ImageType.php

<?php

namespace App\Form;

use App\Entity\Image;
use App\Entity\Auteur;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\Form\Extension\Core\Type\SubmitType; 
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\Extension\Core\Type\FileType; 
use Symfony\Component\Validator\Constraints\File; 
use Symfony\Bridge\Doctrine\Form\Type\EntityType;

class ImageType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options): void
    {
        $builder
            ->add('titre', TextType::class)
            
            ->add('auteur', EntityType::class, [
                'class' => Auteur::class,
                'choice_label' => 'nom',
                'label' => 'Auteur de la photo',
                'placeholder' => 'Choisir un auteur',
            ])

            ->add('date', null, [
                'widget' => 'single_text',
            ])
            
            ->add('fichier', FileType::class, [
                'label' => 'Image (Fichier JPG/PNG)',
                'mapped' => false, 
                'required' => true,
                'constraints' => [
                    new File([
                        'maxSize' => '2048k',
                        'mimeTypes' => [
                            'image/jpeg',
                            'image/png',
                            'image/webp',
                        ],
                        'mimeTypesMessage' => 'Merci d\'uploader une image valide',
                    ])
                ],
            ])
            ->add('save', SubmitType::class, ['label' => 'Envoyer image'])
        ;
    }

    public function configureOptions(OptionsResolver $resolver): void
    {
        $resolver->setDefaults([
            'data_class' => Image::class,
        ]);
    }
}