ldc-legaulois/database/seeders/Development/DemarcheSlideSeeder.php

<?php

namespace Database\Seeders\Development;

use App\Lib\Helpers\FileStorageHelper;
use App\Models\DemarcheSlide;
use Illuminate\Database\Seeder;

class DemarcheSlideSeeder extends Seeder
{
    /**
     * The name of the factory's corresponding model.
     *
     * @var string
     */
    protected $model = DemarcheSlide::class;

    /**
     * Run the database seeds.
     */
    public function run(): void
    {
        DemarcheSlide::factory(5)->make()->each(function (DemarcheSlide $demarcheSlide, int $key) {
            $demarcheSlide->picture = FileStorageHelper::storeFile(
                $demarcheSlide,
                new \SplFileInfo(\resource_path(
                    '../database/factories/assets/demarche_slides/default-picture-200x200.png'
                ))
            );
            $demarcheSlide->order   = $key + 1;
            $demarcheSlide->saveQuietly();
        });
    }
}