!', $this->class, $data));
+               }
+
+               return $res;
+       }
+}