CaracoleBundle/Form/Reduction/EditGiftVoucherType.php

<?php

namespace Lc\CaracoleBundle\Form\Reduction;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\DateType;
use Symfony\Component\Form\Extension\Core\Type\EmailType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\OptionsResolver\OptionsResolver;

class EditGiftVoucherType extends AbstractType
{

        public function buildForm(FormBuilderInterface $builder, array $options)
        {
                $builder->add('activationDate', DateType::class, [
                        'label' => 'Date d\'activation de votre bon cadeau :',
                        'widget'=> 'single_text',
                        'help'=> 'Date à partir de laquelle la personne pourra utiliser ce bon cadeau.'
                ])
                ->add('title', TextType::class, [
                        'label' => 'Message personnalisé affiché dans le bon cadeau :',
                        'help'=> 'Exemple "Joyeux Noël Tata Suzanne !"'
                ])
                ->add('email', EmailType::class, [
                        'label' => 'Email de la personne à qui vous souhaitez offrir ce bon cadeau :',
                        'help'=> 'Le bon ne sera utilisable qu\'avec cet adresse e-mail'
                ])
                ->add('ownerName', TextType::class,[
                        'label' => 'Offert par :',
                        'help'=> 'Sera affiché dans le bon cadeau'
                ]);

            $builder->addEventListener(FormEvents::POST_SET_DATA, function (FormEvent $event) use ($options) {
                if (isset($options['reduction_gift']) && $options['reduction_gift']) {
                    $reductionGift = $options['reduction_gift'];
                    $form = $event->getForm();
                    if (!$form->isSubmitted()) {
                        if ($reductionGift->getActivationDate()) {
                            $form->get('activationDate')->setData($reductionGift->getActivationDate());
                        }
                        if ($reductionGift->getUsers()->count()) {
                            $form->get('email')->setData($reductionGift->getUsers()[0]->getEmail());
                        }
                        if ($reductionGift->getOwnerName()) {
                            $form->get('ownerName')->setData($reductionGift->getOwnerName());
                        }
                        $form->get('title')->setData($reductionGift->getTitle());
                    }
                }
            });
        }

        public function configureOptions(OptionsResolver $resolver)
        {
                $resolver->setDefaults([
                        'reduction_gift' => null
                ]);
        }
}