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

<?php

namespace Database\Seeders\Development;

use App\Lib\Helpers\FileStorageHelper;
use App\Models\Meat;
use App\Models\Submeat;
use Illuminate\Database\Seeder;

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

    /**
     * Run the database seeds.
     */
    public function run(): void
    {
        Meat::all()->map(function ($meatModel) {
            Submeat::factory(5)->make()->each(function (Submeat $submeat) use ($meatModel) {
                $submeat->meat()->associate($meatModel);
                $submeat->picture = FileStorageHelper::storeFile(
                    $submeat,
                    new \SplFileInfo(\resource_path(
                        '../database/factories/assets/submeats/default-picture-720x405.png'
                    ))
                );
                $submeat->saveQuietly();
            });
        });
    }
}